ABB REF542PLUS
The REF542PLUS module is installed in ABB power protection systems to provide various protection functions such as over current protection, short circuit protection, over voltage protection, under voltage protection, phase sequence protection, frequency protection, etc. The module has the following features:
High performance: The use of high-performance microprocessor and advanced protection algorithms to provide reliable protection.
High reliability: industrial design, can work in harsh environment, with vibration resistance, impact resistance, high temperature resistance, low temperature resistance, dust and waterproof characteristics.
Easy to use: Provide a friendly human-machine interface and rich functions, easy to operate.
Product parameters:
Rated voltage: 380 V AC
Rated current: 63 A
Protection function: over current protection, short circuit protection, over voltage protection, under voltage protection, phase sequence protection, frequency protection, etc
Communication interface: RS-232, RS-485
Operating temperature range: -25°C to +55°C
Protection class: IP65