Explosion-proof Waterproof Price Electric Junction Box HD51
Series-UL Certified
The EX-HD51-X-X-X series junction boxes intend to be used for
explosive atmospheres.
For general wiring in hazardous locations.
Copper free aluminum enclosure.
Ex d type flameproof enclosure.
Four types of enclosures available.
The degree of protection is IP66.
IECEx Certification For EX-HD51-A1, A2A, A2B, A3,A4, A5, B3, B3A,
C4A, C4B, C6, C8, KB1 series junction box:
Ex db IIC T6/T5 Gb (Except EX-HD51-KB1/*), Ex db IIB+H2 T6/T5 Gb
(EX-HD51-KB1/*), Ex tb IIIC T80℃/T95℃ Db
ATEX Certification For EX-HD51-A1, A2A, A2B, A3,A4, A5, B3, B3A,
C4A, C4B, C6, C8, KB1 series junction box:
II2 GD Ex db IIC T6/T5 Gb (Except EX-HD51-KB1/*) Ex db IIB+H2 T6/T5
Gb (EX-HD51-KB1/*) Ex tb IIIC T80°C/T95°C Db
Rated Voltage :Max.800VAC
Rated Current:24A, 27A, 32A, 41A
Ambient Temperature:-60℃ to + 55℃ (-76℉ to +131℉)
Type of Flameproof Joint:Type A, B, C: Threaded joints Type KB1:
Flanged and threaded joints
The rated voltage of the junction box is 800Vac. In the final
installation, cable entry amounts and terminal information shall
comply with following table:
| Model | Teminal Spec. | Number of Teminal Block | Cable Entry Spec. | Cable Entry Amount |
| EX-HD51-A | 2.5mm²/24A | Max.5 | 1/2NPT/M20*1.5 | Max.5 |
| 2.5mm²/24A, 4mm²/32A | 3/4NPT/M25*1.5 |
| Model | Teminal Spec. | Number of Teminal Block | Cable Entry Spec. | Cable Entry Amount |
| EX-HD51-B | 2.5mm²/24A | Max.5 | 1/2NPT/M20*1.5 | Max.5 |
| 2.5mm²/24A, 4mm²/32A | 3/4NPT/M25*1.5 |
| Model | Teminal Spec. | Number of Teminal Block | Cable Entry Spec. | Cable Entry Amount |
| EX-HD51-B | 2.5mm²/24A | Max.12 | 1/2NPT/M20*1.5 | Max.8 |
| 2.5mm²/24A | Max.12 | 3/4NPT/M25*1.5 |
| 4mm²/32A | Max.10 | 3/4NPT/M25*1.5 |
| 6mm²/41A | Max.8 | 1NPT/M32*1.5 |
| Model | Teminal Spec. | Number of Teminal Block | Cable Entry Spec. | Cable Entry Amount |
| EX-HD51-D5 | 2.5mm²/24A | Max.5 | 1/2NPT/M20*1.5 | Max.5 |
| 2.5mm²/24A 4mm²/32A | 3/4NPT/M25*1.5 |
| Model | Teminal Spec. | Number of Teminal Block | Cable Entry Spec. | Cable Entry Amount |
| EX-HD51-D4 | 2.5mm²/24A | Max.5 | 1/2NPT/M20*1.5 | Max.4 |
| 2.5mm²/24A 4mm²/32A | 3/4NPT/M25*1.5 |
| Model | Teminal Spec. | Number of Teminal Block | Cable Entry Spec. | Cable Entry Amount |
| EX-HD51-E5 | 2.5mm²/24A | Max.12 | 1/2NPT/M20*1.5 | Max.5 |
| 2.5mm²/24A 4mm²/32A | Max.12 | 3/4NPT/M25*1.5 |
| 4mm²/32A | Max.10 | 1NPT/M32*1.5 |
| 4mm²/32A 6mm²/41A | Max.10 | 1 1/4NPT/M40*1.5 |
| Model | Teminal Spec. | Number of Teminal Block | Cable Entry Spec. | Cable Entry Amount |
| EX-HD51-E4 | 2.5mm²/24A | Max.12 | 1/2NPT/M20*1.5 | Max.4 |
| 2.5mm²/24A 4mm²/32A | Max.12 | 3/4NPT/M25*1.5 |
| 4mm²/32A | Max.10 | 1NPT/M32*1.5 |
| 4mm²/32A 6mm²/41A | Max.10 | 1 1/4NPT/M40*1.5 |
| Model | Teminal Spec. | Number of Teminal Block | Cable Entry Spec. | Cable Entry Amount |
| EX-HD51-F5 | 2.5mm²/24A | Max.12 | 1/2NPT/M20*1.5 | Max.5 |
| 2.5mm²/24A 4mm²/32A | 3/4NPT/M25*1.5 |
| 4mm²/32A | Max.10 | 1NPT/M32*1.5 |
| 4mm²/32A 6mm²/41A | 1 1/4NPT/M40*1.5 |
| 6mm²/41A | Max.9 | 1 1/2NPT/M50*1.5 |
| 6mm²/41A | 2 NPT/M63*1.5 |
| Model | Teminal Spec. | Number of Teminal Block | Cable Entry Spec. | Cable Entry Amount |
| EX-HD51-F4 | 2.5mm²/24A | Max.12 | 1/2NPT/M20*1.5 | Max.4 |
| 2.5mm²/24A 4mm²/32A | 3/4NPT/M25*1.5 |
| 4mm²/32A | Max.10 | 1NPT/M32*1.5 |
| 4mm²/32A 6mm²/41A | 1 1/4NPT/M40*1.5 |
| 6mm²/41A | Max.9 | 1 1/2NPT/M50*1.5 |
| 6mm²/41A | 2 NPT/M63*1.5 |
| Model | Teminal Spec. | Number of Teminal Block | Cable Entry Spec. | Cable Entry Amount |
| EX-HD51-KYD | 2.5mm²/24A | Max.4 | 1/2NPT/M20*1.5 | Max.4 |
| 2.5mm²/24A 4mm²/27A | 3/4NPT/M25*1.5 |
| Model | Teminal Spec. | Number of Teminal Block | Cable Entry Spec. | Cable Entry Amount |
| EX-HD51-KB1 | 2.5mm²/24A | Max.4 | 1/2NPT/M20*1.5 | Max.5 |
| 2.5mm²/24A 4mm²/27A | 3/4NPT/M25*1.5 |
Q1. How do you ship the goods and how long does it take to arrive?
A: Ship by DHL, UPS, FedEx or TNT. It takes 3-5 days to arrive.
Airline and sea shipping also optional.
Q2. Can I have a sample order for led light?
A: Yes, we welcome sample order to test and check quality. Mixed
samples are acceptable
