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MMFFEX51 Explosion Proof Operation Column

Application Scope
  • Zone 1, Zone 2 hazardous locations with Class IIA ~ IIC explosive gas atmospheres, and/or Zone 21, Zone 22 explosive dust environments;
  • Temperature class: T1 ~ T6;
  • Ambient operating temperature range: -40℃ ~ +60℃
  • Working temperature range: -40℃ ~ +75℃;
  • For indoor and outdoor installation;
  • Suitable for hazardous areas such as chemical plants, refineries, oil exploitation sites, offshore oil platforms, oil tankers, military industry and other dangerous locations.
Guaranteed Safe Checkout
Max Voltage 250V Max Current 16A
Switch Combination / IP Protection Class IP66
Material Aluminum Alloy Mechanical Life /
LED Indicator Light None Application Industrial Control
Intelligent Function No Origin Place Zhejiang, China
Model Mmffex51 Brand MMAIATEX
Product Name IP66 Explosion Proof Push Button with NEPSI & CNEX Certification Color Customizable
Certifications NEPSI, CNEX Type Electrical Equipment
Rated Voltage 250V Electrical Service Life 100,000 Hours
Warranty 1 Year Subject to Product Intended Use Zone 1, Zone 2, Zone 21, Zone 22
Ex Marking Ex II2Gd IIC T6 Ex tD A21 T80℃
Sales Unit Single Unit Single Package Size 55×25×15 cm
Single Product Gross Weight 6.0 KG
Attribute Parameter
Supply Range Explosion Proof Switch Box
Structure Description
  • Die-cast aluminum alloy housing with high-voltage electrostatic plastic spraying on the surface.
  • Labyrinth structure at the joint of housing and cover; silicone rubber sealing strip delivers excellent waterproof and dustproof performance.
  • Intrinsically safe housing pre-installed with explosion-proof components, including control switches, control push buttons, indicator lights, potentiometers, ammeters, tachometers, etc.
  • Explosion-proof components are easy to install. The guide rail design enables quick mounting on positioning rails to fix components in place, facilitating installation, maintenance and offering strong component interchangeability.
  • Modular structure supports flexible combination as required to meet customized design demands.
  • Emergency stop can be equipped with misoperation prevention mechanism and padlock device upon request.
  • Exposed stainless steel fasteners with anti-drop structure for easy installation and overhaul.
  • Available for cable wiring or flexible conduit wiring.

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