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NJBK7

CHiNT
Part Number NJBK7
Manufacturer CHiNT
Description Motor Protection Relay
Published Aug 5, 2015
Detailed Description 2. Type designation N JBK 7 - 800 / □ Relay Protection Relay NJBK7 Motor protection delay 1. General NJBK7 series moto...
Datasheet PDF File NJBK7 PDF File

NJBK7
NJBK7

Overview
2.
Type designation N JBK 7 - 800 / □ Relay Protection Relay NJBK7 Motor protection delay 1.
General NJBK7 series motor protection relay (hereinafter referred to as protector) is used to provide overload, locked rotor, phase failure, three-phase current unbalance, ground and PTC temperature protection for AC motors with a frequency of AC 50Hz, a rated insulation voltage of up to 690V and a rated operational current of 80A-800A that operate continuously or intermittently.
The protector uses flexible Rogowski coil to acquire current and features wide setting current range, high accuracy and convenient installation.
The protector has RS485 interface and 4mA20mA analog transmission interface, ...


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