Name: DZ158 Moulded Case Circuit Breaker
Brand: Chint

DZ158 Moulded Case Circuit Breaker

The DZ158LE Residual Current Operated Circuit Breaker offers comprehensive personnel and fire protection by guarding against electric shock, overload currents, and short-circuits. Compliant with IEC/EN 60947-2 standards, this device provides superior leakage protection with various sensitivity options. Its robust design and versatile functionality also make it an ideal choice for OEM integration, ensuring high levels of electrical safety and system integrity across residential, commercial, and industrial power distribution applications.

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FAQs

What are the main functions of the DZ158 MCCB?

It provides overload and short-circuit protection, along with switching and isolation functions in low-voltage distribution systems.

What voltage and current ranges does it support?

The DZ158 supports 230/400 ~ 240/415 V AC and 60/110 ~ 110/220 V DC, with rated currents from 63 A to 125 A.

What makes the DZ158 suitable for industrial and commercial use?

It features high breaking capacities (6 kA / 10 kA), IP20 protection, and strong mechanical endurance (up to 8,500 operations), making it durable under frequent load switching.

How does ambient temperature affect performance?

The breaker’s rated current is based on a 30 °C reference. For higher ambient temperatures, derating applies—for example, at 60 °C, only ≈ 86% of rated current can be maintained.

Can the DZ158 be combined with accessories?

Yes. The MCCB is compatible with auxiliary contacts and other CHINT accessories for status indication and system integration.

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DZ158 Moulded Case Circuit Breaker

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DZ158 Moulded Case Circuit Breaker

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