Import As440 Automatic Voltage Regulator — Buy in Bulk from Supplier in China
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AS440 automatic voltage regulator
The AS440 automatic voltage regulator from Wuxi Kerui Electric Co., Ltd. is designed for Stamford brushless generators, providing precise voltage control for self-excited alternators operating at 50Hz or 60Hz. It features Surface Mounting Technology (SMT) construction, parallel operation capability, and under-frequency roll-off protection with LED indication. The unit weighs 300g, measures 14.6cm x 11.6cm x 4.7cm, and is housed in a black enclosure.
This AVR model supports a build-up voltage of 4V AC at its terminals and accepts a power input voltage range of 100-264V AC. The sensing input voltage is jumper-selectable between 100-130V or 170-264V, with frequency selection for 50Hz or 60Hz. It delivers a maximum output voltage of 82V DC at 200V AC input, with a continuous current output of 4A and transient capability of 7.5A for 10 seconds. Over-excitation protection is set at a typical 65V DC default value.
The AS440 is commonly used in industrial generators, telecom backup systems, and marine applications where stable voltage regulation is critical. Buyers typically source this for its compatibility with Stamford alternators and its ISO 9001 certified manufacturing. It is available in individual packaging, with outer cartons holding 40 units, and ships from Shanghai port. Minimum order quantities are negotiable, with trial orders accepted for 1 piece.
| Model Number | AS440 |
| Compatibility | Stamford brushless generator |
| Current Type | AC |
| Phase | 2 phase |
| Build-Up Voltage | 4V AC @ AVR terminals |
| Power Input Voltage | 100-264V AC |
| Frequency Range | 50-60Hz (nominal) |
| Sensing Input Voltage | 100-130V or 170-264V (jumper selectable) |
| Output Voltage (Max) | 82V DC @ 200V AC input |
| Continuous Current Output | 4A |
| Transient Current Output | 7.5A for 10sec |
| Over Excitation Protection | 65V DC (default, typical) |
| Time Delay | 10sec |
| Under Frequency Protection | 92-94% of rated frequency (UFRO, typical) |
| Adjustment Range | ±1% (with 4% engine governing, typical) |
| Weight | 300g |
| Dimensions | 14.6cm x 11.6cm x 4.7cm |
| Color | Black |
| Packaging | 14.6cm x 11.6cm x 4.7cm (inner), 50cm x 32cm x 25cm (outer, 40pcs/carton, typical) |
| Certification | ISO 9001 |
Wuxi Kerui Electric Co., Ltd. is based in Qianqiao Town, Wuxi, Jiangsu Province, China, with its registered address at No 3, Jinyi Road in the local Industry Concentrating Zone. The company operates as an imported-tier supplier with a focus on electrical components, including automatic voltage regulators for industrial and commercial generators.
The supplier’s profile indicates a harbor trust tier, though its current response rate is listed as 0.00 with no recorded average response time. The AS440 AVR is presented as in-stock, and the company confirms ISO 9001 certification for its manufacturing processes. Buyers should verify current response metrics and stock availability directly with the supplier.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | <4h |
| Response Rate | New Supplier |
Sourcing AS440 automatic voltage regulator from Wuxi Kerui Electric Co., Ltd. - China Import Guide
Before ordering the AS440 AVR, verify its compatibility with your specific Stamford alternator model and confirm whether the sensing input voltage range matches your system’s requirements. Check the supplier’s current ISO 9001 certification status and request test reports for the unit’s performance under load conditions.
Confirm logistics details such as lead time, shipping port (Shanghai), and Incoterms (e.g., FOB) with Wuxi Kerui Electric Co., Ltd. The packaging is standard export cartons with 40 units per box, but buyers should clarify handling and shipping costs for their order size. Payment terms should also be negotiated directly with the supplier.
For quality assurance, inspect the AVR’s build-up voltage, output stability, and protection features upon receipt. Request documentation such as the ISO 9001 certificate, test reports for over-excitation and under-frequency protection, and a conformity declaration. Conduct functional tests in a controlled environment before deployment in critical applications.
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30 suppliersBuy & Import As440 Automatic Voltage R — Wholesale Supply from China
Securing a reliable supply chain for As440 Automatic Voltage Regulator is critical for maintaining your business operations. Wuxi Kerui Electric Co., Ltd., a verified supplier located in China, provides high-quality As440 Automatic Voltage R ready for international export. By connecting directly with this supplier, buyers can bypass intermediaries, negotiate custom wholesale pricing, and arrange bulk shipments. This product is a key offering within the Electric Components industry, catering to distributors, wholesalers, and importers worldwide.
Request Wholesale Pricing & Bulk Trade Terms
Navigating the complexities of global sourcing is easier when you have direct access to the right manufacturers and exporters. When importing As440 Automatic Voltage R from China, buyers can discuss shipping logistics, packaging requirements, and preferred payment terms directly with Wuxi Kerui Electric Co., Ltd.. This seamless communication is powered by EximNext, a premier import export marketplace that connects ambitious buyers with verified global sellers across every major industry.
About Wuxi Kerui Electric Co., Ltd. — Verified Supplier in China
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International Shipping & Import Guidelines for As440 Automatic Voltage R
When importing As440 Automatic Voltage R from China, buyers should consider shipping terms (FOB, CIF, EXW), customs documentation requirements, and payment security. Contact the supplier to discuss the best logistics options for your destination country.
Frequently Asked Questions About As440 Automatic Voltage R
How can I get the wholesale price for As440 Automatic Voltage Regulator?
Click the "Request Quotation" button to contact Wuxi Kerui Electric Co., Ltd. directly. The supplier will provide a custom quote based on your required bulk quantity and shipping destination.
Can I buy As440 Automatic Voltage R in bulk from China?
Yes, Wuxi Kerui Electric Co., Ltd. provides As440 Automatic Voltage R for bulk export from China. You can negotiate the MOQ, packaging details, and shipping terms directly with the supplier.
What shipping terms are available for this product?
Shipping terms such as FOB, CIF, or EXW can be negotiated directly with Wuxi Kerui Electric Co., Ltd.. Contact the supplier to discuss the best logistics options for importing As440 Automatic Voltage R to your country.
How do I request a sample of As440 Automatic Voltage Regulator?
Send a direct message to Wuxi Kerui Electric Co., Ltd. through our platform to request a product sample before committing to a large wholesale order.
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Wuxi Kerui Electric Co., Ltd. is a registered and verified supplier on EximNext. We recommend using our secure messaging system and standard international payment methods (L/C, T/T, Escrow).
What specifications should I ask for when importing As440 Automatic Voltage R?
Request a detailed product data sheet including grade, purity, dimensions, material composition, and applicable industry standards from Wuxi Kerui Electric Co., Ltd..
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Many suppliers on EximNext, including Wuxi Kerui Electric Co., Ltd., offer custom packaging and private label options for bulk wholesale orders.
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