KSG series mine explosion-proof transformer

Product display 1. Scope and use: KSG-2.5, 4.0/0.66 type mine explosion-proof dry type transformer (hereinafter simply referred to as transformer) is suitable for the explosion of biogas coal dust under coal mine Danger dangerous places. In the AC 50Hz / voltage to 660V power supply line / 127V power supply for coal drills. Transformer according to GB3836.1-83 "General requirements for explosion-proof electrical equipment for explosive atmospheres" GB3836.2-83 "explosive environment explosion-proof electricity Gas equipment explosion-proof electrical equipment "d"" and other related standard design. Manufacturing and inspection. 2. Main technical parameters:
Capacity
KVA
Rated voltage V
Rated current A
Load loss
W
Load loss
W
No-load current
A %
Impedance voltage
V %
primary
Secondary pole
primary
Secondary pole
 
2.5
660
133
2.19
10.85
 
45
 
81
 
14
 
4
380
127
3.80
11.38
 
4.0
660
133
3.50
17.35
 
55
 
125
 
12
 
4
380
127
6.06
18.90
 

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