Flameproof Indicator & Push Button

Technical Data

1.Explosion-proof Type

• Standards Implemented: GB/T 3836.1-2021, GB/T 3836.3-2021
• Applicable Hazardous Areas: Zone 1, Zone 2 gas explosive hazardous area
• Ex Marking: Ex eb Ⅱ Gb, suitable for ⅡA, ⅡB, ⅡC gas groups

2.Product Parameters

• Product Type: Φ30 mm modular push-button indication devices, including indicator lamps, push-buttons, emergency-stop push-buttons, selector switches, change-over switches, buzzers, potentiometers and voltmeters. Panel-mount modular operating components.
• Certification: No certification number shown on datasheet. Panel-mount operating modules for matching explosion-proof enclosures.
• Material: Not fully specified on drawing. Operating head with metal parts; base and contact modules made of engineering plastic.
• Exposed Fasteners: Panel-mounting nut and safety locking clip. Nuts are pre-assembled on operating heads for panel fastening.
• Electrical-Rated Voltage: Exact value not given on datasheet, suitable for control circuit up to 1000 V.
• Electrical-Rated Current: Exact value not given on datasheet. Max. 3 contact pairs for single-layer, max. 6 contact pairs for double-layer. Contacts with self-cleaning function.
• Protection-Ingress Protection: IP66, for indoor and outdoor applications.
• Protection-Ambient Temperature: Ambient-temperature range not stated in the datasheet.
• Connection-Cable Cross-section: Not specified. Wiring via terminals of contact modules.
• Connection-Cable Entry: No built-in cable entry on the unit itself. Cable entry is arranged on the matched control enclosure.
• Connection-Cable Gland: Cable glands are not supplied with the product; glands shall be fitted on supporting explosion-proof control cabinets.

3.Product Classification & Origin

HS Code:8536500000
Country of Origin: China

4.Applicable Industries

• Suitable for: Automation equipment, aerospace, grain-oil processing, new-energy industry, ships & yachts, public buildings and other industries, applicable for various indoor and outdoor industrial scenarios.
• Practicality: Adopts Φ30 mm modular design, covering indicator lamps, push-buttons, emergency-stop buttons, selector switches, buzzers, potentiometers, voltmeters and other components. Different parts can be freely combined to realize required functions. Max. 3 contact pairs for single-layer and up to 6 contact pairs for double-layer. Self-cleaning contacts ensure stable conduction. Color-marked contact connecting rods for easy identification. Quick and easy installation helps customers reduce overall costs.
• Safety Performance: IP66 ingress-protection rating for dust-proof and water-proof performance, suitable for harsh indoor and outdoor working conditions. Secure modular locking-clip structure guarantees firm assembly and long-term operational reliability for industrial control and status indication.

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 mounting hole diameter for this series of push-button indication devices?

A1: The product belongs to Φ30 mm push-button indication device series, the panel cut-out size is 30.5 mm.

 

Q2: How many contact pairs can be configured for the modular push-button products?

A2: A maximum of 3 contact pairs for single-layer configuration, and up to 6 contact pairs for double-layer configuration.

 

Q3: What is the ingress-protection rating of these modular push-button and indicator lamp units?

A3: The ingress-protection rating reaches IP66, suitable for both indoor and outdoor applications.