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Specifications
RW-FFR series Phase Failure Relay(Over/under voltage, phase loss, phase reversal, overload protector)About us
Fenghua Refworld Refrigeration Industry Co., Ltd. is a company specializing in the R&D, manufacture and sale of refrigeration components and equipment. Through several years of hard work and devotion in the field of refrigeration, high technology manufacturing equipment and advanced management concept, we are making a solid base for our future development. Now we have established a wide sales network all over the world. We are always open for your visit and cooperation and hope that we can establish long-term cooperation with your esteem company and will do what we can for the development of the world refrigeration and air conditioning.
About product
Description
RW-FFR series phase failure relay( also called phase protector) is mainly used as a protector against the voltage unbalance, phase loss, phase reversal, over/under voltage of the motor with three phases in AC 50/60Hz, rated voltage 80 to 690V. The protector must be connected according to the offered drawing; generally, it adopts the value of the power supply. It is popular used in electric/ power mechanical applications for good stability and lower price.
Size & Installation
Ordering code
| Type | Rated voltage(VAC) | Over voltage(VAC) | Under voltage(VAC) | |||||||
| RW-FFR-220-1 | 220 | 264 | 176 | |||||||
| RW-FFR-220-2 | 253 | 187 | ||||||||
| RW-FFR-220-3 | 242 | 198 | ||||||||
| RW-FFR-380-1 | 380 | 456 | 304 | |||||||
| RW-FFR-380-2 | 437 | 323 | ||||||||
| RW-FFR-380-3 | 418 | 343 | ||||||||
| RW-FFR-415-1 | 415 | 498 | 332 | |||||||
| RW-FFR-415-2 | 477 | 353 | ||||||||
| RW-FFR-415-3 | 457 | 374 | ||||||||
| RW-FFR-440-1 | 440 | 528 | 35 | |||||||
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