Explosion Proof Refrigerator
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| Brand | ChemTron |
|---|---|
| Origin | Germany |
| Model | KRC540 |
| Instrument Type | Upright |
| Capacity | 540 L |
| Operating Temperature Range | −2 °C to +12 °C |
| Temperature Stability | ±1 °C |
| Display Resolution | 0.1 °C |
| Refrigeration System | Compressor-based |
| Refrigerant | R134a |
| Control Type | Digital LED Controller |
| External Dimensions (W×L×H) | 92 × 71 × 153 cm |
| Internal Dimensions (W×L×H) | 70 × 60 × 135 cm |
| Safety Features | Intrinsically Safe Internal Cavity, Externally Mounted Control Circuitry, Door Lock, Overload-Protected Compressor, Self-Test Function for Alarm Verification |
| Optional Accessories | ATEX-certified compact bottle-top dispenser, explosion-proof digital probe thermometer with data logging capability |
| Brand | Dueperthal |
|---|---|
| Origin | Germany |
| Type | Undercounter (Horizontal) |
| Certification | ATEX Directive 2014/34/EU, IECEx, DIN EN 60079-1 & 60079-15, CE, GS, ISO 9001 |
| Construction | Cold-rolled steel housing with epoxy-polyester powder coating, stainless steel interior |
| Temperature Range | -20 °C to +8 °C (adjustable in 1 °C increments) |
| Safety Classification | Class I, Division 1, Groups C & D (US NEC), Zone 1 (IEC/ATEX) |
| Internal Volume | 120–320 L (model-dependent) |
| Door Configuration | Front-access single or dual door, optional lockable handles and key-lock system |
| Shelving | Adjustable galvanized steel shelves or pull-out stainless steel drawers |
| Compressor | Hermetically sealed, non-sparking, intrinsically safe refrigeration unit with R290 (propane) refrigerant |
| Electrical | 230 V AC, 50 Hz, IP54-rated junction box |
| Brand | Dueperthal |
|---|---|
| Origin | Germany |
| Type | Upright Explosion-Proof Refrigerator |
| Certification | ATEX Directive 2014/34/EU, IECEx, DIN EN 60079-1 & 60079-7, CE, GS, ISO 9001 |
| Construction | Double-walled steel cabinet with reinforced door, intrinsically safe components, spark-proof interior fittings, explosion-resistant shelving system |
| Temperature Range | +2 °C to +8 °C (refrigeration only) |
| Compliance | Suitable for Zone 1 and Zone 2 hazardous areas (Group IIA, IIB, IIC |
| Material | Cold-rolled steel housing with epoxy-polyester powder coating |
| Door Configuration | Self-closing, double-sealed, magnetic gasket, mechanical lock with key override |
| Safety Features | External temperature monitoring port, internal LED lighting with explosion-proof housing, non-sparking evaporator fan, flame-retardant insulation, automatic door alarm, optional data logger interface |
| Brand | Duling |
|---|---|
| Origin | Anhui, China |
| Model | MPC-5V416EX |
| Type | Upright |
| Capacity | 416 L |
| Net Weight | 150 kg |
| Climate Class | SN/N |
| Cooling Method | Forced Air (Fan-Cooled) |
| Operating Temperature Range | 2–8 °C |
| Energy Consumption | 2.94 kWh/24h |
| Brand | JULABO |
|---|---|
| Origin | Germany |
| Model | KRC180 |
| Type | Upright |
| Capacity | 180 L |
| Operating Temperature Range | –2 °C to +12 °C |
| Temperature Stability | ±1.0 °C |
| Display | 7-segment green LED, 0.1 °C resolution |
| Sensor | PTC |
| Overtemperature Protection | 105 °C |
| External Dimensions (W×D×H) | 60 × 64 × 86 cm |
| Internal Dimensions (W×D×H) | 52 × 40 × 70 cm |
| Net Weight | 35 kg |
| Ambient Operating Temperature | 0–35 °C |
