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36kv High Voltage Surge Arrester for Distribution Line

Certified 36kV Polymer-Housed Surge Arrester for MV Distribution Lines - 100kA Lightning Current Withstand

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36kV Polymer-Housed Surge Arrester is an advanced overvoltage protection solution engineered for medium-voltage distribution networks (up to 36kV). Featuring a silicone rubber composite housing and zinc oxide (ZnO) varistor cores, this arrester delivers 99.5% lightning strike diversion efficiency, 50-year corrosion resistance in coastal/salt-air environments, and maintenance-free operation under extreme temperatures (-40°C to +85°C). Certified for IEC 60099-4 and ANSI/IEEE C62.11 standards, it ensures grid resilience with ≤25ns response time and residual voltages ≤90kV at 10kA discharge

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Technical & Commercial Profile

1. Design Specifications & Material Science

Parameter	Value	Standard
Rated Voltage	36 kV	IEC 60099-4
Continuous Operating Voltage	27.5 kV	ANSI C62.11
Nominal Discharge Current	10 kA (8/20μs)	IEC 60539
Steep Current Residual Voltage	≤97.5 kV (1/10μs)	GB/T 11032
High Current Impulse Withstand	100 kA (4/10μs)	IEC 60099-4
Housing Material	Silicone Rubber (CTI ≥600)	ASTM D3638

Structural Innovations:

Explosion-Proof Design: Polymer housing splits open without fragmentation during faults, eliminating collateral damage
Integrated Disconnector: Automatically disconnects from ground upon failure, triggering visual/remote alarms (red indicator)
Pollution Resistance: 1,082mm creepage distance withstands IV-level heavy contamination (e.g., coastal dust/salt)

2. Competitive Advantages vs. Alternatives

Attribute	36kV Polymer Arrester	Porcelain Arrester	Class II SPD
Weight	2.8 kg (70% lighter)	9.5 kg	0.5 kg
Failure Mode	Non-fragmenting	Shatters explosively	N/A
Lifespan	50 years	30 years	15 years
Installation	Pole-mount w/stainless lugs	Tower crane required	DIN rail snap-in
Environmental Fit	Coastal/desert ready	Limited to low-pollution zones	Indoor only

3. Target Application Scenarios

Sector	Use Case	Technical Fit
Coastal Grids	Salt-air exposed distribution	Silicone housing resists hydrolysis (IEC 60068-2-52)
Renewable Integration	Solar farm step-up transformers	100kA high current impulse withstand
Mountainous Networks	High-altitude lines (≤1,000m)	-40°C cold startup stability
Urban Substations	Compact switchgear	300mm compact height + Ø150mm footprint

4. Compliance & Quality Assurance

Global Certifications: IEC 60099-4, ANSI/IEEE C62.11, GB/T 11032, KEMA Type Tested
Testing Protocol:

5,000-hour salt spray resistance (ISO 9227)
100kA impulse current withstand (4/10μs)
Partial discharge ≤10 pC (IEC 60270)

Traceability: ZnO varistor batch-coding for surge history tracking.

36kv High Voltage Surge Arrester for Distribution Line

Zinc oxide surge arresters are a significant advancement in overvoltage protection technology. Their superior performance, lightweight design, and maintenance-free operation make them the preferred choice for modern electrical systems, including 36kV distribution lines. By effectively clamping overvoltages and dissipating surge energy, they ensure the reliability and longevity of electrical infrastructure.

General

1. Ratings:0.22~500KV (porcelain),0.22~220KV(composite)

Standards

Zinc oxide surge arresters must comply with international standards to ensure safe and reliable operation. Key standards include:

IEC 60099-4: International standard for metal-oxide surge arresters without gaps.
IEEE C62.11: IEEE standard for metal-oxide surge arresters for AC power circuits.
ANSI/NEMA LA 1: American National Standard for surge arresters.

Working Condition

System Voltage: The arrester is designed for a 36kV distribution system. It must operate continuously at the system's normal operating voltage.

Rated Voltage: The rated voltage of the arrester should match or exceed the system's maximum continuous operating voltage (MCOV).
Temporary Overvoltages: The arrester should withstand temporary overvoltages (e.g., during faults or switching) without damage.

Leakage Current:

Under normal operating conditions, the arrester allows only a very small leakage current (microamps or milliamps) due to the high resistance of the zinc oxide material.

Surge Current Handling:

The arrester must be capable of discharging high surge currents (e.g., from lightning strikes or switching surges) without degradation.
Typical surge current ratings range from 5kA to 20kA or higher, depending on the application.

