LA5821 explosion-proof corrosion-proof control button (IIC)

1.safety-increased shell formed by casted ABS plastic 2.flame-proof button shaped by pressing 4220 melocol arc-proof plastic

Application

1,Explosive atmosphere??? : Zone 1 and Zone 2

2,Flammable gas and steam class: IIA, IIB

3,Temperature group: T1~T4/T5

4,Locations containing corrosive gas.

5,Suitable for locations needing higher explosion-proof request.

Features

The product is made up of safety-increased type shell and inside flame-proof type button.

The safety-increased type shell is formed by casted ABS plastic.The flame-proof type button is shaped by pressing 4220 melocol arc-proof plastic.

The junction of shell adopts rubber seal ring to seal.

The product has aesthetic appearance, impact structure, perfect corrosion-proof and water-proof and dust-proof performance.

Two- group contacts for each button can work simultaneously.

The cable wiring.

Main standards

GB3836.1-2000. ?GB3836.2-2000. GB3836.3-2000. Which are equivalent to IEC60079-0. IEC60079-1. IEC60079-7. EN50014. EN50018. EN50019.

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Main technical parameter
Type button number contact number mark LA5821-1 1 1NC+1NQ start LA5821-2 2 2NC+2NQ start,stop LA5821-2 3 3NC+3NQ stop,front,back(left,right)
rated voltage (V) rated current (A) protection grade Ex-mark corrosion-proof grade inlet thread cable ‘s outer diameter (mm) AC380 5 IP65 Exed II CT6 WF2 G3/4   ø 10-  ø 15

LA5821 explosion-proof corrosion-proof control button (IIC)