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leroy sommer voltage regulator avr for generator R250 :
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. | |
| 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. | |
| Threshold at 47.5 Hz without LAM for speed variations at a steady state > 2 Hz |
Packaging: Standard Carton Packing
Payment Terms:
1.We accept West Union, T/T, MoneyGram, L/C,D/P,D/A, Escrow, Cash.
2.All major Credit cards are accepted through secure payment processor ESCROW.
Shipment Terms:
1. We Ship to Worldwide, except APO/FPO
2. Orders processed timely after showing bank transfer.
3. We only ship to confirmed order addresses. Your order address MUST MATCH your address.
1.Founded in 2005,with full experience of 10 years in manufacturing generator spare parts.
2.Started export since the year of 2008,with quick response to serve the oversea customers
3.Have already passed the strict quality inspection of ISO9001:2000 quality management system
4.Strong R&D Team to design and test products
5.Professional designers and technicians to provide technical assitance
6.Strict quality control process with strict standards
7.Strong installation consulting support
8.Quick after-sale technical advice and guidance
Skype: cfavrcalling Tel: 0086 13515069913
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