
The disconnect switch / isolating switch, single phase or three phase with manual operation mechanism is used for opening and closing loading current to protect the outdoor distribution overhead line, transformer, cable connector and electric equipment.
Products are completely in accordance with IEC 62271-102:2001 standard.

Product parameters
Electrical characteristics | Specification | |
Rated voltage of Disconnector | 12 | 36 |
Rated current | 630 | |
Rated frequency | 50 | |
Lighting Impulse withstand voltage | 95 | 170 |
Power frequency withstand voltage in 1 min (Dry) | 42 | 70 |
Power frequency withstand voltage in 10 s (Wet) | 36 | 60 |
Rated short circuit withstand current | 20 | |
Rated short circuit withstand time | 3 | |
Rated peak withstand current | 50 | |
Creepage | 25 | 20 |
Blade stopped degree in opening position | 160 | |
Mounting bracket | with/without | |
Terminal clamp | with/without | |
Loadbuster Hook | with/without | |
Self locking Mechanism | with | |
Terminal pads | Brass/Copper plated by silver | |
Blade | Copper plated by siliver | |
Insulator | Porcelain / Polymer | |
Channel Base | Steel hot galvanized | |
Operating eye | Steel hot galvanized | |
Qty/package | 1 | |
Environment maximum temperature | 40 | |
Pollution level | Heavy | |
Altitude | ≤1000 | |
Standard | IEC 62271-102:2001 |



√ Blade
Two piece of blade made by copper with silver plated
√ Terminal pad
Copper with silver plated
√ Latch design
Self-lock mechanism
√ 100% routine tested for below test items
Power frequency withstand voltage 1 min, Dry


As one of the earliest professional manufacturers in China for fuse cutouts, surge arresters, isolating switches, porcelain and polymer insulator and other electrical protection apparatus in China, we've passed ISO certificate (by DEKRA Certification GmbH Stuttgart) and fuse cutouts are tested by CESI, Italy and KEMA, Surge arrester are tested by KEMA also. The scope of business activities includes the production and sale of these electric apparatus.
Our company has strong research and development capabilities for customization requirements for our customers. We've designed more than one hundred designs of fuse cutout for customers from different countries; Such as Kenya, South Africa, Morocco, Thailand, Korea, Pakistan, Saudi Arabia, The USA, etc. And same as Surge arrester, isolating switch, porcelain & polymer insulator, and electrical fittings. We believe we can give you most suitable products for your installation request and match the specification of your country.



Our Advantages | Our company -- More than 40 years of production experience. |
New plant covers an area of 36216m2; employs 220 staffs. | |
Continuous improvement and perfection of products. | |
10~38KV voltage level products selection. | |
100~300A current level products selection. | |
High productivity, large spare parts inventory. | |
CESI certificate and more laboratory test certification. | |
Sample order available. |


Q1: How about the performance of your surge arresters?
A: We use reliable material from our supplier and each batch material have qulified certificate. And the assemblied product also 100% tested before package.
Q2: Can we customize the surge arresters according to our drawing/design?
A: Yes, we accept customized order, but the quantity needs to reach at 1000pcs if the mold fee are beared by you. For mold fee beared by us, the quantity need to reach to a large one.
Q3: What kind of certificate of the surge arrester you have?
A: We have KEMA etc.
Q4: What is MOQ of the surge arrester?
A: The MOQ of the surge arrester is 1 piece for sample.
Q5: What is the warranty for the surge arrester?
A: For the all surge arrester, we offer 2 years warranty for free.
Q6: What is the terms of payment?
A: T/T, L/C,western union, trade assurance or cash; 30% for deposit, the balance 70% before shipment.
Q7: What is the delivery time?
A: 3 work days with stock after receiving the payment. No stock, 20 work days after receiving the payment.