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PSL6 ACB

PSL6 ACB

The trip units are of full range and versatile

- Various kinds of trip units are optional: PVR21 - Basic function, Digital LED display and simplicity to use. PVR21V has the voltage measurement function integrated; PVR22 - more advanced function with LCD display, optional voltage (PVR22V) and power measurement.

- Current protection features: A variety of protection function is offered including overload long-time delay protection, short-time delay, instantaneous, ground fault, neutral line N-pole protection, current unbalance protection, MCR circuit breaker making capacity protection;

- Optional remote reset function to remotely recover after fault tripping.

Easy of installation

- Zero flashover, and supports both forward and reverse power feeding.

- Supports both horizontal or vertical connection.

Efficient arc extinguishing and breaking characteristics

- Arcing chamber and contact system was designed with distinguished technology that can significantly improve the breaking capability of the breakers. It also optimizes the current sensing path and acting time that can greatly shorten the tripping time in case of large fault current.

High electrical lifetime and short circuit withstand ability

- The breaker design adopts high strength DMC material, which has good insulation characteristics and mechanical strength. The double-contact structure improves the electric life of products; The optimized design of the mechanism realizes compensation to the contact pressure, and improves the product reliability and short circuit withstand ability.

More safety protection features

- It has drawout type circuit breaker door interlocking, drawout type three-position interlocking device and off-position key lock, rear terminal protective cover, closing ready indicating device and

Drawout Type Circuit Breaker Structure

- Drawout type circuit breaker is composed of the circuit breaker base and the cassette. The cassette has guide rails on both sides. There’s a movable guide plate on the guide rail. The circuit breaker is mounted on both of the guide plates. The drawout type circuit breaker connects to the main circuit by inserting the busbar on the circuit breaker into the clusters of the cassette

Application:

PSL series of air circuit breaker (referred to as circuit breaker in the following) can be applied to the power grid of 50Hz/60Hz, rated current of 800A ~ 4000A, rated insulation voltage of 1000V, rated operational voltage of AC220V/230V/240V/380V/400V/415V/ 440V/480V/690V. It can protect circuit and equipment from overload, short-circuit, under-voltage, grounding fault and harm of other faults. It can also be offered as isolation switch which is non-auto type (without trip unit). It can offer the selective protection with high accuracy and also improve the safety and reliability of the power supply.

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