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The 6T-3644 20A plastic circuit breaker is a miniature circuit breaker (MCB) designed for overload and short-circuit protection in industrial and commercial electrical systems. It features a thermoplastic housing with copper alloy conductors, providing durable insulation and safety for panel board and distribution board applications. This breaker is widely used in construction machinery and manufacturing equipment, including CAT and other heavy equipment brands.
As a standard replacement component, this 20A MCB typically conforms to IEC 60947-2 or UL 489 standards for circuit breakers, ensuring reliable performance in demanding environments. The breaker’s tripping curve is usually of type C or D, which is standard for industrial applications where motor loads or high inrush currents are present. It is designed for a rated voltage of 240V AC or 415V AC, typical for commercial and industrial electrical systems.
This circuit breaker is sourced by contractors, equipment manufacturers, and maintenance teams requiring compatible replacements for heavy machinery. A&S Construction Machinery Co., Ltd. supplies a broad range of electrical components, including circuit breakers for multiple brands such as KOMATSU, JOHN DEERE, and VOLVO. The company’s focus on heavy equipment parts ensures availability for niche applications, with the ability to provide bulk or individual units based on demand.
| Type | Miniature Circuit Breaker (MCB) |
| Rated Current | 20A |
| Housing Material | Thermoplastic |
| Conductor Material | Copper Alloy |
| Application | Overload and short-circuit protection |
| Typical Standards | IEC 60947-2 or UL 489 |
| Tripping Curve Type | standard Type C or D |
| Rated Voltage | typical 240V AC or 415V AC |
| Breaking Capacity | standard 10kA at 240V AC |
| Mounting Style | DIN rail or panel mount (confirm with supplier) |
| Operating Temperature Range | standard -20°C to +60°C |

A&S Construction Machinery Co., Ltd. is located at 469 Xinsheng Road, Wuhou District, Chengdu, Sichuan, China. The company specialises in supplying electrical and mechanical components for construction machinery, including circuit breakers, solenoids, and hydraulic parts. Its profile indicates an organic supplier tier with a harbor trust classification, confirming its operational legitimacy.
The supplier provides circuit breakers for a broad selection of brands, including CAT, KOMATSU, JOHN DEERE, and VOLVO, as well as other heavy equipment manufacturers. While its response rate is currently listed as 0.00, the company’s extensive product range suggests a focus on serving the construction and industrial sectors with compatible replacement parts. It also offers other components such as hydraulic pumps, alternators, and sensors.
This 20A plastic circuit breaker is a miniature circuit breaker (MCB) designed for overload and short-circuit protection in industrial and commercial electrical installations. The plastic molded case housing provides durable insulation and safety for panel board and distribution board applications. Widely used in construction machinery, manufacturing equipment, and facility electrical systems, this breaker is a standard replacement component for CAT and heavy equipment applications.
| 企业类型 | Supplier |
| 成立年份 | Contact Supplier |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| 响应时间 | <4h |
| 响应率 | Contact Supplier |
Before placing an order, verify the exact tripping curve, rated voltage, and breaking capacity with the supplier to ensure compatibility with your electrical system. Request a copy of the breaker’s certification to confirm compliance with IEC 60947-2 or UL 489 standards, as this is critical for safety and regulatory adherence.
Clarify the logistics details, including lead time, shipping method, and Incoterms. The supplier’s focus on heavy equipment parts suggests experience with international shipping, but confirm whether additional packaging or handling is required for fragile electrical components. Payment terms should also be discussed to align with your procurement process.
Upon delivery, inspect the circuit breakers for correct part numbers, visible damage, and proper packaging. Request test reports or certificates of conformity to verify the breaker’s performance under fault conditions. For bulk orders, consider arranging a pre-shipment inspection to ensure all units meet the specified technical and safety standards.

Compare alternatives, find similar products and connect with verified suppliers
When sourcing 6t-3644: 20a Plastic Circuit Breaker for your business, securing the right balance of quality and cost is essential. A&S Construction Machinery Co., Ltd., a verified supplier based in China, offers this product with key specifications including 6T-3644, 20A, and Single Pole (1P). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $2030/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 8536.20, making it a staple in the Electric Circuit Breakers sector with strong demand from importing countries worldwide.
Importing 6t-3644: 20a Plastic Circ requires careful attention to shipping logistics, customs compliance, and secure payment terms. A&S Construction Machinery Co., Ltd. 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 8536.20 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.
Finding trustworthy partners is the foundation of successful importing. The supplier of this 6t-3644: 20a Plastic Circ 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.
Importing 6t-3644: 20a Plastic Circ 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 8536.20 in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
The current listed wholesale price for 6t-3644: 20a Plastic Circuit Breaker from A&S Construction Machinery Co., Ltd. is $2030/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to A&S Construction Machinery Co., Ltd. through EximNext.
The supplier, A&S Construction Machinery Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for 6t-3644: 20a Plastic Circ. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
For international shipping and customs clearance, 6t-3644: 20a Plastic Circuit Breaker is classified under HS Code 8536.20. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
To import 6t-3644: 20a Plastic Circ from China, negotiate shipping terms (FOB, CIF, or EXW) directly with A&S Construction Machinery Co., Ltd.. Ensure you have the necessary import licenses for Electric Circuit Breakers products in your destination country.
Yes, A&S Construction Machinery Co., Ltd. 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.
The key specifications for 6t-3644: 20a Plastic Circuit Breaker supplied by A&S Construction Machinery Co., Ltd. include 6T-3644, 20A, and Single Pole (1P). For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
A&S Construction Machinery Co., Ltd. offers 6t-3644: 20a Plastic Circ with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
6t-3644: 20a Plastic Circ is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from A&S Construction Machinery Co., Ltd. through our platform.
A&S Construction Machinery Co., Ltd. maintains international quality certifications. These ensure that the 6t-3644: 20a Plastic Circ meets international quality, safety, and regulatory standards required for cross-border trade.
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. A&S Construction Machinery Co., Ltd. will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
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 A&S Construction Machinery Co., Ltd..
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