ZnO / Metal-oxide arrester

ZnO / Metal-oxide arrester protects distribution line,transformer,cable connector and electric equipment from being damaged by lightning impulse voltage and operated over-voltage.

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Overview

Metal oxide surge arrester

Metal Oxide Surge Arrester Range for Distribution Protection

FUERTE’s supplier-published ZnO arrester table covers 3–36 kV rated-voltage models with 5 kA and 10 kA nominal discharge-current options and 2.55–29 kV MCOV values.

Rated voltage: 3–36 kV
Nominal discharge current: 5 / 10 kA
MCOV: 2.55–29 kV
Published standard: IEC60099-4 / IEEE C62.11

The supplier page lists IEC60099-4 and IEEE C62.11 as the technical standards; confirm the required edition and project acceptance documents before ordering.

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Published technical data

Polymer Surge Arrester Technical Range

Use the published family table to shortlist rated voltage, nominal discharge current, MCOV and residual-voltage levels before checking the project insulation-coordination study.

Model	Rated voltage	Nominal discharge current	MCOV	Steep-current impulse residual voltage	Lightning impulse residual voltage	Switching impulse residual voltage	Long-duration current impulse	High-current impulse
YH5W-3	3	5	2.55	11.3	9	8.9	150	65
YHIOW-3	3	10	2.55	11.3	9	8.9	250	100
YH5W-6	6	5	5.1	22.6	18	16.8	150	65
YH10W-6	6	10	5.1	22.6	18	16.8	250	100
YH5W-9	9	5	7.65	33.7	27	23.8	150	65
YH10W-9	9	10	7.65	33.7	27	23.8	250	100
YH5W-10	10	5	8.4	36	30	26.4	150	65
YH10W-10	10	10	8.4	36	30	26.4	250	100
YH5W-11	11	5	9.4	40	33	30	150	65
YH10W-11	11	10	9.4	40	33	30	250	100
YH5W-12	12	5	10.2	42.2	36	31.7	150	65
YH10W-12	12	10	10.2	42.2	36	31.7	250	100
YH5W-15	15	5	12.7	51	45	38.5	150	65
YH10W-15	15	10	12.7	51	45	38.5	250	100
YH5W-18	18	5	15.3	61.5	54	46.2	150	65
YH10W-18	18	10	15.3	61.5	54	46.2	250	100
YH5W-21	21	5	17	71.8	63	54.2	150	65
YH10W-21	21	10	17	71.8	63	54.2	250	100
YH5W-24	24	5	19.5	82	72	62	150	65
YH10W-24	24	10	19.5	82	72	62	250	100
YH5W-27	27	5	22	92	81	69.8	150	65
YH10W-27	27	10	22	92	81	69.8	250	100
YH5W-30	30	5	24.4	102	90	79	150	65
YH10W-30	30	10	24.4	102	90	79	250	100
YH5W-33	33	5	27.5	112	99	86.7	150	65
YH10W-33	33	10	27.5	112	99	86.7	250	100
YH5W-36	36	5	29	123	108	92.4	150	65
YH10W-36	36	10	29	123	108	92.4	250	100

Confirm the selected rating against the system voltage, earthing arrangement, insulation coordination, installation altitude and pollution conditions.

Selection checklist

Prepare the Surge Arrester RFQ

State the system and arrester voltage. Include the nominal system voltage, arrester rated voltage and MCOV.
Confirm discharge duty. Specify nominal discharge current, required residual-voltage limits and the project duty cycle.
Define installation conditions. Include altitude, pollution level, maximum ambient temperature and mounting position.
Select hardware and accessories. Confirm brackets, line clamps, earth leads, disconnectors, bird guards, counters or monitors.
List document requirements. State the applicable standard edition, drawings, test evidence and acceptance documents required by the project.

Configuration and supply boundary

Review the ZnO Arrester Configuration

The source describes Grade 304 stainless steel terminal hardware and optional NEMA A or B mounting brackets, earth leads, line clamps, bird guards, disconnectors, discharge counters and monitors.

Electrical coordination

Confirm rated voltage, MCOV, nominal discharge current and residual-voltage limits against the project study.

Mounting hardware

State bracket pattern, terminal connection, line clamp and earth-lead requirements in the inquiry.

Failure indication

Confirm whether the supply should include a disconnector, insulating base, counter or monitor.

Commercial boundary

Quantity, packing, delivery schedule, test documents and destination requirements depend on quotation.

Company scale

Fuerte at a Glance

FUERTE lists 1985 as its founding year, 220+ employees and a 36,000 m² built-up area. These supplier-published figures provide context for manufacturing and project support.

1985

Founded in

Supplier-published company history

220+

Employees

Published workforce scale

36,000 m²

Built-up area

Published manufacturing footprint

OEM

& ODM support

Subject to technical review

OEM & ODM capability

Custom Support for Arrester Projects

FUERTE’s published OEM and ODM scope includes voltage/current adaptation, mounting hardware, nameplates, packaging and shipping marks.

Electrical configurationReview rated voltage, MCOV, discharge current, residual voltage and service conditions.
Hardware selectionConfirm brackets, terminals, disconnectors, bird guards, counters and monitors.
Project documentationState drawing, marking, packing and acceptance-document requirements before quotation.

Frequently asked questions

ZnO family Surge Arrester FAQ

What rated-voltage range is published?

The family table lists rated-voltage models from 3 kV through 36 kV.

Which nominal discharge currents are listed?

The published table provides 5 kA and 10 kA model options.

Which standards are stated?

The source lists IEC60099-4 and IEEE C62.11. Confirm the required edition and acceptance scope in the RFQ.

Which accessories can be requested?

The supplier page lists mounting brackets, an earth lead, a line clamp, a bird guard, a disconnector, a discharge counter and a monitor as selectable items.

Configuration review

Send the ZnO family Requirements

Provide system voltage, arrester rated voltage, MCOV, nominal discharge current, residual-voltage limits, mounting and accessory requirements, quantity, destination market and required documents.

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