Product Description

This series of station-class zinc oxide surge arresters is manufactured in strict accordance with IEC standards. Their primary function is to absorb lightning impulses, switching overvoltages, and system transient overvoltages, effectively protecting critical substation equipment from insulation breakdown and damage.

Designed specifically for high-voltage substations, main transformers, and busbar systems, these units serve as critical primary overvoltage protection equipment for the power grid.

Internally, station-class zinc oxide surge arresters features a precision-stacked assembly of high-energy zinc oxide resistor blocks, offering high discharge current capacity and superior energy absorption capabilities; the arrester maintains stability and performance without degradation, even after enduring multiple surges during long-term operation.

The exterior utilizes High-Temperature Vulcanized (HTV) silicone rubber, a material capable of withstanding harsh substation environments - including coastal salt spray, heavy industrial pollution, and high-temperature/high-humidity conditions. It offers excellent hydrophobicity, aging resistance, UV resistance, and outstanding resistance to pollution flashover.

Compared to traditional porcelain-housed arresters, this product is lighter and offers superior shatter and impact resistance, significantly enhancing safety during transportation, installation, and operation.

station-class zinc oxide surge arresters comes standard with a pressure-relief and explosion-proof structure. In the event of an internal fault, the device enables controlled, directional pressure relief, preventing housing rupture and the scattering of debris, thereby ensuring the overall operational safety of the substation.

Optional configurations include a discharge counter and an online leakage current monitoring device. These units monitor the arrester's operating status and record discharge events in real-time, facilitating intelligent inspections and the early detection of potential equipment hazards, which greatly improves the reliability of substation operation and maintenance.

Main Technical Parameter

Item NO	HY5WS	Place of origin	China
Performance	Protect the circuit	Material	Metal /Plastic
Quality	100% test	Size	0.1cbm
Supply mode	Factory direct supply	MOQ	3pcs
Supply ability	10000pcs	Delivery time	20 days
Certification	CE ROHS ISO test report	Packing	Carton box

Type	Rated voltage (KV)	MCOV (KV)	Steep current impulse	Switching current impulse	Lighting current impulse	2000μs square wave impulse current withstand	4/10μs high current impulse
HY10W‑3	3	2.55	9.5	7.7	9	1	100
HY10W‑6	6	5.1	19.0	15.4	18	1	100
HY10W‑9	9	7.65	28.5	23.1	27	1	100
HY10W‑12	12	10.2	38.0	30.8	36	1	100
HY10W‑15	15	12.7	47.5	38.5	45	1	100
HY10W‑18	18	15.3	57.0	46.2	54	1	100
HY10W‑21	21	17.0	66.5	53.9	63	1	100
HY10W‑24	24	19.2	76.5	61.6	72	1	100
HY10W‑27	27	21.9	85.5	69.3	81	1	100
HY10W‑30	30	24.4	95.0	76.5	90	1	100
HY10W‑33	33	26.8	104.5	84.7	99	1	100
HY10W‑36	36	29	114.0	91.4	108	1	100
HY10W‑42	42	34.1	133.0	100.1	126	1	100
HY10W‑48	48	39	152.0	126.0	150	1	100
HY10W‑54	54	43	171.0	139.0	162	1	100
HY10W‑60	60	48	208.0	160.0	180	1	100
HY10W‑66	66	52.8	230.0	172.0	198	1	100

Our Product Advantage

1. Utilizes a high-energy zinc oxide varistor core with stable residual voltage characteristics, providing reliable protection for core substation equipment such as main transformers, GIS (Gas-Insulated Switchgear), and busbars.

2. Features HTV (High-Temperature Vulcanized) silicone rubber external insulation, offering excellent hydrophobicity, pollution resistance, and UV stability; suitable for harsh operating environments, including areas with salt spray or heavy pollution.

3. Complies with IEC standards and undergoes independent factory testing to ensure reliable quality.

4. Comes standard with a directional pressure-relief design; the specialized housing structure prevents component fragmentation during a fault, ensuring operational safety within the substation.

5. Specifications (such as creepage distance and discharge capacity) can be flexibly adjusted to meet the requirements of high-altitude or heavily polluted environments; customized packaging solutions are also available.

6. Factory-direct supply ensures stable delivery schedules; comprehensive technical and equipment support is provided for overseas projects.

Operating Environment Conditions

01/

High-energy-handling MOV components provide reliable voltage control, ensuring long-term operational reliability under the demanding conditions of substations.

02/

With superior energy-handling capabilities, the unit effectively suppresses overvoltages caused by lightning surges and switching operations.

03/

Featuring a one-piece molded silicone rubber housing, it offers excellent resistance to pollution, aging, and heat, making it suitable for harsh outdoor environments.

04/

An explosion-proof design ensures safety and reliability during fault conditions, completely eliminating the risk of explosion.

05/

Supports online monitoring and operation counting, facilitating efficient operation, inspection, and maintenance.

06/

Suitable for high-voltage levels such as 33kV, 66kV, 110kV, and 220kV; additionally, specifications can be customized to meet project requirements for high-altitude or heavily polluted areas.

Shipment

FAQ

Q1: What product series of surge arresters are available?

A1: We offer distribution-class and station-class composite-housed surge arresters, as well as porcelain-housed surge arresters. Voltage ratings cover 11kV, 33kV, 66kV, 110kV, and 220kV. Optional accessories include disconnectors, fault indicators, discharge counters, and high-voltage grading rings.

Q2: Can surge arresters be customized according to technical specifications?

A2: Yes. Our engineering team can customize parameters such as rated voltage and creepage distance to suit operating conditions like high altitudes or heavy pollution. For bulk orders, we support neutral packaging and customized labeling.

Q3: What standards do the products meet? Can you provide certificates and test reports?

A3: Our surge arresters are manufactured and tested in strict accordance with IEC standards. We can provide factory test reports and relevant certificates for tendering and on-site acceptance.

Q4: What are the payment terms?

A4: The standard term is a 30% down payment; payment methods can be negotiated after establishing a long-term cooperative relationship.

Q5: What is the delivery lead time?

A5: Our factory has a monthly production capacity of 200,000 units. The standard lead time is 15 working days after receipt of the deposit; priority production can be arranged for urgent orders.

Q6: Can samples be provided before placing a bulk order?

A6: Yes, samples are available. The lead time for samples is 7–10 days, and the customer bears the shipping costs; the sample fee can be refunded once the formal order reaches the agreed quantity.

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