CH1208 Flameproof Buzzer

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: Gas protection:Ex db eb ib mb IIC Gb, Ex ib tb IIIC Db

2.Product Parameters

• Product Type: Explosion-proof flashing buzzer, rear-of-panel mounting type with dual audible-visual alarm function, including flashing type and non-flashing type.
• Certification / Explosion-proof Marking: Ex db eb ib mb IIC Gb, Ex ib tb IIIC Db. Suitable for Zone 1/2 explosive gas atmospheres, Zone 21/22 combustible-dust atmospheres. U-certificate, must be used with increased-safety enclosure.
• Material: Polyurethane housing.
• Exposed Fasteners: Rear-of-panel mounting. Screw specifications are not provided in datasheet.
• Electrical Rating-Rated Voltage: DC24-36V, AC240V; rated frequency 50/60Hz.
• Electrical Rating-Rated Current: Rated current not specified. Terminal: 2×2.5mm².
• Protection-Ingress Protection: IP66.
• Protection-Ambient Temperature: Ambient temperature -40℃～+60℃; operating temperature -40℃～+75℃.
• Connection-Cable Cross-section: Max. wiring cross-section 2.5 mm².
• Connection-Cable Entry: No built-in cable entry; to be installed inside increased-safety enclosure.
• Connection-Cable Gland: Cable glands supplied by external matched explosion-proof enclosure.

3.Product Classification & Origin

HS Code: 8531100000
Country of Origin: China

4.Applicable Industries

• Suitable for: Petrochemical, coal-chemical, pharmaceutical, coating, mining, oil-gas storage & transportation, sewage treatment and other industries with explosive gas and combustible-dust hazardous working conditions.
• Practicality: Rear-of-panel mounting design with dual audible-visual alarm. It has flashing and non-flashing types, available with red and black transparent covers. Two voltage options DC24-36V and AC240V are offered. With wide-voltage input and intrinsically-safe output, sound pressure reaches 80dB at 30 cm, meeting on-site fault alarm requirements.
• Safety Performance: Explosion-proof marking Ex db eb ib mb IIC Gb, Ex ib tb IIIC Db, applicable for Zone 1/2 gas and Zone 21/22 dust hazardous locations. Protection grade IP66, ambient operating temperature -40℃～+60℃. This device must be installed and used together with increased-safety enclosure.

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 is the explosion-proof marking of CH1208 explosion-proof (flashing) buzzer?

A1: Its explosion-proof marking is Ex db eb ib mb IIC Gb, Ex ib tb IIIC Db.

 

Q2: What is the protection degree of CH1208 buzzer?

A2: The protection grade is IP66.

 

Q3: What is the rated sound pressure of CH1208 explosion-proof buzzer at 30 cm distance?

A3: The rated sound pressure reaches 80dB at 30 cm.