The standard diameter of front neck for explosion-proof panel back and board front module is 30mm. Thickness of installing panel should be 1-6mm. board front module are mounted in a 35mm rail. board back module are connected to the pre-mounted front operation head with a clamp. The terminals are attached to board back and board front module. board back and board front explosion-proof module should installed in the increased safety enclosure which the protection degree is up to IP57.A large number of versions of actuating elements are available for the button and indicator units LED light source is used in explosion-proof signal lamp of board back and board front module type, and thermal switch is also build-in. There are five color available.

   ● The laser mark of button are never fade.

   ● Rated current of explosion-proof switch is 16A, and it is mechanical life is 2,000,000 times.

   ● The features of explosion-proof signal lamp are high brightness, long life, and its electric life is more than 300,000 hours.

Model Explanation

Technical parameter

Ex mark	Ex II 2G Ex de II C
Application	zone 1 and zone 2
Ambient temperature	-60℃≤Ta≤55℃
Degree of protection	IP67
Rated voltage	250V	250V	110V	24V
Category	AC12	AC15	DC13	DC13
Rated current	16A	10A	0.5A	1A
Ambient temperature	Ta≤40℃	Ta≤60℃	Ta≤60℃	Ta≤60℃
Mechanical life	2,000,000 times
Board front type mouting	DIN-rail TS35 x7.5
Board back type mounting	On 1-6mm panel
Standard	Standard

Application

1. Hazardous areas: Zone 1&2 or zone 20、 21、 22;

2. Explosive gas atmosphere: class IA. IIB. IIC;

3. Flammable dust atmospheres;

4.Strong corrosive gas environment;

Features

1. The shell is made by customized engineering plastics.

2. The internal springs are treated anti-aging. Screw and spring washer are anti-knock, and shake proof.

3. This product should be used together with increased safety enclosure or explosion-proof box,can't be used separately.

Specifications

 

Dimension

Packaging & Shipping