ABB REU615 Voltage Protection And Control

Description

ABB REU615 is a voltage protection and control relay designed for reliable power supply supervision, protection, and control in utility and industrial power systems.

Power Supply

• Nominal Auxiliary Voltage (Un):

• Type 1: 100, 110, 120, 220, 240 V AC (50/60 Hz)

• Type 2: 24, 30, 48, 60 V DC / 48, 60, 110, 125, 220, 250 V DC

• Interruption Time (DC): 50 ms at Un without relay reset

• Auxiliary Voltage Variation:

• AC: 38…110% of Un (38…264 V AC)

• DC: 50…120% of Un (12…72 V DC), 80…120% of Un (38.4…300 V DC)

• Start-up Threshold: 19.2 V DC (80% of 24 V DC)

• Burden:

• AC: <16 W (nominal) / <21 W (max)

• DC: <13 W (nominal) / <18 W (max)

• Ripple (DC): Max 15% of DC value (at 100 Hz)

• Fuse Type: T4A/250 V

Energizing Inputs

• Rated Frequency: 50/60 Hz ± 5 Hz

• Current Inputs:

• Rated Current: 1/5 A

• Thermal Withstand: 20 A (continuous), 500 A (1 s)

• Dynamic Withstand: 1250 A (half-wave)

• Input Impedance: <20 mΩ

• Voltage Inputs:

• Rated Voltage: 60…210 V AC

• Withstand: 240 V AC (continuous), 360 V AC (10 s)

• Burden: <0.05 VA