BBK Explosion-Proof Transformer (Ex d IIB / IIC)
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Explosion protection: Ex d e ⅡC T6 Gb/DIP A21 TA T6
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Suitable for:Zone 1, Zone 2
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Enclosure protection: IP54/55
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Anti-corrosion Grade: WF1
Product Overview
The BBK Series Explosion-Proof Transformer is designed for voltage conversion in hazardous areas where flammable gases may be present.
With a rugged die-cast aluminum enclosure and flameproof (Ex d) construction, it ensures reliable and safe operation in oil & gas, petrochemical, offshore platforms, and other industrial environments.
Available in IIB and IIC explosion groups, with multiple voltage and capacity configuration
Application
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Oil & Gas Exploration
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Petrochemical Plants
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Refineries
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Offshore Platforms
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Chemical Industry
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Gas Groups IIA, IIB, IIC
Technical Parameters
| tem | IIB Version | IIC Version |
|---|---|---|
| Applicable Standards | GB 3836.1 / 2, IEC 60079-0 / 1, EN 60079-0 / 1 | GB 3836.1 / 2, IEC 60079-0 / 1, EN 60079-0 / 1 |
| Explosion Marking | Ex d IIB T4 Gb | Ex d IIC T6 Gb |
| Primary Voltage | AC 220V / 380V | AC 220V / 380V |
| Secondary Voltage | 6.3V, 12V, 24V, 36V, 127V | 6.3V, 12V, 24V, 36V, 127V |
| Rated Capacity | 0.5 kVA / 1 kVA | 0.5 kVA / 1 kVA |
| Protection Degree | IP54 | IP55 |
| Corrosion Protection | WF1 / WF2 | WF1 / WF2 |
| Cable Entry Thread | G1″ / G3/4″ | G1″ / G3/4″ |
| Cable Diameter | Φ12–17 mm (inlet) / Φ8–14 mm (outlet) | Φ12–17 mm (inlet) / Φ8–14 mm (outlet) |
Features
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Die-cast aluminum alloy enclosure
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High-voltage electrostatic powder coating
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Suitable for cable or steel conduit wiring
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Stable voltage output
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Reliable flameproof structure
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Multiple voltage configurations available
Outline & Mounting
Model Designation
Product Selection Table
| Model | Capacity (kVA) | Primary Voltage | Explosion Group |
|---|---|---|---|
| BBK-0.5 | 0.5 | 380/220V | IIB |
| BBK-1 | 1 | 380/220V | IIB |
| BBK-0.5 | 0.5 | 380/220V | IIC |
| BBK-1 | 1 | 380/220V | IIC |
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.