Durable 33kv Surge Arrester with Polymer Housing | RFQ Sourcing Details
Dry Type Transformers · Quote on request
This is a product procurement detail page: check specs, images, category context and related sourcing paths before sending an RFQ.
Product specs
Buyer's Digest
Use this page as a product-first sourcing checkpoint before sending an RFQ. Category: Dry Type Transformers. Confirm application fit, capacity, materials, destination, lead time and compliance requirements before comparing suppliers.
Original product description
Zinc-Oxide arrester is used for protection of outdoor distribution overhead line, transformer, cable connector and electric equipment from being damaged by lightning Impulse voltage and operated over-voltage. How does ZnO varistor work?
ZnO has good non-linear Volt-Ampere characteristics which flowing current is tiny when working under normal voltage.
However, when there's over-voltage, its non-linear Volt-Ampere characteristics takes protection effect on leakage and breaking current, as the resistance will decrease rapidly and leak the energy of over-voltage. Products are comple to +50°C. b) Altitude not exceeding 2000m. c) Frequency of the A.C.
Power supply not less than 48hz and not exceeding 62hz. d) Power frequency voltage applied continuous between the teminals of the arrester not exceeding its continuous operating voltage. e) Maximum wind speed not exceeding 35m/s. f) Earthquake intensity not exceeding 7 degrees.
Our Advantages - Low residual voltage - Long protection distance - High energy input capacity - Stable U-I characteristics even after multiple strokes - Proof against ageing - Explosion and shatter-resistant design - Pollution resistant and UV-stable - Housing resistant to rough handling - Maintenance free - Stable against shock and vibration - High mechanical resistance Product Parameters Electrical characteristics Specification Unit Rated voltage of Surge arrreser 9 kV Nominal discharge current 5 10 kA Rated frequency 50 Hz Maximum continuous operating voltage 7.65 kV Steep current impulse residual voltage 33.7 kV(Crest) Lightning Impulse residual voltage 27 kV(Crest) Switching Impulse residual voltage 23.8 kV(Crest) Long duration current impulse withstand voltage 150 250 A High current impulses 65 100 kA (Crest) Rated Short-circuit current 20 / 12 / 6 / 0.6 ± 0.2 kA Class of Surge arrester Class 1 or Class 2 Application Distribution type With or without gap Gapless Designation of arrester Design B Spare parts NEMA A or B mounting bracket with/without Disconnector with/without Earth lead with/without Bird guard cap with/without Line clamp with/without Upper terminal (incoming line) bolt size M12 Lower termina (outgoing line) bolt size M10 Material Upper terminal Stainless steel 304 Housing Polymer ty
Durable | Applications and Buyer Notes
Durable is organized as a sourcing-ready Dry Type Transformers reference. The page combines visible product or company data with structured procurement cues so buyers can compare application fit, specifications, quantity, quality requirements and lead-time que
Applications
- Initial shortlist building for related product or supplier options.
- Specification and application fit review before bulk purchasing.
- Category, keyword and detail-page comparison before sending an RFQ.
Key specifications
- Category
- Dry Type TransformersBased on visible page data; confirm exact value in the RFQ.
- Unit
- setBased on visible page data; confirm exact value in the RFQ.
Buyer tips
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- Add certification, material or inspection standards when they affect acceptance.
- For time-sensitive projects, include target arrival date and destination.
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FAQ
What should buyers confirm first?
Confirm application, specification, quantity, destination and lead-time requirements before comparing offers.
Can buyers inquire when specs are incomplete?
Yes. Add model, material, size, use case and inspection needs in the RFQ to make replies comparable.
How should this listing be evaluated?
Check title, category, specifications and related keywords against the actual sourcing requirement.
Source mix: ugc
Key specifications
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