JJDF cable branch box

JJDF  cable branch box 

Description

1.Splice box is made by flame retardant ABS resin material injection molding

2.Flame retardant, anti-aging, corrosion resistance, impact resistance, insulation

3.the box has convection air vents, vent the grid structure, has the good ventilation cooling performance

Technical parameters

rated operational voltage:380/220V

Rated insulation voltage:660V   50HZ(60HZ)

Rated impulse withstand voltage Uimp:6KA

Service entrance current(A/cross sectionmm2): 100/25,150/50,250/120,300/150,400/240   

power frequency withstand voltage: 3000V/1min 

operating temperature:-40°C~+160°C

Between the terminal and insulation resistance: Not less than 40MΩ

Material group:IIIa

class of pollution:Level 3

electric clearance: Not less than 5.5mm

Creepage distance: Not less than 6.3mm

circuit number of outgoing line:2-18

The wire loop current rating:6-63A

Rated dispersion coefficient:0.7

Enclosure protection class:IP 32