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MMFFEX51 Explosion-proof Control Box

Scope of Application
  • Zone 1 & Zone 2 with IIA~IIC flammable gas atmospheres, and/or Zone 21 & Zone 22 combustible dust locations;
  • Strong corrosive gas environments;
  • Temperature class: T1~T6;
  • Ambient temperature range: -40℃ ~ +60℃;
  • Operating temperature range: -40℃ ~ +75℃;
  • Indoor & outdoor use (IP66 protection);
  • Hazardous locations including chemical plants, refineries, oil extraction sites, offshore oil platforms, oil tankers, military industries, etc.
Guaranteed Safe Checkout

Important Specifications

Material Plastic Place of Origin China
Brand MMAIATEX Color black
Material Plastic Certification Ex NEPSI & CNEX
Working Temperature -40 ~ +60℃ Rated Voltage 220V, 380V
Electrical Service Life 100,000 hours Warranty 1 Year or depends on the products
Application Zones Zone 1 & 2 or Zone 21, 22 Ex Mark Ex db eb IIC T6 Gb tb IC T80℃ Db

Packaging & Shipping Information

Sales Unit Single piece Single Package Dimension 15×10×10 cm
Single Product Gross Weight 0.9 kg
Product Features
  • The enclosure is made of glass fiber reinforced unsaturated polyester resin (GRP) with anti-static surface (surface insulation resistance of 10⁷Ω~10¹⁰Ω). It features strong corrosion resistance, impact resistance, excellent thermal stability and attractive appearance.
  • Increased safety enclosure, equipped with explosion-proof and anti-corrosion internal components (buttons, selector switches, signal lamps, illuminated buttons, potentiometers, buzzers, ammeters, etc.) and wiring terminals. The components adopt compact DIN rail structure, which can be quickly installed on positioning guide rails to fix components at designated positions, facilitating installation and maintenance.
  • Labyrinth structure at the joint of box body and cover; the sealing strip is made of imported cast-in-place foamed polyurethane or silicone rubber, delivering superior waterproof and dustproof performance.
  • Emergency stop button can be fitted with misoperation prevention mechanism and padlock device on demand.
  • Exposed fasteners are stainless steel with anti-drop structure for easy installation and maintenance. Metal handles for low-temperature environments and padlocks are available as options.

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