| Power Supply | 230 V / 50 Hz |
| Safety Classification | DIN 12876-1 compliant |
| Brand | JULABO |
|---|---|
| Origin | Germany |
| Model | KRC50 |
| Type | Upright |
| Capacity | 50 L |
| Operating Temperature Range | −2 °C to +12 °C |
| Temperature Stability | ±1.0 °C |
| Display | 7-segment green LED, 0.1 °C resolution |
| Temperature Sensor | PTC |
| Overtemperature Protection | 105 °C |
| External Dimensions (W×D×H) | 53 × 63 × 54 cm |
| Internal Dimensions (W×D×H) | 42 × 31 × 39 cm |
| Net Weight | 23 kg |
| Ambient Operating Temperature | 0–35 °C |
| Power Supply | 230 V / 50 Hz |
| Safety Classification | DIN 12876-1 compliant |
| Brand | KIRSCH |
|---|---|
| Origin | Germany |
| Model | LABEX-125 |
| Type | Upright |
| Capacity | 120 L |
| Operating Temperature Range | 2–20 °C |
| Explosion Protection Class | Ex II 3G T6 |
| Insulation Thickness | 50 mm |
| Door Configuration | Reversible Left/Right Swing |
| Interface | RS485 |
| Alarm | Audible & Visual, Remote Alarm Output |
| Defrost System | Automatic with Safety Sensor |
| Cooling System | Forced-Air Circulation with Removable Condenser |
| Control | Membrane Keypad with Digital Display, Min/Max Temperature Memory, Panel Lock Function |
| Interior | White Impact-Resistant Plastic with Embedded Shelf Rails |
| Shelving | Two Coated Plastic Shelves + One Drawer with Adjustable Longitudinal and Six Transverse Dividers |
| Exterior | White Powder-Coated Galvanized Steel |
| Sealing | Replaceable Magnetic Gasket |
| Brand | Liebherr |
|---|---|
| Origin | Austria |
| Model | LCexv 4010 |
| Cabinet Type | Upright |
| Total Volume | 254 L (Refrigerator Compartment) / 107 L (Freezer Compartment) |
| External Dimensions (W×D×H) | 600 × 615 × 2000 mm |
| Energy Consumption | ≤1.5 kWh/24h |
| Operating Temperature Range | +3 °C to +16 °C (Refrigerator) / −11 °C to −30 °C (Freezer) |
| Temperature Control Accuracy | ±0.1 °C |
| Certification | ATEX 95 (2014/34/EU), Category 3G/3D, Zone 2/22 |
| Climate Class | SN-ST (Ambient Range: +10 °C to +38 °C) |
| Refrigerant | R600a |
| Noise Level | ≤42 dB(A) |
| Interface | RS485 (supports centralized monitoring of up to 20 units), Dry Contact Alarm Outputs, Optional PT100 External Probe Input |
| Brand | Liebherr |
|---|---|
| Origin | Austria |
| Model | LGex 3410 |
| Type | Upright |
| Volume | 310 L |
| Temperature Range | –9 °C to –30 °C |
| Dimensions (W×D×H) | 600 × 615 × 1840 mm |
| Energy Consumption | 1.309 kWh/24h |
| ATEX Certification | Compliant with Directive 2014/34/EU (ATEX 95) |
| Climate Class | SN-ST (10 °C to 38 °C ambient) |
| Control Precision | ±0.1 °C |
| Refrigerant | R600a |
| Defrost Type | Manual |
| Noise Level | Low (exact dB value not specified) |
| Remote Monitoring | RS485 interface, dry-contact alarm outputs, optional external PT100 sensor support |
| Brand | Liebherr |
|---|---|
| Origin | Germany |
| Model | LGex 3410 |
| Type | Upright |
| Volume | 310 L |
| Operating Temperature Range | −9 °C to −30 °C |
| Cooling System | Static (Natural Convection) |
| Defrosting | Manual |
| Insulation Thickness | 70–70 mm |
| Refrigerant | R600a |
| Climate Class | SN-ST |
| Power Consumption | 1.309 kWh/24h |
| Dimensions (W×D×H) | 600 × 615 × 1840 mm |
| Door | Reversible, Double-Glazed, Self-Closing, Lockable |
| Interior | Plastic Liner with Adjustable Glass Shelves (440 × 420 mm), 8 Drawers |
