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Seifert 871225201 Progressive Enclosure Air Conditioner, 4,100 BTU, 400/460 VWall-mounted industrial control cabinet cooling with programmable temperature control. 400/460 V. Product OverviewThe Seifert 871225201 Progressive electrical enclosure air conditioner provides wall-mounted cooling for control cabinets containing temperature-sensitive electronics. At 95°F/95°F conditions, cooling capacity is 3,820 BTU at 50 Hz and 4,095 BTU at 60 Hz. Its 400/460 V supply configuration and 23-inch-high housing suit industrial cabinet installations that require a compact cooling unit with defined performance at both frequencies. A programmable digital controller provides an internal cabinet display, a factory temperature setting of 95°F and an adjustable range of 68°F to 122°F. A high-temperature alarm activates at 131°F, while the Modbus RS485 interface supports communication with a supervisory system. Built-in condensate evaporation and a 400 W enclosure heater combine cooling and heating functions in the same unit. The RAL 7035 gray powder-coated steel housing contains a hermetically sealed refrigeration system with a reciprocating compressor and R134a refrigerant. An aluminum mesh filter, mounting flange hangers and cage clamp terminal connections support installation and routine maintenance. The enclosure protection rating is IP56 / Type 12, 3, 3R and 4. Key Features- Cooling capacity at 95°F/95°F: 3,820 BTU at 50 Hz and 4,095 BTU at 60 Hz.
- 400 W built-in enclosure heater complements the cooling function.
- Programmable digital controller with display visible inside the cabinet.
- Factory setting: 95°F; adjustable temperature setting: 68°F to 122°F.
- High-temperature alarm at 131°F and Modbus RS485 communication interface.
- Built-in condensate evaporation and aluminum mesh filter.
- Hermetically sealed refrigeration system using R134a refrigerant.
- Mounting flange hangers and cage clamp terminal connections.
ApplicationsSuitable for temperature management in industrial electrical enclosures, automation control cabinets and machinery control panels containing heat-generating electronics. Select the cooling unit according to the cabinet heat load, ambient conditions, available supply voltage and required enclosure protection rating. Installation and SelectionMatch the voltage and frequency to the installation supply, and check the enclosure dimensions and mounting requirements before installation. Use the manual for the cutout, wiring and commissioning instructions. The cooling capacities apply to their stated temperature conditions; use the datasheet performance information when selecting a unit for the application. Technical Specifications| Manufacturer | Seifert |
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| Series | Progressive |
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| Model Number | 871225201 |
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| Housing Material | RAL 7035 gray powder-coated steel |
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| Cooling Capacity 95°F/95°F | 3,820 BTU at 50 Hz / 4,095 BTU at 60 Hz (nominal class: 4,100 BTU) |
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| Cooling Capacity 95°F/122°F | 3350 BTU @ 50 Hz / 3750 BTU @ 60 Hz |
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| Enclosure Heater | 400 W |
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| Compressor | Reciprocating compressor |
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| Refrigerant / GWP | R134a / 1430 |
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| Refrigerant Charge | 210 g / 7.5 oz |
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| High / Low Pressure | 435 / 88 psi |
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| Temperature Range | -40°F to 140°F |
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| Air Volume Flow (system/unimpeded) | Ambient air circuit: 165/324 CFM, Cabinet air circuit: 177/277 CFM |
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| Mounting | Wall mounted |
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| Dimensions (H × W × D) | 23" Height x 12" Width x 12" Depth |
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| Cutout Dimensions | 13.6" x 9.3" |
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| Voltage / Frequency | 400/460 V ~ 50/60 Hz |
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| Current 95°F/95°F | 2 A (50 Hz) / 1.85 A (60 Hz) |
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| Starting Current | 8.6 A |
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| Maximum Current | 2.3 A |
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| Nominal Power 95°F/95°F | 740 W (50 Hz) / 835 W (60 Hz) |
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| Maximum Power | 1.05 kW |
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| Fuse | 15 A (T) |
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| Maximum Circuit Ampacity | 15 A |
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| Short-Circuit Current Rating | 5 kA |
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| Rated Current Compressor | 1.3 A |
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| Full Load Current Fans | 0.4 A |
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| Connection | 5 pole terminal block for signals, 4 pole terminal block for power, 3 pole terminal block for RS485 Modbus |
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| Protection Category | IP56 / Type 12, 3, 3R, 4 |
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| Approvals | CE, cULus, UL (ACVS) |
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