Circuit breakers

The PLHT miniature circuit breaker is a protective device equipped with both a thermal and an electromagnetic release that is available in 1-, 2-, 3-, 4- and 3+N pole versions. The PLHT is compatible with AC and DC applications up to 60 V with rated currents from 20 A to 125 A and is available with tripping characteristics B, C and D. It has a switching capacity of up to 25 kA.

The PLHT-V is a special 1-pole version of the PLHT miniature circuit breaker for installation in front of the meter in commercial applications. The PLHT-V is compatible with AC and DC applications up to 60 V with rated currents from 20 A to 63 A and is available with a tripping characteristic that is similar to type D. This special version has a switching capacity of up to 25 kA.

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Overview Models Resources

VERSIONS

1-, 2-, 3-, 4- and 3+N pole

TRIPPING CHARACTERISTICS

B, C, D

CURRENT LIMITING CLASS

Core features

Premium circuit breakers
- PLHT: for residential and non-residential applications
- PLHT-V: for installation in front of the meter in commercial applications
Current limiting class 3
Contact position indicator red – green
Rated currents
- PLHT: up to 125 A
- PLHT-V: up 63 A
Tripping characteristics
- PLHT: B, C, D
- PLHT-V: similar to D
Rated switching capacity up to 25 kA according to IEC/EN 60947-2
The isolating characteristics meet the insulation coordination requirements (= distance between the contacts ≥ 4 mm)
A range of accessories is available, which can also be retrofitted
Switch-grip in rated current color

The most commonly used type of overcurrent protection device

MCBs protect cables against damage due to overload and short circuits: In the event of dangerously high currents, the circuit breaker’s bimetallic thermal release will disconnect the power supply. In the event of a short circuit, the electromagnetic release will disconnect the power supply in a timely manner.

A design that is standard-compliant and quality-tested

Eaton’s PLHT miniature circuit breakers are type-tested and approved according to IEC/EN 60947-2 (VDE 0660-101). IEC/EN 60947-2 (VDE 0660-101) applies to circuit breakers in circuits with rated voltages up to 1,000 V AC, or up to 1,500 V DC.

The right MCB for every application

Circuit breakers with tripping characteristic B are the standard MCB type used for lighting and socket circuits. For circuits with high peak currents (such as motor circuits) devices with tripping characteristic C are used. Circuit breakers with tripping characteristic D are used for circuits with inductive and capacitive loads, such as solenoid valves, transformers or motors.

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PLHT xPole Miniature Circuit Breaker