JN15-12/31.5(ES1-10/31.5)Indoor earthing switch
Product definition

Introduction
JN15-12/31.5 series indoor earthing switch is a new desig which as is improved on the ESI type,suitable with electric power system with 3-I2KV, Three-phase, AC 50I60IH乙 support with various kinds of HV switchgear and as earthing protection. It is complied with GB1985-2004 and IEC129 standard.
Working condition
1. Ambient temperature:-10°C -+40°C
2. Altitude:1000m (sensor height:140mm)
3. Relative humidity: Day average relative humidity w 95% Month average relative humidity w <90%
4. Earthquake intensity: w 8degree
5. Dirtiness degree: II
Mainly technical parameters
Item |
Unit |
Data |
|
|
Rated voltage |
KV |
12 |
|
Rated short time withstand current (thermal stability) |
KA |
31.5 |
|
Rated short circuit withstand time |
S |
4 |
|
Rated short circuit making current |
KA |
80 |
|
Rated peak withstand current (dynamic stability) |
KA |
80 |
Rated insulation leve |
Rated short time power frequency withstand voltage |
KV |
42 |
Rated lightning impulse withstand voltage |
75 |
||
|
Machinery Life |
time |
2000 |
◎ JN15-12/31.5 earthing switch(ES-10/31.5) Outline and installation dimension

Copper terminal block

Hole location diagram

Specification |
E |
F |
G |
H |
D |
C |
JN15-12/31.5-165 |
165 |
75 |
160 |
565 |
426 |
|
JN15-12/31.5-18O |
180 |
75 |
160 |
595 |
456 |
|
JN15-12/31.5 – 200 |
200 |
75 |
160 |
635 |
496 |
|
JN15-12/31.5—21O |
210 |
75 |
160 |
655 |
516 |
|
JN15-12/31.5-220 |
220 |
75 |
160 |
675 |
536 |
|
JN15 12/31.5 230 |
230 |
75 |
160 |
695 |
556 |
96 |
JN15-12/31.5-250 |
250 |
75 |
160 |
735 |
596 |
96 |
JN15-12/31.5-275 |
275 |
75 |
185 |
810 |
646 |
96 |
Order notes indicate product specification, central distance between poles, if the electric display device(type ot me display needed or not Please note the soft link length when ordering (normal L=250mm).
Please consult with us if you have any special request.