CQM3 Moulded Case Circuit Breaker

1 Application

Safe and reliable electric energy allocation, continuity and control for industrial , construction and machinery manufacturing. Innovative protection concepts, and communication functions with fault diagnosis.

Features

·Compact structure, standard type(L type) and higher type( M type)

·Electric ratings: AC 400V ,50Hz/60Hz

·Up to 800A current rating

·Maximizing ease of use

·Mounting mode: Vertical and horizontal

·Compliant standard: IEC/EN60947-2. 

·High interruption, short arc (partial zero arc) and anti-vibration.

2 Type designation

Poles code  3 (3poles) /4(4 poles)

Internal Annex Code

Utilization Code: No Code/Distribution/Motor Protection

Fill in "I" when ordering overload alarm without tripping, but CQM3-63L/M and other specifications of 4poles circuit breakers with neutral polarity of C and D do not have this function.

Installation connection code

Blank:Front connection

R:Rear connection

PF:Plug- in board front connection 

PR:Plug-in board rear connection

DF:Draw-out board front connection

DR:Draw-out board rear connection

Operation code

Blank:Direct operation

Z:Operation with rotary handle

P:Motor driven operation

Release type code

2 Electromagnetic release

3 Thermodynamic + Electromagnetic Releaser (No Release for Overload Alarm Only Code 2)

Code for choosing the four-poles product：

Type A: N-pole without over current release, it has been connected all along, and does not act with other three poles.

Type B: N-pole without over current release, it could act with other three poles.

Type C: N-pole fixed with over current release, it could act with other three poles.

Type D: N-pole fixed with over current release, it has been connected all along, and does not act with other poles.

Place of use and environmental codes

Blank:General type

TH:Humidity-heat resistant  type

10A~800A   Rated current

For example, if you order CQM3-125, standard type, three-pole, distribution, rated current 50A with 2 shunt tripper and front panel wiring , that is, to order CQM3-125L/3310 50A, qty:2.

4 Dimensions （unit :mm）