A range of Danfoss oil differential pressure switches used as circuit breakers to protect refrigeration compressors against low lubricating oil pressure. MP 54 and MP 55 pressure controls are designed to work in refrigeration systems for HCFC and non-flammable HFC refrigerants. The models of the MP 55A series are primarily designed for refrigeration applications on R717 (ammonia), have an adjustable differential switch on, and are available with or without a thermal timer. MP 54 series, on the other hand, has a fixed switching differential and a thermal timer with a fixed release time setting.
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A range of Danfoss oil differential pressure switches used as circuit breakers to protect refrigeration compressors against low lubricating oil pressure. MP 54 and MP 55 pressure controls are designed to work in refrigeration systems for HCFC and non-flammable HFC refrigerants. The models of the MP 55A series are primarily designed for refrigeration applications on R717 (ammonia), have an adjustable differential switch on, and are available with or without a thermal timer. MP 54 series, on the other hand, has a fixed switching differential and a thermal timer with a fixed release time setting.
Applications of MP oil differential pressure switches:
Danfoss pressure controls with a wide adjustment range, equipped with a threaded cable gland for cables with a diameter of: 6 - 14 mm. There is a possibility of AC and DC power supply. Versions with adjustable or fixed differential switches are also available. The electrical connection is located on the front of the device. They are designed for a wide range of refrigerants:
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