Import Buchholz Relay — Buy in wholesale FOB from Supplier in India
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Buchholz Relay
The Buchholz Relay supplied by Vishw Automation is a gas‑operated protective device installed in oil‑filled power transformers between the main tank and the conservator. It features a brass housing, copper contacts, carbon‑steel flanges and is filled with mineral oil. The unit is offered in single‑phase and three‑phase configurations as described in the supplier’s data. Key functional elements include a float mechanism that moves with oil level changes to detect internal faults.
Brass housing provides corrosion resistance while copper contacts ensure reliable electrical switching. In the industry, similar relays typically use contact ratings of 5 A / 250 V and mounting flange dimensions around DN 40, although exact dimensions should be confirmed with the supplier. Standard oil compatibility is with mineral oil meeting ISO VG46 specifications and operating temperatures from - 20 °C to +120 °C, which aligns with typical transformer service conditions. These typical values are drawn from common practice for Buchholz relays worldwide.
Buchholz relays are deployed by transformer manufacturers, power utilities and grid operators to protect critical infrastructure from internal faults. Procurement usually involves requesting a quotation that specifies phase configuration, contact rating and flange size, with packaging in a steel case for safe transport. Buyers should confirm incoterms, payment terms and any required certifications directly with Vishw Automation, as the listing does not provide that information.
| Material | Brass housing, copper contacts, carbon‑steel flanges, mineral oil filled |
| Phase configuration | Single‑phase and three‑phase |
| HS code (typical) | Typical HS code 8531 - Electrical switching equipment |
| Contact rating (typical) | Typical contact rating 5 A / 250 V |
| Mounting flange size (typical) | Typical mounting flange DN 40 (approx. 48 mm diameter) |
| Oil compatibility (typical) | Typical compatible oil: mineral oil meeting ISO VG46 |
| Operating temperature range (typical) | Typical operating temperature - 20 °C to +120 °C |
| Float mechanism | Float element moves with oil level to trigger alarm |
| Standard dimensions (typical) | Typical overall length 200 mm, width 150 mm (subject to model) |
| Packaging | Standard packaging: steel case with protective padding |
Vishw Automation is located at A‑19 Krishna Villa Society, Near Green Villa, Behind Zydus Hospital, 100 Ft Road, Anand, Gujarat 388001, India. The company is listed with a harbour trust tier, indicating verified identity, though its response rate is currently recorded as 0 % with no average response time logged. Vishw Automation markets electrical components and offers the Buchholz Relay as part of its product portfolio for power transformer protection.
The supplier’s profile does not disclose additional corporate history, employee numbers or annual turnover, and no specific certifications are mentioned. Interested buyers should request detailed documentation such as quality certificates, test reports and compliance statements directly from Vishw Automation before placing an order.
Buchholz relay is a gas-operated protective device installed in oil-filled power transformers between the main tank and conservator, detecting internal faults through gas accumulation and oil surge. Available in single-phase and three-phase configurations, these relays are critical for grid infrastructure and power distribution networks. Widely sourced from industrial electrical manufacturers in Asia and Europe, Buchholz relays are HS code-classified under electrical switching equipment for international trade. Key specs include contact ratings, mounting flange dimensions, and compatibility with transformer oil specifications.
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Sourcing Buchholz Relay from Vishw Automation - India Import Guide
Before placing an order with Vishw Automation, verify that the relay’s phase configuration, contact rating and mounting flange size match the specifications of your transformer. Request a detailed data sheet that lists the exact dimensions, oil compatibility and any test results the supplier can provide. Confirm that the material grades - brass housing, copper contacts and carbon‑steel flanges - meet your project’s corrosion‑resistance and durability requirements. Any deviation from the standard specifications should be documented in the purchase agreement.
Discuss logistics early to avoid delays; ask Vishw Automation to confirm the preferred Incoterms, such as FOB Anand port or CIF Mumbai, and clarify the expected lead time for production and shipment. Although the listing does not state a specific lead time, typical manufacturing cycles for Buchholz relays range from two to four weeks, subject to order size and material availability. Payment terms are usually negotiated on a case‑by‑case basis, with options like T/T after pro‑forma invoice or a letter of credit for larger volumes. Ensure that insurance coverage for the steel‑case packaging is arranged for safe transport.
Arrange for a third‑party inspection before loading, focusing on the integrity of the brass housing, the proper operation of the float mechanism and the correctness of the contact ratings. Request test certificates that demonstrate compliance with IEC 60255 or equivalent standards, and ask for a sample of the mineral oil used for compatibility checks. Upon receipt, perform a visual inspection for any damage to the flanges and verify that the packaging matches the agreed specifications. Retain all inspection reports and certificates as part of your quality assurance documentation.
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30 suppliersBuy Buchholz Relay in Bulk — Verified Supplier in India
When sourcing Buchholz Relay for your business, securing the right balance of quality and cost is essential. Vishw Automation, a verified supplier based in India, offers this product with key specifications including Buchholz Relay, Gas Operated Protective Relay, Single Phase / Three Phase variants, and Flange mount between transformer main tank and conservator. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $138.88/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 8536.30, making it a staple in the Electric Circuit Breakers sector with strong demand from importing countries worldwide.
Buchholz Relay Specifications, Trade Terms & Pricing
Importing Buchholz Relay requires careful attention to shipping logistics, customs compliance, and secure payment terms. Vishw Automation offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. To ensure a smooth transaction, buyers should verify import duties for HS Code 8536.30 in their destination country. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading global B2B marketplace designed to make cross-border trade secure and efficient.
About Vishw Automation — Supplier in India
Finding trustworthy partners is the foundation of successful importing. The supplier of this Buchholz Relay has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Electric Circuit Breakers category and connect with top-tier exporters on our comprehensive import export marketplace. Start your sourcing journey today.
Import Buchholz Relay — Shipping, Logistics & Customs
Importing Buchholz Relay requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties for HS Code 8536.30 in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About Buchholz Relay
What is the wholesale price of Buchholz Relay?
The current listed wholesale price for Buchholz Relay from Vishw Automation is $138.88/Bags on FOB terms from India. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Vishw Automation through EximNext.
What is the Minimum Order Quantity (MOQ) for Buchholz Relay?
The supplier, Vishw Automation, has set a Minimum Order Quantity (MOQ) of 1 Bags for Buchholz Relay. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Buchholz Relay?
For international shipping and customs clearance, Buchholz Relay is classified under HS Code 8536.30. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Buchholz Relay from India?
To import Buchholz Relay from India, negotiate shipping terms (FOB, CIF, or EXW) directly with Vishw Automation. Ensure you have the necessary import licenses for Electric Circuit Breakers products in your destination country.
Is Vishw Automation a verified supplier?
Yes, Vishw Automation is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
What are the key specifications of Buchholz Relay?
The key specifications for Buchholz Relay supplied by Vishw Automation include Buchholz Relay, Gas Operated Protective Relay, Single Phase / Three Phase variants, and Flange mount between transformer main tank and conservator. For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
What packaging options are available for bulk orders of Buchholz Relay?
Vishw Automation offers Buchholz Relay with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Buchholz Relay the most?
Buchholz Relay is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Vishw Automation through our platform.
What certifications does this Buchholz Relay supplier hold?
Vishw Automation maintains international quality certifications. These ensure that the Buchholz Relay meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Buchholz Relay on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Vishw Automation will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Vishw Automation.
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