Products

Home
Products
JN17-12/50 Earthing Switch 3-10kV Power System Modular Design High Voltage Switchgear Protection

JN17-12/50 Earthing Switch 3-10kV Power System Modular Design High Voltage Switchgear Protection

JN17-12/50 series (previously JN15-12/750) earthing switch is a newly designed and improved product based on the ES1 model. The structure is modular and suitable for power systems with 3-10kV, three-phase AC at 50/60Hz. lt serves as an earthing protection device and can be used in various types of high-voltage switchgear. The product complies with GB985-2004 and lEC129 standards.

Free Quote

Share to:

Product definition

Working Condition

Ambient temperature:-10°C-+40°C;
Altitude: ≤1000m;
Relative humidity: Daily average ≤ 95%,
Monthly average ≤ 90%
Earthquake intensity:≤ 8 degree;
Dirtiness degree: ll.

Technical Parameters

No.	Item		Unit	Data
1	Rated voltage		KV	12
2	Rated short time withstand current		KA	50
3	Rated short circuit withstand time		S	4
4	Rated short circuit making current		KA	100
5	Rated peak withstand current		KA	80
6	Rated insulation level	1min power frequency withstand voltage	KV	42
6	Rated insulation level	Lightning Impulse withstand voltage	KV	75
7	Mechanical life		TIMES	2000

Installation drawing and hole location diagram

Specification	E	F	G	H	D
JN17-12/50-210	210	50	185	655	516
JN17-12/50-220	220	50	185	675	536
JN17-12/50-230	230	50	185	695	556
JN17-12/50-250	250	50	185	735	596
JN17-12/50-275	275	50	210	810	646

Order notes:

Please indicate the product specifications and the central distance between poles.

Please confirm whether the electrical display model number is required.

Note the soft link length when ordering (normal length =250mm).

If you have any special requests, please consult us.

Leave Your Message

Related Products

JN15-12/31.5 Indoor Earthing Switch 3 12kV AC 50 60Hz HV Switchgear Protection

JN17-12/40 Indoor High Voltage Earthing Switch 3 10kV AC 50 60Hz Improved ES1 Type

JN17-12/50 Earthing Switch 3-10kV Power System Modular Design High Voltage Switchgear Protection

12kV Indoor High Voltage Switchgear EK6-12/31.5 Lightning Protection Earthing Disconnect Switch 31.5kA

Custom Switchgear Manufacturer | OEM & Solutions - Eberry Electric

Eberry Electric Your trusted partner for custom switchgear. ISO, IEC, CE certified. With over 10 years of OEM/ODM experience, we provide tailored solutions for global projects. Get a competitive quote and expert support.

Get a Custom Quote

Download Product Catalog

Process Custom Solution

You share your technical requirements, application needs, and any special standards.
Our engineering team reviews and creates a solution. We provide a detailed proposal with CAD drawings (if needed) and a competitive price within 48 hours.
We produce a sample unit for your evaluation and testing. Your satisfaction is confirmed before mass production.
Upon your approval, we commence manufacturing with rigorous in-process and final quality inspections.
We handle global logistics and provide continuous after-sales support, documentation, and spare parts supply.

Why Eberry Electric is Your Smart Choice for Critical Power Equipment

Deep Engineering Expertise

10 in-house R&D engineers focus on innovation and solving complex application challenges. We don't just sell products; we provide technical solutions.

End-to-End Quality Assurance

From raw materials to final shipment, every step is controlled under strict ISO 9001 standards. All products undergo 100% routine testing and type tests.

Proven Global Partner

Our products are trusted in over 20 countries. We understand the diverse standards and requirements of different markets.

Agile and Responsive Service

Experience our "fast team response". Get technical support and quotes within 24 hours, not weeks. Flexible for both large projects and small batches.

Global Standards Compliance

Our commitment to quality and safety is verified by internationally recognized institutions. This ensures our products meet the highest global standards for performance and reliability.

Your Questions, Answered

What is the lead time for custom and standard orders?

For standard models, lead time is typically 15-30 days. For custom solutions, prototype development takes 4-6 weeks, and bulk production takes 8-12 weeks.

What information do I need to provide to get a quote?

Please provide Rated Voltage, Rated Current, Short-Circuit Breaking Current, Mechanical Life Requirements, Operating Environment, and any special dimensions or interface needs.

Can you provide products according to our drawings?

Absolutely. We have extensive ODM/OEM experience. We can manufacture products based on your technical drawings and specifications.

How do you ensure product quality?

We have a full set of in-house testing equipment, including mechanical operation testers, impulse voltage testers, and micro-resistance testers. Every unit is tested before shipment.

Other Services Provided by Eberry Electric

Products