REA 101

Overview

The ABB REA 101 Arc Protection Relay is designed for reliable arc fault detection and protection with robust current inputs and multiple trip contact outputs.

Current Input

• Rated current: 1 A / 5 A

• Continuous load current: 4 A / 20 A

• Momentary current for 1 s: 100 A / 500 A

• Dynamic current withstand, half-wave value: 250 A / 1250 A

• Input impedance: <100 mΩ / <20 mΩ

• Rated frequency: 50 / 60 Hz

Outputs

• Trip contacts HSO1 and HSO2:

• Rated voltage: 250 V DC/AC

• Continuous carry: 1.5 A

• Make and carry for 0.5 s: 30 A

• Make and carry for 3 s: 15 A

• Breaking capacity for DC (L/R < 40 ms): 5 A/3 A/1 A at 48/110/220 V DC

• Trip contact TRIP3:

• Rated voltage: 250 V DC/AC

• Continuous carry: 5 A

• Make and carry for 0.5 s: 30 A

• Make and carry for 3 s: 15 A

• Breaking capacity for DC (L/R < 40 ms): 5 A/3 A/1 A at 48/110/220 V DC

Power Consumption

• Quiescent/operating conditions: ~9 W / ~12 W

• Maximum port output power: ~19 W

• Maximum number of extension units/port: 5

• Max power consumption with 10 extension units connected: <50 W

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