Manufacturer: Daiichi Electronics Co., Ltd.
Model: DMR-RR

Features

• This unit combines up to four protection functions, measurement capabilities, and circuit breaker control into one, reducing space, design, and assembly effort.
• A high-brightness white backlight enhances visibility, while the large LCD displays multiple readings and fault data simultaneously.
• Compliant with power standard B-402 (May 2016 revision), featuring a duplicated trip circuit and fail-safe function to prevent malfunctions. Circuit breaker operation uses a two-action system.
• Seven models available to fit various needs. ZCTs meet JEC and JIS standards and support wide-range CT inputs—no CT replacement needed when load capacity changes.
• Offers six overcurrent protection types, including standard and 3-stage time limits, for flexible coordination.
• Detachable terminals and dual test modes simplify wiring and reduce inspection time.

External Dimensions Drawing (Unit: mm)