CH0801-K Explosion Proof Switch Mod Oper Head

Technical Data

1.Explosion-proof Type

• Standards Implemented: CENELEC, IEC, NEC
• Applicable Hazardous Areas:Zone 1, Zone 2 for explosive gas atmospheres, Zone 21, Zone 22 for combustible-dust atmospheres.
• Ex Marking:  Ex db eb IIC Gb, Ex tb IIIC Db

2.Product Parameters

• Product Type: Explosion-proof change-over switch assembly (module + operating head), front-of-panel and rear-of-panel mounting types, multiple handle options
• Certification / Explosion-proof Marking: Ex db eb IIC Gb, Ex tb IIIC Db, suitable for Zone 1, Zone 2 explosive gas atmospheres and Zone 21, Zone 22 combustible-dust hazardous locations
• Material: Housing injection-molded of custom engineering plastic
• Exposed Fasteners: TS35×7.5 DIN-rail for rail mounting; M6 screw fasteners for rear-panel mounting
• Electrical Rating-Rated Voltage: 400V AC, 110V DC
• Electrical Rating-Rated Current: 16A AC, 1A DC
• Protection-Ingress Protection: Module IP20; operating head IP66
• Protection-Ambient Temperature: Ambient temperature -40℃～+60℃; operating temperature -40℃～+75℃
• Connection-Cable Cross-section: Terminal 2×2.5mm²
• Connection-Cable Entry: No built-in cable entry; module shall be installed inside increased-safety explosion-proof enclosure
• Connection-Cable Gland: Cable glands are supplied by the external matched explosion-proof enclosure

3.Product Classification & Origin

HS Code:9405409000

Country of Origin: China

4.Applicable Industries

• Suitable for：Suitable for petrochemical, coal-chemical, pharmaceutical, coating, grain-oil processing, mining, oil-gas storage & transportation, sewage treatment and other industries with explosive gas and combustible-dust hazardous working conditions.
• Practicality：Modular switch with independent contacts supports various contact forms, front-panel and rear-panel mounting and multiple handle options to satisfy diverse on-site circuit control requirements.
• Safety Performance：Marked Ex db eb IIC Gb, Ex tb IIIIC Db for Zone 1/2 gas and Zone 21/22 dust hazardous areas, IP20 for module and IP66 for operating head with corrosion-resistant housing, and it must be used with increased-safety enclosure instead of working alone in explosive atmosphere.

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 CH0801-K explosion-proof switch module applicable to?

A1: It is suitable for Zone 1, Zone 2 explosive gas atmospheres and Zone 21, Zone 22 combustible-dust hazardous locations.

 

Q2: What are the protection grades of this switch component?

A2: The switch module reaches IP20 protection grade, while the operating head achieves IP66 protection grade.

 

Q3: Can the CH0801-K switch module be used separately in explosive atmosphere?

A3: No, it must be matched with an increased-safety enclosure and cannot be used alone in explosive hazardous environment.