R250 Automatic Voltage Regulator AVR for Generator - 85-139V Supply Range with ±0.5% Voltage Regulation
Price:
negotiation
MOQ:
1 piece
Delivery Time:
1-3days if goods in stock
Brand:
Generic
Product Description
Product Overview
The R250 Automatic Voltage Regulator (AVR) is designed for Leroy Somer brushless alternators, providing precise voltage control with ±0.5% regulation accuracy. This analog AVR with transistor technology ensures stable generator performance across various load conditions.
Technical Specifications
| Parameter | Specification |
|---|---|
| Voltage Regulation | ±0.5% |
| Supply Range | 85-139V |
| Potentiometer Setting | 1000Ω / 0.5W min., range ±5% |
| 50Hz Operation Threshold | 48Hz without LAM (30-40% load), 48Hz with LAM 13% (40-70% load), 48Hz with LAM 25% (>70% load) |
| 60Hz Operation Threshold | 58Hz without LAM (30-40% load), 58Hz with LAM 13% (40-70% load), 58Hz with LAM 25% (>70% load) |
Compatibility & Applications
Compatible with Leroy Somer alternators LSA 42.2, 43.2, 44.2, 46.2, 47.2 series. Designed for SHUNT excitation systems and compliant with IEC, VDE, NEMA, BS, CSA, UL508, and CE low voltage standards.
Product Images
Available AVR Models
We supply a comprehensive range of AVR models including:
- Stamford: SX460, SX440, MX321, MX341, AS480, AS440
- Leroy Somer: R230, R438, R448, R449, R250, R450
- Marathon: SE350, EA350
- Common brushless AVR: 8A, 12A, 15A, 20A and more
Additional Parts Inventory
We maintain extensive stock of genuine and replacement parts including:
- Engine components: pistons, rings, liners, crankshafts
- Fuel system: injectors, nozzles, pumps
- Electrical systems: starters, alternators, sensors
- Cooling and filtration systems
- Gaskets, seals, and piping
Shipping & Packaging
| Weight | Transport Method | Delivery Time | Notes |
|---|---|---|---|
| <50kg | UPS/DHL/FEDEX | 3-7 days | Door-to-door service |
| 50-150kg | Air Freight | 3-10 days | Customer handles customs |
| >150kg | Sea Freight | 10-50 days | Includes customs processing |
Packaging options include individual packaging, inner/outer packaging, palletized bulk orders, and customized solutions.
Company Advantages
- High-quality replacement parts with guaranteed performance
- Large inventory for fast delivery
- Flexible payment options: L/C, T/T, PayPal, Trade Assurance
- Comprehensive after-sales support
- Professional technical expertise in industrial parts
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Guangzhou Taishuo Machinery Equipement Co.,Ltd
Location
No.28,Huancun road,Maogang Huangpu District, Guangzhou,China.
Contact Person
moondy xie