R250 Automatic Voltage Regulator of Generator Parts
R250 automatic voltage regulator of generator parts
Leroy somer R250 AVR controls the excitation current according to the alternator's output voltage. With a very simple conception, the shunt excitation alternator is auto excited with a R250 and excitation alternator does not have a short circuit capacity, voltage regulation: around ±0.5%.
1.Leroy Somer Automatic Voltage Regulator R250
2. Suits leroy somer brushless alternator
3.Analogic Automatic Voltage Regulator with transistor
4.Applications Alternators LSA 42.2, 43.2, 44.2, 46.2, 47.2. Compatible with the SHUNT excitation system. The R250 is in Compliance with: IEC, VDE, NEMA, BS, CSA, UL508 CE low voltage.
| Voltage regulation | Around ± 0.5 % |
| Supply range | 85 to 139 V |
| Potentiometer for voltage setting | 1000Ω /0.5W min. setting range ±5% |
| Operating at 50 Hz | Threshold at 48 Hz without LAM forimpactsbetween 30 and 40% of the rated Load |
| Threshold at 48 Hz with LAM 13% forimpacts between 40 and 70% of the rated Load. |
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| Threshold at 48 Hz with LAM 25% for impacts > 70% of the rated load | |
| Operating at 60 Hz | Threshold at 58 Hz without LAM forimpacts between 30 and 40% of the Rated load |
| Threshold at 58Hz with LAM 13% for impacts 40 and 70% of the rated load | |
| Threshold at 58Hz with LAM 25% for impacts > 70% of the rated load | |
| Specific operating | Threshold at 57Hz without LAM for speed variations at a steady state > 2 Hz |
| Threshold at 65Hz without LAM for speed and tractelec / gearlec (U/F gradient) | |
| Special: the factory setting 48Hz 2U/F gradient; a special programme is Possible on request. |
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| Threshold at 47.5 Hz without LAM for speed variations at a steady state > 2 Hz |
| MOVE ADVANTAGE | |||
| sales | 4000pcs/month | the fastest transit time | 2days! |
| inventory situation | a lauge number of stocks | operational advantages | easy for operation |
| production cycle | 1~3days |
Service |
answer all of your questions within 1day |
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Shipment Term
1. We Ship to Worldwide, except APO/FPO
2. Orders processed timely after showing remittance copy.
3. We only ship to confirmed order addresses. Your order address MUST MATCH your address.
4.Items are shipped from China by Airmail, reach most of the countries within 4 to 20 business days.
5.Delivery time depends on destination and other factors, it may takes up to 20 business days.
6. SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season.
7. If you have not received your shipment within 30 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction!
1. Guarantee:365 days after selled.
2. During guarantee,the items share free repairs or replacement.
3. Customer is responsible for the freight come-and-go,and the custom tax.
4. You may consider to send the defective item with a economical way,and we send back the repaired items with your new order together.
5. To save the cost,pls send the item back without packing.
6. Pls provide the defective appearance and related invoice number.
7.We do not repair or replace item with an expired warranty.
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