Plastic Explosion-proof Socket and Plug MOLT01

* Rated current: 16A, 32A, 63A, 125A

* Pole No.: 3, 4, 5

* Ex marks: 16A, 32A: 1Ex db eb IIC T6 Gb; Ex tb IIIC T80℃ Db IP66;  63A, 125A:1 Ex db eb IIC T4 Gb; Ex tb IIIC T80℃ Db IP66

* Shell material: Engineering plastics

* Certificate: TR CU


Explosion-proof sockets and plugs are specialized electrical connectors designed for use in hazardous environments where there is a risk of explosions due to the presence of flammable gases, vapors, dust, or fibers. These connectors are engineered to prevent any internal sparks or arcs from igniting the surrounding explosive atmosphere.

Explosion-proof sockets and plugs are essential for ensuring the safety and reliability of electrical connections in hazardous environments. By preventing internal sparks or arcs from igniting explosive atmospheres and complying with stringent safety standards, these connectors protect both personnel and equipment. Their rugged construction, high IP ratings, and secure locking mechanisms make them a critical component for operations in high-risk industries such as oil and gas, chemical processing, mining, and manufacturing.

Explosion-Proof Socket and Plug Specifications

CertificationATEX, IECEx, UL, CSA
Explosion Protection ClassEx d (Flameproof), Ex e (Increased Safety)
Gas Group ClassificationIIC (Hydrogen, Acetylene)
Dust Group ClassificationIIIC (Combustible Dust)
Temperature ClassT6 (Max surface temp 85째C), T5, T4, etc.
Ingress Protection (IP) RatingIP66, IP67
MaterialStainless Steel, Aluminum, Reinforced Plastic
Operating Voltage110V, 220V, 380V, 440V, etc.
Current Rating16A, 32A, 63A, 125A, etc.
Frequency50Hz, 60Hz
Cable Entry SizeM20, M25, M32, etc. (metric sizes)
Cable Gland TypeExplosion-proof cable glands (e.g., Ex d, Ex e)
Ambient Temperature Range-20째C to +60째C, -40째C to +70째C, etc.
Locking MechanismScrew lock, Bayonet lock
Contacts MaterialBrass, Nickel-plated brass, Copper
Housing ColorTypically black or gray (custom colors available)
Number of Poles2P+E (single-phase), 3P+E, 3P+N+E (three-phase)
Mounting TypeWall-mounted, Panel-mounted
Impact ResistanceIK10 (high impact resistance)
Additional FeaturesPilot contacts, Auxiliary contacts

Key Features of Explosion-Proof Sockets and Plugs

  1. Explosion Containment:

    • Designed to contain any internal explosions and prevent the propagation of flames to the external environment.

    • Ensures that any sparks or arcs produced within the connector do not ignite the surrounding atmosphere.

  2. Rugged Construction:

    • Made from durable materials such as stainless steel, aluminum, or reinforced plastic to withstand harsh conditions.

    • Resistant to corrosion, impacts, and extreme temperatures.

  3. Sealing and Gaskets:

    • Equipped with high-quality seals and gaskets to maintain a tight enclosure, preventing the ingress of explosive gases or dust.

    • Ensures a secure and safe connection.

  4. Ingress Protection (IP) Rating:

    • Typically rated with a high IP rating (e.g., IP66, IP67) to protect against dust and water ingress.

    • Ensures reliable operation in various environmental conditions.

  5. Locking Mechanism:

    • Often features a robust locking mechanism to ensure the plug is securely connected to the socket.

    • Prevents accidental disconnection in hazardous environments.

  6. Certification:

    • Certified according to international standards such as ATEX (Atmosphères Explosibles), IECEx (International Electrotechnical Commission Explosive), and UL (Underwriters Laboratories).

    • Undergoes rigorous testing to ensure compliance with safety standards for explosive atmospheres.