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1 Phase AC Electric Generator Automatic Voltage Regulator AVR Stamford SX440

China Fuan Zhongzhi Pump Co., Ltd. certification
China Fuan Zhongzhi Pump Co., Ltd. certification
Zhongzhi does really good on the design and manufacturing of the products. Experienced engineers service us very nice.

—— Vadim Zabiiaka

Good quality, great manufacturers, we are happy with your products.

—— Mr.Reuben kimwolo

Have been working together for more than 3 years very professional. all products work fine in our types of equipment. Thank you.

—— Mr.Yılmaz Türkoğlu

Thank you so much for Zhongzhi company to make our project run smoothly.

—— Mehmet Sefa KEÇİK

Technical issues resolved, reputation is very good.


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1 Phase AC Electric Generator Automatic Voltage Regulator AVR Stamford SX440

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Large Image :  1 Phase AC Electric Generator Automatic Voltage Regulator AVR Stamford SX440

Product Details:
Place of Origin: Fujian ,China
Brand Name: ZOZHI
Certification: ISO9001/CCC
Model Number: SX440
Payment & Shipping Terms:
Minimum Order Quantity: 1pc
Price: negotiated
Packaging Details: cartons
Supply Ability: 5000pcs
Detailed Product Description
Product Name: AVR Voltage: Max 90V Dc At 207V Ac Input
Frequency: 50-60 Hz Nominal AVR Response: 20ms
Guarantee: One Year Phase: 1 Phase
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alternator generator parts

1 Phase AC Electric Generator Automatic Voltage Regulator Stamford AVR SX440





AS440 is a half-wave phase-controlled thyristor type AVR and forms part of the excitation system for a brush-less generator. The design employs Surface Mount Technology (SMT) for high integration of features in a small footprint AVR.


Sensing Input Voltage Jumper selectable 100-130 Vac 1 phase
190-264 Vac 1 phase
Frequency 50-60 Hz nominal
Power input Voltage 100-264 V ac 1 phase
Frequency 50-60 Hz nominal
Output Voltage 82 V d.c. @ 200 V a.c.
Current Continuous 4A transient 7.5A for 10 secs
Resistance 15 ohms min (10 ohms min when the input
Volts is less than 175 ac)
Regulation ± 1.0%
Thermal Drift 0.03% per deg. C change in AVR ambient
Typical system response AVR response 20 ms
Filed current to 90% 80 ms
Machine Volts to 97% 300 ms
External voltage adjustment ±-10% with 1kohm 1 watt trimmer Increasing resistance lowers voltage.
Under frequency protection Setpoint 94 -98% Hz
Unit power dissipation 12 watts maximum
Build up voltage 4 Volts @ AVR terminals
Analog voltage Maximum input ±5 Vdc
Sensitivity 1V for 5% Generator Volts (adjustable)
Input resistance 1k ohm
Quadrature droop input 10 ohms burden
Max. sensitivity: 0.07 A for 5% droop 0PF
Max. input: 0.33 A
Overexcitation protection Setpoint 65 V Dc
Time delay 10-15 seconds (fixed)
Environmental Vibration 20-100 Hz
    100Hz – 2kHz
50mm/sec Operating temperature 40degree under zero to 70 degree
3.3g Relative humidity 0-70 95%
  Storage temperature Storage temperature -55 to +80C


1 Phase AC Electric Generator Automatic Voltage Regulator AVR Stamford  SX440 0

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1.Guarantee:3 years after sold.

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

3. The customer is responsible for the freight come-and-go, and the customs tax.

4. You may consider economically sending the defective item, 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 items with an expired warranty.

8. 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.




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.

Contact Details
Fuan Zhongzhi Pump Co., Ltd.

Contact Person: semmy wu

Tel: +8613706040131

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