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Explosion-proof limit switch
Explosion-proof limit switches are widely used in flammable and explosive places such as food, textile, metallurgy, petrochemical, coal mine, military industry, etc. They can realize automatic control or safety protection of equipment such as pumps, fuel dispensers, positive pressure cabinets, mechanical devices, etc. When used, explosion-proof switches need to be installed in the equipment system with a shell protection device.
Classification:
Detailed introduction
1. Overview:
Explosion-proof limit switches are widely used in flammable and explosive places such as food, textile, metallurgy, petrochemical, coal mine, military industry, etc. They can realize automatic control or safety protection of equipment such as pumps, fuel dispensers, positive pressure cabinets, mechanical devices, etc. When used, explosion-proof switches need to be installed in the equipment system with a shell protection device.
二、Explosion proof signs：ExdbⅡCT6 Gb ; Ex tbIIIC T80℃ D
三、 Model Description
四、Technical parameters:
1. One set of normally open and normally closed contacts, or two sets of normally open contacts.
2. Contact capacity: AC 250V 10A
DC 30V 2A
3. Mechanical stroke: 1.5mm.
4. Cable diameter: 3×0.75 mm2, or 4×0.75 mm2.
5. Mechanical life: 2×106 times.
6. Switching frequency: 1000 times/h.
5. Working environment temperature: -20℃～﹢60℃
6. Dimensions:
Figure 1
FBK-251 explosion-proof limit switch one set normally open and one set normally closed
Figure 2
FBK-252 explosion-proof limit switch two sets of normally open
Figure 1 shows a set of normally open and normally closed contacts of an explosion-proof switch, and Figure 2 shows two sets of normally open contacts of an explosion-proof switch
七、Installation and use:
When installing the product, be careful not to use excessive force. The tightening torque is 0.6Nm. The product is installed in a protective housing.
八、Ordering Instructions：
1. When placing an order, the user should specify the switch model of the explosion-proof limit switch. The standard wiring length is 500mm when leaving the factory.
2. The normal delivery time is 5-7 days. If you have requirements for the delivery time, please communicate in advance.
3. If the user has special requirements, it can be negotiated separately.
4. Zhangheng brand explosion-proof limit switch is an independently developed product and can be customized by customers.
The figure below is the explosion-proof certificate obtained by Nanyang Huaye Explosion-proof Instrument Co., Ltd. for the explosion-proof limit switch, Ex d IIC T6, IP67 dust and water resistance level, higher applicability
Key words:
Explosion-proof limit switch
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Nanyang Huaye Explosion Protected Instrument Co., Ltd.
Professional manufacturer of explosion-proof temperature meters and temperature sensors and suppliers of motor supporting instruments
Professional manufacturer of explosion-proof temperature instruments and temperature sensors, as well...
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E-mail:abc@huayex.com
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