Bulletin 857 Motor-Feeder Protection, Medium Voltage offers solutions for today’s motor and feeder protection requirements in one package. Our protection relay gives you flexible control to maximize your motor’s output capabilities, and provides current, voltage and motor protection functions. The protection relay can be integrated into a low voltage or medium voltage Motor Control Center, or can be purchased as an OEM component. Configure these relays using our bundled SetPointPS software.
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Overview
- Provides fully digital signal handling
- Includes powerful 16-bit microprocessor
- Offers high measuring accuracy on all the setting ranges
- Includes wide setting ranges for the protection function can reach a sensitivity of 0.5%
- Offers flexible control and blocking possibilities
- Adapts to various substations and alarm systems
- Includes SetPointPS configuration software
Product Selection
Specifications
Certifications
- EMC
- cULus Listed
Standards Compliance
- EMC Compliance 2014/30/EU
- Product Safety 2014/35/EU
- EN 60255-26: 2013
- EN60255-27:2014
- E334349
- UL 508