| Safety Features | Visual & Audible Alarm, Voltage Loss Contact, Grounded Metal Components, Spark-Free Interior Construction |
| Brand | Liebherr |
|---|---|
| Origin | Austria |
| Model | LGUex 1500 |
| Type | Upright |
| Volume | 139 L |
| Operating Temperature Range | −9 °C to −26 °C |
| Energy Consumption | 0.926 kWh/24h |
| External Dimensions (W×D×H) | 600 × 615 × 820 mm |
| Climate Class | SN-ST (10 °C to 38 °C ambient) |
| Refrigerant | R600a |
| Temperature Control Accuracy | ±0.1 °C |
| ATEX Certification | Compliant with Directive 2014/34/EU (ATEX 95) |
| Alarm Functions | Temperature deviation, door open, sensor fault, power failure |
| Data Logging | Last 3 alarm events stored locally |
| Defrosting | Manual |
| Noise Level | Ultra-low sound power |
| Door | Reversible hinge |
| Shelf Load Capacity | Glass shelf (refrigerated zone) ≤ 40 kg |
| Locking Mechanism | High-security mechanical lock |
| Construction | Stainless steel interior & exterior panels |
| Brand | Liebherr |
|---|---|
| Origin | Austria |
| Model | LKexv 1800 |
| Type | Upright |
| Capacity | 180 L |
| Temperature Range | +1 °C to +15 °C |
| Dimensions (W×D×H) | 600 × 600 × 860 mm |
| Daily Energy Consumption | ≤ 0.898 kWh |
| ATEX Certification | Compliant with Directive 2014/34/EU (ATEX 95) |
| Climate Class | SN-ST (ambient operating range: 10 °C to 38 °C) |
| Control Precision | ±0.1 °C |
| Alarm Functions | Temperature deviation, door open, power failure, sensor fault |
| External Sensor Support | PT100 input |
| Refrigerant | R600a |
| Noise Level | Low-noise operation |
| Door Hinge | Reversible |
| Shelf Load Capacity | Glass shelf up to 40 kg, plastic drawer up to 24 kg |
| Brand | Liebherr |
|---|---|
| Origin | Austria |
| Model | LKexv 2600 |
| Type | Upright |
| Capacity | 240 L |
| Temperature Range | +1 °C to +15 °C |
| Energy Consumption (24 h) | 0.786 kWh |
| Dimensions (W×D×H) | 600 × 600 × 1250 mm |
| Climate Class | SN-ST (10–38 °C ambient) |
| Temperature Control Accuracy | ±0.1 °C |
| ATEX Certification | Directive 2014/34/EU (ATEX 95) |
| Refrigerant | R600a |
| Noise Level | Low acoustic power output |
| Door | Reversible hinge |
| Shelf Load Capacity | 40 kg (glass), 24 kg (plastic drawer) |
| Alarm Functions | Temperature deviation, door open, power failure, sensor fault |
| Data Logging | Last 3 alarm events stored |
| Optional External Sensor | PT100 probe compatible |
| Defrost System | Automatic, spark-free design |
| Brand | Liebherr |
|---|---|
| Origin | Austria |
| Model | LKexv 3600 |
| Type | Upright |
| Capacity | 333 L |
| Operating Temperature Range | +1 °C to +15 °C |
| Energy Consumption (24 h) | 0.947 kWh |
| ATEX Certification | Compliant with Directive 2014/34/EU (ATEX 95) |
| Climate Class | SN-ST (Ambient Range: 10 °C to 38 °C) |
| Temperature Control Accuracy | ±0.1 °C |
| Alarm Functions | Temperature deviation, door open, power failure, sensor fault |
| Data Logging | Last 3 alarm events stored internally |
| Optional External Sensor | PT100 probe compatible |
| Defrost System | Automatic, spark-free design |
| Refrigerant | R600a (GWP = 10, ozone-friendly) |
| Noise Level | ≤42 dB(A) |
| Shelf Load Capacity | Glass shelf — 40 kg |
| Door Hinge | Reversible |
| Locking Mechanism | High-security mechanical lock |
| Compliance | EN 60079-1, EN 60079-15, IEC 60079-0 |
| Brand | Liebherr |
|---|---|
| Origin | Germany |
| Model | LKexv 3910 |
| Type | Upright |
| Capacity | 360 L |
