Application:

SX440 is a half-wave phase-controlled thyristor type Automatic Voltage Regulator and forms part of the excitation system for a brushless generator. 

Description:

Input	Voltage	190-264V ac
	Frequency	50-60 Hz nominal
	Phase	1
	Wire	2
Output	Voltage	max 90V dc at 207V ac input
	Current	continuous 4A dc, intermittent 6A for 10 secs
	Resistance	15 ohms minimum
Regulation		+/- 1.0%
Thermal Drift		0.04% per deg. C change in AVR ambient
Typical system response	AVR response	20ms
	Filed current to 90%	80 ms
	Machine Volts to 97%	300ms
External voltage adjustment		+/-10% with 1 k ohm 1 watt trimmer
Under frequency protection	Set point	95% Hz
	Slope	170% down to 30 Hz
Unit power dissipation		12 watts maximum
Build up voltage		4 Volts @ AVR terminals
Analogue Input	Maximum input	±5V dc
	Sensitivity	1v for 5%
	Input resistance	1k ohm
Quadrature Droop Input		10 ohms burden
		Max. sensitivity: 0.07 A for 5% droop 0PF
		Max. input: 0.33A
Environmental	Vibration	20-100 Hz,50mm/se
		100Hz - 2kHz, 3.3g
	Operating temperature	-40 to +70 Deg. C
	Relative Humidity 0-70 Deg. C	95%
	Storage temperature	-55 to +80 Deg. C

Why to choose us ?                                                             

1.Founded in 2006,with full experience of 7 years in manufacturing generator spare parts. 

2.Started export since the year of 2007,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

Payment Term: 

1.We accept L/C,Alipay, West Union, TT. Cash.

2.All major Credit cards are accepted through secure payment processor ESCROW.

Accepted Express  

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.

 Guaranty                                                                  

 1. Guarantee:3 year after selled.

2. During guarantee,the items share free repairs or replacement.

3 You may consider to send the defective item with a economical way,and we send back the repaired items with your new order together.

4 To save the cost,pls send the item back without packing.

5. Pls provide the defective appearance and related invoice number.

6.We do not repair or replace item with an expired warranty.

7.All emails will be answered within 1 business day. If you do not receive our reply, please kindly re-sent your email or give us a call any time.

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If any comment,pls kindly contact us.Thanks a lot.