Energy Absorption:

The arrester must absorb and dissipate the energy from overvoltage events without failure. This is measured in kilojoules (kJ).

Temperature Range:

Zinc oxide surge arresters typically operate in a wide temperature range, from -40°C to +60°C or higher, depending on the design and housing material.
Extreme temperatures can affect the performance and lifespan of the arrester.

Pollution and Contamination:

The arrester must withstand pollution levels in the installation environment (e.g., industrial areas, coastal regions with salt spray).
Polymer-housed arresters are particularly resistant to pollution and contamination.

Humidity and Moisture:

The arrester must be sealed to prevent moisture ingress, which can degrade its performance.

UV Radiation:

For outdoor installations, the arrester must be resistant to UV radiation, which can degrade polymer housing over time.

Altitude:

The arrester should operate effectively at the installation altitude. High-altitude installations may require derating due to reduced air density.

Key Considerations for Selection

Rated Voltage: Must match the system voltage (e.g., 36kV for your application).
Energy Absorption Capacity: Ensure the arrester can handle the expected surge energy.
Environmental Conditions: Choose polymer-housed arresters for polluted or coastal areas.
Standards Compliance: Ensure the arrester meets relevant standards (e.g., IEC 60099-4, IEEE C62.11).

Comparison with Traditional Surge Arresters

Feature	Zinc Oxide Surge Arrester	Traditional Surge Arrester
Spark Gap	No spark gap	Requires a spark gap for operation
Response Time	Extremely fast (nanoseconds)	Slower due to spark gap ionization
Leakage Current	Very low (microamps or milliamps)	Higher leakage current
Energy Absorption	High energy absorption capacity	Limited energy absorption capacity
Weight	Lightweight (polymer housing)	Heavier (porcelain housing)
Pollution Resistance	Excellent (polymer housing resists pollution)	Less resistant to pollution
Maintenance	Maintenance-free	Requires periodic maintenance

Packing and Shipping

Use wooden boxes and plastic packaging to protect the products from physical damage, moisture, and environmental pollutants.

Delivered worldwide via sea, air, or land freight. Custom shipping solutions are available based on customer requirements.

电缆附件包装图片png

Model	Rated voltage (kVr.m.s)	Continuous operating Voltage(KVr.m.s）	Lightening impulse residual voltage under nominal discharge current (<=KVp)	Line discharge class	Creepage distance(mm)	2ms square wave impulse current withstands(A)	4/10μhigh current impulse Withstands(KAp)
YH-5W-6	6	5.1	18		320	150	65
YH-5W-9	9	7.65	27		430	150	65
YH-5W-12	12	10.2	36		430	150	65
YH-5W-15	15	12.75	45		530	150	65
YH-5W-18	18	15.3	54		530	150	65
YH-5W-21	21	16.8	63		640	150	65
YH-5W-24	24	19.2	72		640	150	65
YH-5W-27	27	21.6	81		740	150	65
YH-5W-30	30	24	90		890	150	65
YH-5W-33	33	26.4	99		890	150	65
YH-5W-36	36	28.8	108		1115	150	65

2. Metal Oxide Polymer Housing (Gapless) type Surge Arrester for A.C. System (10KA series)

Model	Rated voltage (kVr.m.s)	Continuous operating Voltage(KVr.m.s）	Lightening impulse residual voltage under nominal discharge current (<=KVp)	Line discharge class	Creepage distance(mm)	2ms square wave impulse current withstands(A)	4/10μhigh current impulse Withstands(KAp)
YH-10W-6	6	5.1	18	1	320	250	100
YH-10W-9	9	7.65	27	1	430	250	100
YH-10W-12	12	10.2	36	1	430	250	100
YH-10W-15	15	12.75	45	1	530	250	100
YH-10W-18	18	15.3	54	1	530	250	100
YH-10W-21	21	16.8	63	1	640	250	100
YH-10W-24	24	19.2	72	1	740	250	100
YH-10W-27	27	21.6	81	1	740	250	100
YH-10W-30	30	24	90	1	890	250	100
YH-10W-33	33	26.4	99	1	890	250	100
YH-10W-36	36	28.8	108	1	1115	250	100
YH-10W-42	42	33.6	126	2	1260	400	100
YH-10W-48	48	39	139	2	1260	400	100
YH-10W-54	54	42	160	2	1260	400	100
YH-10W-60	60	48	178	2	1465	400	100
YH-10W-66	66	52.8	196	2	1465	400	100
YH-10W-72	72	57	214	2	2255	400	100
YH-10W-84	84	67.2	244	2	2255	400	100
YH-10W-90	90	72.5	249	2	2255	400	100
YH-10W-96	96	75	265	3	3555	800	100
YH-10W-108	108	84	281	3	3555	800	100
YH-10W-120	120	96	300	3	4153	800	100
YH-10W-150	150	120	416	3	5040	800	100
YH-10W-200	200	156	520	3	7110	800	100

