REX521GHHPSH07G

Overview

ABB REX521GHHPSH07G is a motor protection relay with a range of auxiliary power supply options and environmental condition specifications designed for optimal performance in various conditions.

Auxiliary Power Supplies

• Type PS_87H (REX521xxHxx)

• Type PS_87L (REX521xxLxx)

• Input Voltage (AC): 110/120/220/240 V

• Input Voltage (DC): 110/125/220 V, 24/48/60 V

• Voltage Variation (AC): 85–110%, DC: 80–120% of rated value

• Burden: <20 W

• Ripple in DC auxiliary voltage: max. 12% of rated DC value (IEC 60255-11)

• Interruption time in auxiliary DC voltage without resetting:

• <40 ms at 110 V

• <100 ms at 200 V

• <15 ms at 24 V

• <50 ms at 48 V

• Internal Overtemperature Indication: +78°C (+75 to +83°C)

Environmental Conditions

• Specified Service Temperature Range: -10°C to +55°C

• Transport and Storage Temperature Range: -40°C to +70°C

• Enclosure Class:

• Front Side (flush-mounted): IP 54

• Rear Side (connection terminals): IP 20

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