| Temperature Range | +3 °C to +16 °C |
| Dimensions (W×D×H) | 600 × 615 × 1840 mm |
| Energy Consumption | 0.865 kWh/24h |
| ATEX Certification | Compliant with Directive 2014/34/EU (ATEX 95) |
| Climate Class | SN-ST (10–38 °C ambient) |
| Control Precision | ±0.1 °C |
| Alarm Functions | Temperature deviation, door open, sensor fault, power failure |
| Communication Interface | RS485 (supports centralized monitoring of up to 20 units) |
| Refrigerant | R600a |
| Noise Level | Low-noise operation |
| Door | Reversible hinge |
| Shelving | Tempered glass shelves (max. load 40 kg), plastic drawers (max. load 24 kg) |
| Safety | Spark-free construction, automatic defrost, lockable door |
| Brand | Liebherr |
|---|---|
| Origin | Germany |
| Model | LKexv 5400 |
| Type | Upright |
| Total Volume | 554 L |
| Operating Temperature Range | +1 °C to +15 °C |
| External Dimensions (W×D×H) | 750 × 730 × 1640 mm |
| Energy Consumption | 0.983 kWh/24h |
| Climate Class | SN-T |
| Refrigerant | R600a |
| Control System | Mechanical |
| Temperature Display | External Digital |
| Shelving | 5 Adjustable Glass Shelves (440 × 425 mm) |
| Cabinet Material | Powder-Coated Steel (White) |
| Interior Liner | Plastic |
| Door Handle | Ergonomic Thin-Profile Locking Handle |
| Door Hinge | Reversible |
| Condensate Collection Pan | Integrated ATEX-Compliant Pan |
| Certification | ATEX II 2G Ex nA IIC T6 Gc (Electrosuisse Certified) |
| Brand | Liebherr |
|---|---|
| Origin | Austria |
| Model | LKEXV5400 |
| Type | Upright |
| Capacity | 554 L |
| Temperature Range | +1 °C to +15 °C |
| Dimensions (W×D×H) | 750 × 730 × 1640 mm |
| Energy Consumption | 0.983 kWh/24h |
| Certification | ATEX 95 compliant |
| Climate Class | SN-ST (10–38 °C ambient) |
| Control Precision | ±0.1 °C |
| Defrost Type | Automatic |
| Refrigerant | R600a |
| Noise Level | Low |
| Door Hinge | Reversible |
| Shelf Load Capacity | 40 kg (glass), 24 kg (plastic drawer) |
| Alarm Functions | Temperature deviation, door ajar, power failure, sensor fault |
| Data Logging | Last 3 alarm events stored internally |
| Optional Input | External PT100 temperature probe |
| Brand | Liebherr |
|---|---|
| Origin | Austria |
| Model | LKUexv 1610 |
| Type | Upright |
| Capacity | 141 L |
| Temperature Range | +3 °C to +16 °C |
| Dimensions (W×D×H) | 600 × 615 × 820 mm |
| Energy Consumption | 0.863 kWh/24h |
| ATEX Certification | Compliant with Directive 2014/34/EU (ATEX 95) |
| Control Precision | ±0.1 °C |
| Alarm Functions | Temperature deviation, door open, sensor fault, power failure |
| Data Interface | RS485 (supports up to 20 units), dry contact output, optional external PT100 probe |
| Defrosting | Automatic, spark-free design |
| Refrigerant | R600a |
| Climate Class | SN-ST (ambient 10–38 °C) |
| Noise Level | ≤42 dB(A) |
| Shelf Load Capacity | Glass shelf up to 40 kg, plastic drawer up to 24 kg |
| Locking | High-security mechanical lock |
| Ergonomic Handle | Stainless steel, slim-profile |
| Brand | Liebherr |
|---|---|
| Country of Origin | Austria |
| Model | SCFfg 4002 |
| Configuration | Upright |
| Total Volume | Refrigerated Compartment: 267 L (net: 199 L) |
| Frozen Compartment | 110 L (net: 62 L) |
| Operating Temperature Range | +3 °C to +16 °C (refrigerated) |
| Annual Energy Consumption | 390 kWh/365 days |
| Cooling System | Direct-cooling |
| Refrigerant | R600a |
