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 50I60IHSecondsupport 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
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) | THE | 31.5 | |
| Rated short circuit withstand time | S | 4 | |
| Rated short circuit making current | THE | 80 | |
| Rated peak withstand current (dynamic stability) | THE | 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 | AND | 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 notesdndicate product specification, central distance between poles, if the electric display device(type ot me displaylneeded or not Please note the soft link length when ordering (normal L=250mm).
Please consult with us if you have any special request.
