ch0808 explosion proof isolating switch
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CH0808 Explosion Proof Isolating Switch

  • The isolating switch features excellent flame retardancy.
  • The switch module adopts a spring energy storage instant release acceleration mechanism for rapid make-and-break operation.
  • The contact material of the isolating switch module is silver alloy; all wire pressing screws at wiring terminals are stainless steel.
  • The isolating switch module provides large clearance distance.
  • This product must be used in conjunction with increased safety enclosures; it cannot be used alone in flammable explosive gas atmospheres.
  • Explosionproof isolating switch (control switch, main switch) modules are used for explosionproof electrical equipment, providing multiple solution options for petroleum and chemical sites.
  • The switch adopts a modular design with 2pole to 12pole contacts to realize various control functions. It supports selflocking and selfreset at different positions and must be used together with a switch handle.
  • As a certified module, this switch must be installed inside an increasedsafety enclosure.
  • Switch capacity: 16/25A Rated voltage: 230690VAC The switch features excellent flameretardant performance.
  • Equipped with a springenergystorage instantrelease acceleration mechanism, the switch module enables fast makeandbreak operations.
  • Contact material of switch module: silver alloy Terminal compression screws for all wiring points of the switch module are made of stainless steel.
  • The switch module provides large isolation distance. Operating handle: IP66.

 

  • Operating handle with IP66 protection rating
  • Explosionproof isolating switch (control switch, main switch) modules are used for explosionproof electrical equipment, providing multiple solution options for petroleum and chemical sites.
  • The switch adopts a modular design with 2pole to 12pole contacts to realize various control functions. It supports selflocking and selfreset at different positions and must be used together with a switch handle.
  • As a certified module, this switch must be installed inside an increasedsafety enclosure.
  • Switch capacity: 16/25A Rated voltage: 230690VAC The switch features excellent flameretardant performance.
  • Equipped with a springenergystorage instantrelease acceleration mechanism, the switch module enables fast makeandbreak operations.
  • Contact material of switch module: silver alloy Terminal compression screws for all wiring points of the switch module are made of stainless steel.
  • The switch module provides large isolation distance. Operating handle: IP66.
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Guaranteed Safe Checkout

Technical Data

1.Explosion-proof Type
  • Standards Implemented:IEC 60079 series, EN 60079 series, GB/T 3836 series
  • Applicable Hazardous Areas:Gas Zone 1/2; Dust Zone 21/22
  • Ex Marking: Gas protection: Ex db eb II C Gb
2.Product Parameters
  • Explosion-proof Mark: Ex db eb II C Gb
  • Application Zone: Zone 1 & Zone 2
  • Ambient Temperature: -40℃ ~ +60℃
  • Operating Temperature: -40℃ ~ +75℃
  • Compliance Standards: Ex, GB/T3836.1
  • Module Poles: 2, 3, 4, 6 poles
  • Models & Rated Current: CH0808-25A: 25A CH0808-40A: 40A CH0808-80A: 80A
  • Rated Insulation Voltage Ui: 800V
  • Rated Impulse Withstand Voltage Uimp: 6kV
  • Rated Short-time Withstand Current Icw: 3kA (25A, 40A); 10kA (80A)
  • Rated Short-circuit Making Capacity Icm: 4kA (25A, 40A); 17kA (80A)
  • Fuse Short-circuit Protection: 20kA 500V/35A (25A) 20kA 500V/63A (40A) 50kA 500V/160A (80A)
  • Fuse Protection Characteristic: gG (Compliant with IEC/EN60269-1)
  • Terminal Wire Cross-section: 25A: 2×1.5~4mm² 40A: 2×10mm² 80A: 2×16~25mm²
  • Housing Material: Unsaturated Polyester Resin
3.Product Classification & Origin

HS Code: 8536500000
Country of Origin: China

4.Applicable Industries
  • Applicable Industries Suitable for petroleum, chemical hazardous sites, for Zone1/2 gas and Zone21/22 dust areas.
  • Practicality Modular multi-pole contacts, self-locking & self-reset, multi-current ratings. Matched with handle & increased-safety enclosure for various isolation control solutions.
  • Safety Performance Flame-retardant unsaturated-resin housing, silver-alloy contacts, spring-energy-storage quick break. Stainless-steel terminal screws, Ex db eb II C Gb, IP66 handle, ensures power safety in hazardous zones.
5.Credibility

MMALATEX explosion-proof products comply with strict international standards and hold complete ATEX, IECEX and EAC certifications to ensure compliant operation in global markets. This series of explosion-proof products is engineered for extreme working conditions with IP65/IP66/IP67 protection ratings, delivering excellent resistance to water, dust and corrosion. We provide customers with in-depth supporting services, including comprehensive technical support, complete warranty services and worldwide logistics support. Wherever your project is located, MMALATEX ensures smooth project delivery and provides safe and reliable solutions for hazardous areas.

6.FAQs

Q1: What hazardous areas is CH0808 explosion-proof isolating switch suitable for?

A1: It is applicable for Zone1/2 gas hazardous areas and Zone21/22 dust hazardous areas, widely used in petroleum and chemical industries.

 

Q2: What are the practical features of this switch module?

A2: It adopts modular mult-pole contact design with self-locking and self-reset functions, and supports multiple current specifications for various isolation control solutions.

 

Q3: What safety performance does CH0808 have?

A3: It features flame-retardant housing, silver-alloy contacts, spring-energy-storage quick-break structure, stainless-steel terminal screws, Ex db eb II C Gb marking and IP66 handle for hazardous-zone safety.

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