Explosion-Proof Distribution Box (Load Isolation Switch 125A/180A)

ATEX Certification: IMQ 19 ATEX 003 X

II 2G Ex db eb ia or ib mb IIC or IIB T5/T4/Gb

Zone 1 and Zone 2

Zone 21 and Zone 22

 

 

KA1390* series explosion-proof safety switches (Ex e stainless steel Enclsure box) are used in extremely hazardous areas.

With features of high corrosion protection, water-proof and dust-proof, they can meet the requirements in chemical, petrochemical and marine industries.

Separately certified Ex load isolation switch module (U certification) is mounted insie, It can be used to disconnect the power when there is maintenance, clean and repair in the circuit with frequency AC50/60Hz, rated voltage 230-690V, rated current 16-180A

• Switch is with interlock with is in the state of lock in, the switch is not turn on.
• Operation handle with padlock device.
• Switch with black operation handle is standard type, and switch with Red/Yellow operation handle is emergency stop type.
• Degree of protection IP66
• ATEX Europe certification.

Ambient temperature:

-40℃/-20℃≤Ta≤+55℃

Degree of protection: IP65

Rated Current: Max to 180A

Terminal:

125A 1x50mm²/70mm²

180A 1x120mm²

Utilization category: AC-23, AC-3

Caacity of Switch:

230V/180A

400V/180A

500V/150A

690V/125A

Rated insulation voltage (Ui): 800V

Rated impulse withstand voltage (Uimp): 6kV

Rated short-time marking capacity (Icw): 10kA

Rated short-time marking capacity (Icm): 17kA

Short-circuit protection of fuse: 500V/250A

Protection characerstic of fuse: gG

Material of Enclosur:

GRP (Anti-static glass fibre reforced polyester SMC)

304/316 Stainless steel

on the surface of wire drawing processing