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35mm Motor Protection Relay , OEM ODM Generator Protection Relay Din Rail Installation

Wei Dian Union(Hubei) Technology Co.,Ltd.

35mm Motor Protection Relay , OEM ODM Generator Protection Relay Din Rail Installation

Brand Name : WDLYCH

Model Number : DB-A

Certification : CE, CCS, ISO9001

Place of Origin : Wuhan, Hubei, China Mainland

MOQ : 5PCS

Price : Negotiable

Payment Terms : T/T, Western Union, L/C

Supply Ability : 10000PCS/Month

Delivery Time : 7 Working Days

Packaging Details : Inner color box with outer export carton

Product Name : Multi-funciton Protection Units

Application : Marine Generator

Color : Black

Shipping Term : FOB Shanghai

Working Temperature : 0-55℃

Contact Load : 380A/10A; DC28V/10A

Certificate : CCS,CE,ISO9001:2000

Warranty : 18 Months

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35mm Motor Protection Relay , OEM ODM Generator Protection Relay Din Rail Installation

1. Summary of Products:

Distribution board in middle/small vessel mainly use frame-type circuit breaker as generator's protection switch, have shortage of expensive cost, big volume, heavy and difficult to adjust, etc.

WD-DB-A is a multi-functional protection equipment for marine, widely used in kinds of type/power generator group, only need input generator's power and curcuit's transformer, protection can set data of "pre-alarm" "long-time delay", "short time delay" according to requirements.

Acting time can also be adjusted, LED indicate voltage, current and lasting time.

2. Technical Data:

Product Name Generator Protection Units
Model Number DB-A
Dimension 146*90*73mm
Measurement(V) AC100-600V
Measurement(Hz) 50-60Hz
Mounting DIN Rail or 5mm Thread

3. Symbols:

"I" Current: Display the biggest phase current, connect any phase to start to work;

"U" Voltage: Display phase voltage to generator;

"U" < under voltage: Phase voltage less than preset value;

"I" ≈ Pre-alarm LED: ;Load current over preset value;

"I" > Long-time delay LED: Load current over preset value;

"I" < Short-time delay LED: Load current over preset value.

4. Parameters:

Item Technical Data Standards
Technical Standard GB/T7676-1998 IEC60092-50
Environmental Standard GB8355-1987 IEC92-504-74
Safety Standard GB4793-20 IEC61010
Working Temperature -40-65℃
Temperature Infulence -13-33℃, 100% comply with accuracy class
Indicating Angle 240°-270º (Synchroscope meter: 360º)
Color of Shell Black/white,board frame, terminal plate: black
Color of Dial Plate Black/white(other colors are available)
Mounting Vertical Installation
Dimension 110*110mm, 80*80mm
96*96mm, 72*72mm, 48*48mm
Overshoot Less than 20% when scale reaches to 2/3
Insulation Withstand Circuit& shell: AC2600V/1 min(Water area)
Vibration Resistance 24.5m/s2
Impact Resistance 147m/s2
Material Shell/terminal board: ABS; Cover: Transparent Glass

5. Wiring Diagram

35mm Motor Protection Relay , OEM ODM Generator Protection Relay Din Rail Installation

6. Why Choose us:

1). Guarantee of high quality

  • Certification of ISO9001:2000, CE, CCS;
  • Strict quality control to the whole producing process;
  • We are manufacturer, to make sure the first hand materials;
  • Semi-finished products check and overall inspection;
  • Reliable packing

2). Customized Producing


Because of the source manufacturer, it is able for us to produce the items according to customers' requirements.

3). Reliable Team

  • Excellent technical team, always ready for questions from customers' side;
  • Professional sales team, could make good suggestion in model selection and any markets news sharing;
  • Management team: A held meeting held each months, to discuss sales & technical problems, to promote each other;


Product Tags:

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