| Control Interface | Monochrome display with capacitive touch buttons |
| Noise Level | 48 dB(A) |
| Power Supply | 220–240 V~, 50 Hz |
| Ambient Temperature Range | +10 °C to +35 °C |
| Thermal Output | 350 kJ/h |
| Internal Classification | II 3 G Ex ec IIC T6, Zone 22 per ATEX Directive 2014/34/EU |
| Compliance | EN 1127-1, IEC 60079-0, IEC 60079-15, IEC 61010-2-011, CE |
| Brand | Liebherr |
|---|---|
| Country of Origin | Austria |
| Model | SFFfg 4001 |
| Type | Upright |
| Total/Net Volume | 316 / 242 L |
| Operating Temperature Range | −9 °C to −30 °C |
| Annual Energy Consumption | 384 kWh/365 days |
| Refrigeration System | Direct Cool |
| Refrigerant | R 290 |
| Control Interface | Monochrome Display with Touch Buttons |
| ATEX Certification | II 3G Ex ec IIC T6, Zone 22 |
| Compliance | EN 1127-1, IEC 60079-0, IEC 60079-15, IEC 61010-2-011, 2014/34/EU |
| Temperature Stability | ±5 °C |
| External Dimensions (W×D×H) | 597 × 654 × 1884 mm |
| Internal Dimensions (W×D×H) | 403 × 402 × 1588 mm |
| Noise Level | 49 dB(A) |
| Power Supply | 220–240 V~, 50 Hz |
| Shelf Capacity | 5 adjustable glass shelves (400 × 402 mm), 40 kg per shelf |
| Max. Unit Load | 270 kg |
| Ambient Temperature Range | +10 °C to +35 °C |
| Heat Output | 529 kJ/h |
| Brand | Liebherr |
|---|---|
| Origin | Austria |
| Model | SFFfg 5501 |
| Type | Upright |
| Total/Net Volume | 499 / 394 L |
| Operating Temperature Range | −9 °C to −30 °C |
| Annual Energy Consumption | 516 kWh/year |
| Refrigeration System | Direct Cool |
| Refrigerant | R290 |
| Control Interface | Monochrome Display with Touch Buttons |
| Temperature Stability | ±5 °C |
| External Dimensions (W×D×H) | 747 × 769 × 1684 mm |
| Internal Dimensions (W×D×H) | 588 × 517 × 1388 mm |
| Noise Level | 49 dB(A) |
| Power Supply | 220–240 V~, 50 Hz |
| Compliance | ATEX Directive 2014/34/EU, EN 1127-1, IEC 60079-0, IEC 60079-15, IEC 60079-7, IEC 61010-2-011, Class II 3G Ex ec IIC T6 (Zone 22) |
| Brand | Liebherr |
|---|---|
| Country of Origin | Austria |
| Model | SRFfg 3501 |
| Instrument Type | Upright |
| Total/Net Volume | 344 / 261 L |
| Operating Temperature Range | +3 °C to +16 °C |
| Energy Consumption | 406 kWh/365 days |
| Cooling System | Fan-Cooled |
| Refrigerant | R 600a |
| Control Interface | Monochrome Display with Touch Buttons |
| Temperature Stability | ±3 °C |
| Ambient Temperature Range | +10 °C to +35 °C |
| Noise Level | 49 dB(A) |
| Voltage/Frequency | 220–240 V~, 50 Hz |
| Cabinet Material | Steel, White Finish |
| Door Material | Steel |
| Adjustable Shelves | 4 (Glass), Load Capacity per Shelf: 40 kg |
| Total Unit Load Capacity | 180 kg |
| Power Failure Alarm | Visual & Audible Alert on Recovery |
| Optional Connectivity | WiFi/LAN Interface |
| Compliance | ATEX 2014/34/EU, EN 1127-1, IEC 60079-0, IEC 60079-15, IEC 61010-2-011 |
| Brand | Liebherr |
|---|---|
| Country of Origin | Austria |
| Model | SRFfg 4001 |
| Type | Upright |
| Total/Net Capacity | 394 / 298 L |
| Operating Temperature Range | +3 °C to +16 °C |
| Energy Consumption | 421 kWh/365 days |
| Cooling System | Fan-cooled |
| Refrigerant | R 600a |
| Control Interface | Monochrome Display with Touch Buttons |
| Temperature Stability | ±3 °C |
| Ambient Temperature Range | +10 °C to +35 °C |
| Noise Level | 49 dB(A) |
| Voltage/Frequency | 220–240 V~, 50 Hz |
| Door Material | Steel |
| Cabinet Finish | White Steel |
| Adjustable Shelves | 5 (Glass) |
