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Circuit breakers

PLS6-DC xPole Miniature Circuit Breaker

The PLS6 miniature circuit breaker (MCB) is a protective device that’s equipped with both a thermal and an electromagnetic release. The former responds in the event of an overload, while the latter offers protection against short circuits. The 1- and 2-pole PLS6 devices for DC applications are available with rated currents from 1 A to 50 A and can withstand rated voltages of up to 250 V DC. The switching capacity is 10 kA. The PLS6 is busbar compatible, and double life/claw terminals are available at the top as well as at the bottom for easy mounting.

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IEC 60947-2
compliant MCB
Rated currents
up to 50 A
Tripping characteristic
C

Core features

  • Premium miniature circuit breaker for DC applications
  • Current limiting class (formerly selectivity class) 3
  • Back-up fuse with high selectivity, thanks to low let-through energy
  • Contact position indicator red – green
  • Rated currents up to 50 A
  • Tripping characteristic C
  • Rated switching capacity 10 kA according to IEC/EN 60947-2
  • Rated voltage up to 250 V DC per pole
  • Complies with the insulation coordination requirements (= distance between the contacts ≥ 4 mm)
  • Busbar compatible
  • Lift/claw double terminals at top and bottom
  • For mounting on busbar at top or bottom, as required
  • Guide for secure terminal connection
  • 3-position DIN-rail clip to simplify removal from the busbar system
  • Comprehensive range of accessories, which can also be retrofitted
  • Switch-grip in rated current color

A design that’s standard-compliant and quality-tested

In principle, all Eaton miniature circuit breakers are type-tested and approved in accordance with either IEC/EN 60898-1 or IEC/EN 60947-2. The corresponding test marks are printed on the devices. Circuit breakers that fall within the scope of IEC/EN 60898-1 are primarily intended for use in domestic installations and are designed to be operated by non-experts. IEC/EN 60947-2 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 situation

When selecting the right type of circuit breaker for a particular application, the following three criteria must be taken into account:

1) Current limiting class (= selectivity class)
MCBs are divided into the current limiting (selectivity) classes 1, 2 and 3, which are based on the switch-off time under short-circuit conditions.

2) Rated current
The rated current indicates the current values that an MCB can permanently withstand at an ambient temperature of 30 °C (in residential and commercial applications).

3) Tripping characteristics
Circuit breakers with tripping characteristics B and C are the most common types, as they are the standard in both residential and commercial applications.

The next generation has arrived

Miniature circuit breakers are now among the most common overcurrent protection devices. Traditional fuses are increasingly being replaced by modern circuit breakers that can be switched on again after tripping. Eaton offers premium miniature circuit breakers with different rated currents and tripping characteristics, for residential and commercial applications (xPole series) as well as for industrial applications (xEffect series).
The basic task of MCBs is to protect the cables in low-voltage networks against damage due to overload and short circuits.
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