• Fuan Zhongzhi Pump Co., Ltd.
    Vadim Zabiiaka
    Zhongzhi does really good on the design and manufacturing of the products. Experienced engineers service us very nice.
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    Mr.Yılmaz Türkoğlu
    Have been working together for more than 3 years very professional. all products work fine in our types of equipment. Thank you.
Contact Person : Semmy Wu
Phone Number : 05936532656
Whatsapp : +8613706040131

1200 Hz Easy Spare Parts Electrical Generator Speed Control Governor Unit ESD5550E ESD5550

Place of Origin FUAN
Brand Name ZOZHI
Certification CE, ISO9001
Model Number ESD5550E
Minimum Order Quantity 1PCS
Packaging Details carton box

Contact me for free samples and coupons.

Whatsapp:0086 18588475571

Wechat: 0086 18588475571

Skype: sales10@aixton.com

If you have any concern, we provide 24-hour online help.

Product Details
Model Number ESD5550E Purpose Diesel Generator Set
Phase Three Phase Usage Generator
Application Industrial Equipment Advantage Easy To Clean
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Product Description

Electrical Generator Speed Control Governor Unit ESD5550E ESD5550



The ESD5550/5570 Series speed control unit is an all-electronic device designed to control engine speed with fast and precise response transient load changes.


(PER5570E is designed for the EFC series.)


Isochronous Operation/Steady Stability-----+/-0.25% or better

Supply-----12 or 24 VDC Battery Systems(transient&reverse voltage protected)

Power Consumption-----50 ma continuous plus Actuator current

Maximum Actuator Current at 25ºC(77ºF)-----10 Amps continuous


We provide speed controllers as follows:




1200 Hz Easy Spare Parts Electrical Generator Speed Control Governor Unit ESD5550E ESD5550 0

Technical Data:


Input Supply 12 or 24 VDC Battery System (Transient and Reverse Voltage)
Polarity Negative Ground (Case Isolated)
Power Consumption 50 ma continuous plus actuator current
Actuator Current Range @77F
(25C) - (Inductive Load)
Min.2.5 Amps; Max. 10Amps continuous
Speed Sensor Signal 0.5-120 Volts RMS
Speed switch Relay
Contacts(N.O.and N.C)
10 Amps
Performance Isochronous Operation/Steady
State Stability
±0.25% or better
Speed Range/Governor 1K to 7.5K Hz continuous
Speed Drift with Temperature ±1% Max
Idle Adjust CW 60% of set speed
Idle Adjust CCW Less than 1200 Hz.
Droop Range 1-5% regulation
Droop Adj. Max. (K-L connected) 400 Hz.,±75Hz. Per 1.0A change
Droop Adj. Min. (K-L connected) 15Hz.,±6Hz. Per 1.0A change
Speed Trim Range ±200 Hz
Remote Variable Speed Range 500 - 7.5 Hz. Or any part thereof Terminal Sensitivity
Terminal Sensitivity J 100 Hz.,±15Hz / Volt @ 5.0 K Impedance
Terminal Sensitivity L 735 Hz.,±60 Hz / Volt @ 65 K Impedance
Terminal Sensitivity N 148 Hz.,±10 Hz / Volt @ 1 Meg. Impedance
Terminal Sensitivity P 10 VDC Supply @ 20 ma Max
Speed witch adjustment range 1000-10000HZ
Environmental Ambient Operating
Temperature Range
-40 to +180°F(-40°+85°C)
Relative Humidity Up to 95%
All Surface Finishes Fungus Proof and Corrosion Resistant
Reliability Vibration 1G @ 20 to 100 Hz.
Testing 100% Functionally Tested
Physical Dimensions See outline (FIGURE 1)
Weigh1 1.8 lbs. (820 grams)
Mounting Any position, Vertical Preferred



1200 Hz Easy Spare Parts Electrical Generator Speed Control Governor Unit ESD5550E ESD5550 1


1200 Hz Easy Spare Parts Electrical Generator Speed Control Governor Unit ESD5550E ESD5550 2


Guarantee for one year from shipped on board date. During the guarantee period, our company will provide free easy-damaged spare parts for problems caused by our quality of production or raw material, except the damageable spare parts caused by the customer's incorrect artificial operation. In addition, after expiration, our company provides cost spare parts for maintenance.


Our Service:

1. Free maintenance within 12 months guarantee.
2. We cooperate with customers to design and develop a new product.
3. We'd like to assist you in arranging delivery things, test things, or others on your request.
4. Customize production.
1. We are a professional manufacturer with more than 13 years experience in Electric motor
2. We are Made in China Gold Supplier
3. We test the material before production and three to four times when producing to ensure the goods in good quality, also we produce according to request
4. We can be your OEM manufacturer with your authorization of the brand.


1. Q: What’s the MOQ?
A: We accept one piece.

2. Q: Are you a factory or trading company?
A: We are a manufacturer.

3. Q: Can you accept using our logo?
A: Yes, we can do OEM for you.

4. Q: What’s the warranty period?
A: 1 year.


5. Q: What are the terms of payment?

A: T/T. 30% deposit and 70% against the BL copy or 100% LC at sight.