BLX5 Explosion-Proof Limit Switch (Ex d IIC / DIP)
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Explosion Protection: Ex d IIC T6 Gb / Ex tD A21 IP66 T80°C
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Suitable for Zone 1, Zone 2, Zone 21 & Zone 22
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Protection Grade: IP66
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Anti-corrosion Grade: WF1
Product Overview
The BLX5 Explosion-Proof Limit Switch is designed for safe position detection and control in hazardous industrial environments where explosive gases or combustible dust may be present.
Manufactured with a rugged die-cast aluminum alloy enclosure, this flameproof limit switch ensures reliable operation in harsh conditions such as oil & gas facilities, chemical plants, offshore platforms, and industrial automation systems.
It is suitable for Zone 1 & Zone 2 gas environments and Zone 21 & Zone 22 dust environments, covering explosion gas groups IIA, IIB, and IIC.
Application
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Oil & gas extraction facilities
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Chemical and petrochemical plants
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Offshore platforms and marine installations
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Pharmaceutical manufacturing lines
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Industrial automation hazardous areas
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Conveyor systems and machine safety detection
Technical Parameters
| tem | Specification |
|---|---|
| Explosion Marking | Ex d IIC T6 Gb / Ex tD A21 IP66 T80°C |
| Rated Voltage | AC220V / AC380V |
| Rated Current | 10A |
| Protection Grade | IP65 |
| Anti-corrosion Grade | WF1 |
| Cable Entry | G1/2″ |
| Cable Diameter | Φ6 – Φ12 mm |
| Contact Configuration | 1NO + 1NC |
| Enclosure Material | Die-cast Aluminum Alloy |
| Standards | GB3836 / IEC Explosion Standards |
Features
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Die-cast aluminum alloy housing with electrostatic powder coating
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Reliable explosion-proof structure with flexible actuation
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Multiple actuator types for different industrial applications
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Supports both cable wiring and steel conduit wiring
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Stable contact performance with long mechanical life
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Suitable for outdoor and corrosive environments
Outline & Mounting

Model Designation

Product Selection Table
| Model | Description |
|---|---|
| BLX5-D | Single lever actuator |
| BLX5-L | Roller plunger actuator |
| BLX5-S | Double lever actuator |
| BLX5-Z | Standard plunger actuator |
| BLX5-N | Flexible rod actuator |
| BLX5-K | Adjustable actuator type |
Why Choose Ex-ZS for Explsion Proof Electrical Equipments
Direct Manufacturer
Fast Sampling & Stable Delivery
Strict QC System
Get Custom Explosion-Proof Solutions in 24 Hours
Send us your drawings or application details — our engineers will respond within 24 hours.
Frequently Asked Questions
What’s your company main products?
The main business is to provide customers with Explosion Proof LED Lights, Explosion-Proof Electrical Equipment,Explosion-Proof & Anti-Corrosion,Explosion-Proof Conduit Fittings.
How about the price of the product?
We are a manufacturer, we mainly provide customized services for our customers, and we believe that our prices have enough advantages.
What does the customization service contain?
Customization is available for selected products. Our main customizable products include explosion-proof control stations, distribution boxes, and other explosion-proof electrical equipment. Customization may include configuration, size, cable entries, control components, and special project requirements.
Can we get the sample? Is it free?
Yes, we could offer the general box sample for free charge,but need you pay the express. The freight depends on weight, packing size and your country or province region, etc.
What’s about MOQ?
First order MOQ=1pcs.
How can I get product catalogs?
You can get the catalogs by contacting us.
How to order our product?
1.Please tell us the model and quantity and other request you need.
2.We make the PI for you.
3.After you confirm the PI, we arrange the order for you after receiving your payment.
4.After the goods finished, we send the goods out to you and tell you the tracking number.
5.We will track your goods until you receive the goods.
How about the after-sale service?
If you meet any problems after sales, pis contact us freely, we’ll help solving the problems within 24 hours.
What’s the payment term?
100% T/T (large order, accept 30% T/T prepay 70% balance before shipping), Western Union, Paypal.