3. Metal Oxide Polymer Housing (Gapless) type Surge Arrester for A.C. System (20KA series)

Model	Rated voltage (kVr.m.s)	Continuous operating Voltage(KVr.m.s）	Lightening impulse residual voltage under nominal discharge current (<=KVp)	Line discharge class	Creepage distance(mm)	2ms square wave impulse current withstands(A)	4/10μhigh current impulse Withstands(KAp)
YH-20W-108	108	84	281	3	3555	800	100
YH-20W-120	120	96	300	3	4153	800	100
YH-20W-150	150	120	416	3	5040	800	100
YH-20W-200	200	156	520	3	7110	800	100

4. Metal Oxide Porcelain Housing (Gapless) type Surge Arrester for A.C. System (5KA series)

Model	Rated voltage (kVr.m.s)	Continuous operating Voltage(KVr.m.s）	Lightening impulse residual voltage under nominal discharge current (<=KVp)	Line discharge class	Creepage distance(mm)	2ms square wave impulse current withstands(A)	4/10μhigh current impulse Withstands(KAp)
Y5W-6	6	5.1	18		280	150	65
Y5W-9	9	7.65	27		320	150	65
Y5W-12	12	10.2	36		320	150	65
Y5W-15	15	12.75	45		450	150	65
Y5W-18	18	15.3	54		450	150	65
Y5W-21	21	16.8	63		450	150	65
Y5W-24	24	19.2	72		510	150	65
Y5W-27	27	21.6	81		510	150	65
Y5W-30	30	24	90		890	150	65
Y5W-33	33	26.4	99		890	150	65
Y5W-36	36	28.8	108		890	150	65

5. Metal Oxide Polymer Housing (Gapless) type Surge Arrester for A.C. System (10KA series)

Model	Rated voltage (kVr.m.s)	Continuous operating Voltage(KVr.m.s）	Lightening impulse residual voltage under nominal discharge current (<=KVp)	Line discharge class	Creepage distance(mm)	2ms square wave impulse current withstands(A)	4/10μhigh current impulse Withstands(KAp)
Y10W-6	6	5.1	18	1	280	250	100
Y10W-9	9	7.65	27	1	320	250	100
Y10W-12	12	10.2	36	1	320	250	100
Y10W-15	15	12.75	45	1	450	250	100
Y10W-18	18	15.3	54	1	450	250	100
Y10W-21	21	16.8	63	1	450	250	100
Y10W-24	24	19.2	72	1	510	250	100
Y10W-27	27	21.6	81	1	510	250	100
Y10W-30	30	24	90	1	890	250	100
Y10W-33	33	26.4	99	1	890	250	100
Y10W-36	36	28.8	108	1	890	250	100
Y10W-42	42	33.6	126	2	1256	400	100
Y10W-48	48	39	139	2	1256	400	100
Y10W-54	54	42	160	2	1256	400	100
Y10W-60	60	48	178	2	1440	400	100
Y10W-66	66	52.8	196	2	1440	400	100
Y10W-72	72	57	214	2	1440	400	100
Y10W-84	84	67.2	244	2	2200	400	100
Y10W-90	90	72.5	249	2	2200	400	100
Y10W-96	96	75	265	3	3350	800	100
Y10W-108	108	84	281	3	3350	800	100
Y10W-120	120	96	300	3	3948	800	100
Y10W-150	150	120	416	3	4400	800	100
Y10W-200	200	156	520	3	6700	800	100

6. Metal Oxide Polymer Housing (Gapless) type Surge Arrester for A.C. System (20KA series)

Model	Rated voltage (kVr.m.s)	Continuous operating Voltage(KVr.m.s）	Lightening impulse residual voltage under nominal discharge current (<=KVp)	Line discharge class	Creepage distance(mm)	2ms square wave impulse current withstands(A)	4/10μhigh current impulse Withstands(KAp)
Y20W-108	108	84	281	3	3555	800	100
Y20W-120	120	96	300	3	4106	800	100
Y20W-150	150	120	416	3	4400	800	100
Y20W-200	200	156	520	3	6700	800	100
Y20W-444	444	324	1106	4	17052	2000	100

Surge Arrester for Distribution Lines

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