RMW1 Series Intelligent Universal Circuit Breaker

Overview

SNTOOM RMW1 Series Intelligent Universal Circuit Breaker belongs to the W1 (DW45) series universal low-voltage air circuit breaker. It is designed for 50Hz power distribution networks with a rated voltage up to 660V (690V), used to distribute electrical energy and protect lines and power equipment against overload, undervoltage, short circuit and single-phase grounding faults. It offers intelligent protection, precise selective protection and an open communication interface for four-remote operation.

Key Features

• Intelligent protection with precise selective protection

• Open communication interface for four-remote operation

• Fixed type / Draw-out type installation

• Electric operation / Manual operation

• 2-year warranty and customizable design

Technical Data (model RMW1-2000/3)

Frame size rated current (Inm): 2000 A

Rated current (In): (400)630, 800, 1000, 1250, 1600, 2000 A

Number of poles: 3

Rated voltage: up to 660V (690V)

Rated frequency: 50 Hz

Rated ultimate short-circuit breaking capacity Icu: 80 kA @400V / 50 kA @690V

Rated short-circuit making capacity nIcu: 176 kA (COSΦ0.2) @400V / 105 kA (COSΦ0.25) @690V

Rated short-circuit breaking capacity Ics: 50 kA @400V / 40 kA @690V

Rated short-time withstand current Icw: 50 kA @400V / 40 kA @690V (1s, delay 0.4s, O-CO)

Installation method: Fixed type / Draw-out type

Operation method: Electric operation / Manual operation

Operating Conditions

Ambient air temperature: upper limit 40°C, lower limit -5°C, 24h average ≤35°C

Installation site altitude: not exceeding 2000 m

Protection degree: 30

Utilization category: Category B or Category A

Standards and Warranty

Complies with GB14048.2 and IEC947-2. 2-year warranty. Customization is supported; please contact our sales team for details.