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BDZ58 Explosion-Proof Circuit Breaker

  • Explosion protection: Ex d e Ⅱ BT 6 Gb/DIP A21 TA,T6

  • Suitable for :Zone 1 & Zone 2 hazardous areas

  • Enclosure protection: IP54

  • Anti-corrosion Grade: WF1

Product Overview

The BDZ58 Series Explosion-Proof Circuit Breaker is designed for safe power distribution and circuit protection in hazardous environments where flammable gases or dust may be present.

This flameproof circuit breaker integrates overload protection, short-circuit protection, and safe switching functions within a rugged explosion-proof enclosure. It ensures reliable electrical isolation and safety control in industrial applications such as oil & gas facilities, chemical plants, and offshore platforms.

The unit is suitable for Zone 1 and Zone 2 gas hazardous areas and can also be used in dust explosive environments.

Application

  • Oil & gas refineries

  • Chemical and petrochemical plants

  • Offshore platforms and marine environments

  • Mining operations

  • Power distribution systems in hazardous areas

  • Industrial explosion-risk zones

BDZ58 Explosion-Proof Circuit Breaker
For detailed specifications, please download the Technical Datasheet.

Technical Parameters

ItemBDZ58-IIBBDZ58-IIC
Explosion MarkingEx d e IIB T6 Gb/DIPA21TA,TEx d e IIC T6 Gb/DIPA21TA,T
Applicable ZoneZone 1 & Zone 2Zone 1 & Zone 2
Rated VoltageAC 220V / 380VAC 220V / 380V
Rated Current1A – 63A1A – 63A
Available Current Options1A, 3A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63ASame as IIB
Number of Poles1P, 2P, 3P, 4P1P, 2P, 3P, 4P
Breaking Capacity6kA6kA
Leakage Protection (Optional)30mA30mA
Protection GradeIP65IP65
Corrosion ProtectionWF1 / WF2WF1 / WF2
Cable Entry DirectionTop / BottomTop / Bottom
Cable Entry SizeG3/4, G1, G1 1/4G3/4, G1, G1 1/4
Suitable Cable DiameterØ8–14mm / Ø12–17mm / Ø15–23mmSame as IIB
Installation MethodWall MountedWall Mounted
Internal ComponentsMCCB / Mini Circuit BreakerMCCB / Mini Circuit Breaker
Terminal TypeSAK SeriesSAK Series
StandardsGB3836.1 / GB3836.2 / IEC60079 SeriesSame

Features

  • The outer casing is made of ZL102 aluminum alloy die-casting with high-voltage electrostatic powder coating.
  • It houses a high-breaking capacity miniature circuit breaker.
  • It has overload and short-circuit protection functions, and can be equipped with leakage current protection devices and shunt trip units as required.
  • It can be installed in steel conduit or cable wiring.
BDZ58 Explosion-Proof Circuit Breaker
For detailed specifications, please download the Technical Datasheet.

Outline & Mounting

bdz58 Outline & Mounting
BDZ58 Explosion-Proof Circuit Breaker
For detailed specifications, please download the Technical Datasheet.

Model Designation

bdz58 Model Designation

Product Selection Table

Current (A)Available PolesRecommended Cable Entry
1 – 20A1P / 2P / 3PG3/4
25 – 63A2P / 3PG1
80 – 100A3P / 4PG1 1/4
160 – 225A3P / 4PG2

Why Choose Ex-ZS for Explsion Proof Electrical Equipments

Direct Manufacturer

Direct manufacturer of explosion-proof LED lighting, ensuring stable quality control and lead times for hazardous area projects
Fast Delivery

Fast Sampling & Stable Delivery

Rapid sampling and flexible production scheduling to support both standard and project-based explosion-proof lighting requirements

Strict QC System

Each explosion-proof floodlight is inspected and function-tested before shipment to ensure safe operation in hazardous environments.

Get Custom Explosion-Proof Solutions in 24 Hours

Send us your drawings or application details — our engineers will respond within 24 hours.

Frequently Asked Questions

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