Generator avr sx440 voltage regulator for generator
1~3 days after payment
brushless generator 50-1000KW
Generator avr sx440 alternator avr voltage regulator for generator
AVR Automatic voltage regualtors diesel spare parts SX440
SX440 is a half-wave phase-controlled thyristor type Automatic Voltage Regulator and forms part of the excitation system for brushless generator range from 50-300kw. In addition to regulating the generator voltage, the AVR circuitry includes under speed and sensing loss protection to ensure safe, reliable control of generator.
*Under frequency roll off adjustment
* Trim adjustment
* Optimum response selection
* Droop adjustment
50-60 Hz nominal
max 90V dc at 207V ac input
continuous 4A dc, intermittent 6A for 10 secs
15 ohms minimum
0.04% per deg. C change in AVR ambient
Typical system response
Filed current to 90%
Machine Volts to 97%
External voltage adjustment
+/-10% with 1 k ohm 1 watt trimmer
Under frequency protection
170% down to 30 Hz
Unit power dissipation
12 watts maximum
Build up voltage
4 Volts @ AVR terminals
1v for 5%
Quadrature Droop Input
10 ohms burden
Max. sensitivity: 0.07 A for 5% droop 0PF
Max. input: 0.33A
100Hz - 2kHz, 3.3g
-40 to +70 Deg. C
Relative Humidity 0-70 Deg. C
-55 to +80 Deg. C
1.We accept L/C,D/P,D/A, Alipay, West Union, TT. Cash.
2.All major Credit cards are accepted through secure payment processor ESCROW.
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 Chinaby 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.We accept the following express
1. Guarantee:3 years 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.