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B-02-1 LD-FBJX Series Explosion-proof Junction Box (Ex d IIB / DIP)
B-02-1 LD-FBJX Series Explosion-proof Junction Box (Ex d IIB / DIP)
B-02-1 LD-FBJX Series Explosion-proof Junction Box (Ex d IIB / DIP)
B-02-1 LD-FBJX Series Explosion-proof Junction Box (Ex d IIB / DIP)
B-02-1 LD-FBJX Series Explosion-proof Junction Box (Ex d IIB / DIP)
B-02-1 LD-FBJX Series Explosion-proof Junction Box (Ex d IIB / DIP)
B-02-1 LD-FBJX Series Explosion-proof Junction Box (Ex d IIB / DIP)
B-02-1 LD-FBJX Series Explosion-proof Junction Box (Ex d IIB / DIP)
B-02-1 LD-FBJX Series Explosion-proof Junction Box (Ex d IIB / DIP)
B-02-1 LD-FBJX Series Explosion-proof Junction Box (Ex d IIB / DIP)
B-02-1 LD-FBJX Series Explosion-proof Junction Box (Ex d IIB / DIP)
B-02-1 LD-FBJX Series Explosion-proof Junction Box (Ex d IIB / DIP)

B-02-1 LD-FBJX Series Explosion-proof Junction Box (Ex d IIB / DIP)

The LD-FBJX (Ex d IIB / DIP) is a premium flameproof explosion-proof junction box manufactured by LD Electric. It is specifically designed for hazardous areas involving IIC gas groups and combustible dust, suitable for Zone 1 and Zone 2 environments. The unit is used for the connection and distribution of power, lighting, and control circuits. Its core design adopts a flameproof protection type (Ex d) with IIC classification, providing a higher level of explosion protection for more demanding hazardous atmospheres.

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1.Applications

  • Suitable for Zone 1 and Zone 2 hazardous gas atmospheres, Group IIA and IIB, and/or Zone 20, Zone 21 and Zone 22 combustible dust atmospheres.
  • Temperature class：T1–T4 (T6 optional).
  • Suitable for indoor and outdoor use (IP66).
  • Intended for use in hazardous locations such as chemical plants, refineries, oil and gas production facilities, offshore oil platforms, oil tankers, and defense industry installations, for connection and branching of lighting, power distribution, and control circuits.

2.Features

  • The explosion-proof junction box is designed and manufactured in strict accordance with GB/T 3836.1 Explosive Atmospheres  Part 1：Equipment – General Requirements, GB/T 3836.2 Explosive Atmospheres – Part 2：Equipment Protection by Flameproof Enclosure “d”, and additionally references GB/T 3836.31 Explosive Atmospheres – Part 31：Equipment Dust Ignition Protection by Enclosure “t”.
  • Material：Carbon steel or stainless steel, precision-formed by argon-shielded welding.
  • Surface treatment：Coating (powder coating) or chemical treatment.
  • Cable entry/exit：Equipped with certified explosion-proof cable glands.
  • The direction and specifications of cable entries and exits can be designed in accordance with customer requirements.
  • Special instructions for use：Cable glands or stopping plugs installed with this product shall be suitable for the corresponding explosion protection type and shall hold a valid CCC certificate.
  • The flameproof joints are not intended to be repaired.

Enclosure Overall Dimensions and Related Parameters

Design No.

Enclosure Overall Dimensions

Rated Current

Maximum Power Dissipation

Ⅰ

250×250×140

≤40A

20W

Ⅱ

350×350×170

≤63A

34W

Ⅲ

450×450×200

≤200A

226W

Ⅳ

550×550×250

353W

Ⅴ

650×650×280

488W

Ⅵ

700×700×300

683W

4.Performance Display

（1）

Longdian Contract No.: 26-4-27LD-C-180追1

LD-FBJX Series Explosion-Proof Junction Box (Ex d IIC / DIP) – Flameproof Type

（2）

Longdian Contract No.: 26-04-07LD-C-158

LD-FBJX Series Explosion-Proof Junction Box (Ex d IIC / DIP) – Flameproof TypeLD-FBJX Series Explosion-Proof Junction Box (Ex d IIC / DIP) – Flameproof Type

（3）

Longdian Contract No.: 26-03-19LD-C-120-L

LD-FBJX Series Explosion-Proof Junction Box (Ex d IIC / DIP) – Flameproof TypeLD-FBJX Series Explosion-Proof Junction Box (Ex d IIC / DIP) – Flameproof Type

（4）

Longdian Contract No.: 25-12-17LD-C-570

LD-FBJX Series Explosion-Proof Junction Box (Ex d IIC / DIP) – Flameproof TypeLD-FBJX Series Explosion-Proof Junction Box (Ex d IIC / DIP) – Flameproof Type

Longdian Contract No.:26-05-12LD-C-214

B-02-1 LD-FBJX Series Explosion-proof Junction Box (Ex d IIB / DIP)B-02-1 LD-FBJX Series Explosion-proof Junction Box (Ex d IIB / DIP)

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B-02-2 LD-FBJX Series Flameproof Junction Box (Ex d IIC / DIP)

LD-FBJX Series explosion-proof junction boxes (dⅡC/DIP) are self-developed and manufactured by Tianjin Long Dian Electric Engineering Co., Ltd. This product realizes dual protection of gas explosion-proof (dⅡC) and dust explosion-proof (DIP). It serves as a safe transition and wiring unit for power cables and signal cables in hazardous sites. The robust sealed structure effectively stops flammable gas, combustible dust from igniting via internal electrical sparks, widely applicable to chemical, petroleum, mining, metallurgy and other explosive dangerous environments for circuit shunting and connection.

Learn More
B-02-2 LD-FBJX Series Flameproof Junction Box (Ex d IIC / DIP)

+86 186 9804 2162

8618698042162

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