Klockner Moeller PKZM0-4 Motor Circuit Breaker 2.5-4A 3P (72737)

Motor-protective circuit-breaker according to IEC/EN60947, 3 pole size PKZM0, with adjustable overload and non-delayed short-circuit release, phase failure sensitive, screw and snap fitting, with screw terminal, cap installation dimension 45mm, rated operating voltage Ue 690V, degree of protection IP20, finger proof according to VDE 0106 T. 100, accessories: auxiliary contact, voltage release, contact module, clip plate

General Information

Connection
Screw terminals

Degree of protection
IP20
Terminals: IP00

Explosion safety category for dust
ATEX dust-ex-protection, PTB 10, ATEX 3013, Ex II(2) GD

Lifespan, electrical
100,000 operations

Lifespan, mechanical
100,000 Operations

Mounting position
Can be snapped on to IEC/EN 60715 top-hat rail with 7.5 or 15 mm height.

Operating frequency
40 Operations/h

Overvoltage category
III

Pollution degree
3

Product category
Motor protective circuit breaker

Protection
Finger and back-of-hand proof, Protection against direct contact when actuated from front (EN 50274)

Rated impulse withstand voltage (Uimp)
6000 V AC

Shock resistance
25 g, Mechanical, according to IEC/EN 60068-2-27, Half-sinusoidal shock 10 ms

Suitable for
Branch circuit: Manual type E if used with terminal, or suitable for group installations, (UL/CSA)
Also motors with efficiency class IE3

Temperature compensation
-5 - 40 °C to IEC/EN 60947, VDE 0660
-25 - 55 °C, Operating range
≤ 0.25 %/K, residual error for T > 40°