| Shelf Load Capacity | 40 kg per shelf |
| Unit Weight Capacity | 225 kg |
| Compliance | ATEX 2014/34/EU, EN 1127-1, IEC 60079-0, IEC 60079-15, IEC 61010-2-011 |
| Brand | Liebherr |
|---|---|
| Country of Origin | Austria |
| Model | SRFfg 5501 |
| Instrument Type | Upright |
| Total Volume / Net Volume | 558 L / 441 L |
| Operating Temperature Range | +3 °C to +16 °C |
| Energy Consumption | 399 kWh/365 days |
| Cooling System | Fan-Cooled |
| Refrigerant | R600a |
| Control Interface | Monochrome Display with Touch Buttons |
| Temperature Stability | ±3 °C |
| Ambient Temperature Range | +10 °C to +35 °C |
| Noise Level | 49 dB(A) |
| Voltage/Frequency | 220–240 V~, 50 Hz |
| Cabinet Material | Steel, White Finish |
| Door Material | Steel |
| Adjustable Shelves | 5 (Glass) |
| Shelf Load Capacity | 40 kg per shelf |
| Unit Max Load Capacity | 300 kg |
| Compliance | ATEX 2014/34/EU, EN 1127-1, IEC 60079-0, IEC 60079-15, IEC 61010-2-011 |
| Brand | Liebherr |
|---|---|
| Origin | Austria |
| Manufacturer Type | Manufacturer |
| Origin Category | Imported |
| Model | SRFfg 5501 |
| Instrument Type | Upright |
| Total/Net Volume | 558 / 441 L |
| Operating Temperature Range | +3 °C to +16 °C |
| Refrigerant | R600a |
| External Dimensions (W/D/H) | 747 × 769 × 1684 mm |
| Internal Dimensions (W/D/H) | 600 × 537 × 1460 mm |
| Annual Energy Consumption (365 days) | 1399 kWh |
| Ambient Temperature Range | +10 °C to +35 °C |
| Heat Output | 408 kJ/h |
| Noise Level | 49 dB(A) |
| Voltage/Frequency | 220–240 V~, 50 Hz |
| Input Current | 2.0 A |
| Rated Power | 145 W |
| Cooling System/Defrosting | Forced Air / Automatic |
| Temperature Gradient | 3.7 °C |
| Temperature Fluctuation | ±3.0 °C |
| Cabinet Surface Material | Steel, White Finish |
| Door Material | Steel |
| Interior Liner | Commercial-grade molded polystyrene |
| Control Interface | Monochrome display with touch buttons |
| Power Failure Alarm | Visual & audible alarm on power restoration |
| SmartMonitoring Compatibility | Yes, via optional SmartModule |
| Connectivity Options | Optional WiFi/LAN interface |
| Adjustable Shelves | 5 |
| Shelf Material | Tempered glass |
| Shelf Dimensions (W/D) | 600 × 537 mm |
| Shelf Load Capacity / Unit Weight Capacity | 40 kg / 300 kg |
| Handle Type | Ergonomic handle with assisted-opening mechanism |
| Access Port | 1 × Ø10 mm |
| ATEX Compliance | Yes (Directive 2014/34/EU, ATEX 95) |
| Lock Type | Mechanical lock |
| Hinge Configuration | Right-hinged (field-reversible) |
| Gross/Net Weight | 91 / 80 kg |
| Brand | Liebherr |
|---|---|
| Origin | Germany |
| Model | SRFfg 5501 |
| Type | Upright |
| Capacity | 558 L |
| Operating Temperature Range | +3 °C to +16 °C |
| Cooling System | Forced-Air (Fan-Cooled) |
| Refrigerant | R600a |
| Temperature Control Accuracy | ±0.1 °C |
| Certification | ATEX 95 (2014/34/EU) |
| Climate Class | SN-ST (10–35 °C ambient) |
| Noise Level | Low sound power level |
| Power Interface | Volt-free alarm contacts |
| Communication | RS485 interface for multi-unit monitoring (up to 20 units) |
| Optional External Sensor | PT100 probe support |
| Defrosting | Automatic, spark-free design |
| Door | Reversible hinge |
| Shelf Load Capacity | 40 kg per glass shelf |
| Construction | Stainless steel cabinet, GlassLine tempered glass doors |
| Energy Efficiency | High-efficiency electronic control + optimized refrigeration cycle |