Klockner Moeller PKZM0-2.5 Motor Circuit Breaker 1.6-2.5A 3P (72736)

Transformer 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

General information

Connection
Screw terminals

Degree of protection
Terminals: IP00
IP20

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
Transformer 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
Also motors with efficiency class IE3
DIN rail (top hat rail) mounting

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

Climatic environmental conditions

Altitude
Max. 2000 m

Ambient operating temperature - min
-25 °C

Ambient operating temperature - max
55 °C

Ambient operating temperature (enclosed) - min
25 °C

Ambient operating temperature (enclosed) - max
40 °C

Ambient storage temperature - min
40 °C

Ambient storage temperature - max
80 °C

Climatic proofing
Damp heat, cyclic, to IEC 60068-2-30
Damp heat, constant, to IEC 60068-2-78