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Quick Details

  • Place of Origin: Guangxi, China (Mainland)
  • Brand Name: RAMWAY
  • Model Number: DS903B 80A
  • Theory: Electromagnetic Relay
  • Usage: Protective
  • Size: Miniature
  • Protect Feature: Epoxy
  • Contact Load: High Power
  • Shell: PBT
  • Terminal type: See in clients design
  • Relay type: Magnetic latching relay
  • Function: Switch/remote control
  • Extra kit(if need): Relay driver ic RY8023/Communication ic RY485
  • Measure: Shunt or CT

Packaging & Delivery

Packaging Details: 1.Normal: Standard Export Carton(40x35x35 cm),inner box(19x16x6 cm).Lined with EPE Cotton.
2.Special: As clients requirements
Delivery Detail: within 30 days

CONTACT DATA

Contact form

1A & 1B

Contact resistance

Max.1mΩ(12VDC 1A)

Contact material

Silver alloy

Resistance load

80A/250VAC

Max. switching current

80A

Max. switching power

15000VA

Electrical life

1x104 OPS

Mechanical life

1x106 OPS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CHARACTERISTICS

Insulation resistance

1000MΩ (at 500VDC)

Dielectric

strength

Between contact & coil

4000VAC 1min

Between contacts

1800VAC 1min

Operation time

Max.20ms

Comeback time

Max.20ms

Vibration resistance

10-55Hz, 1.5mm(DA)

Humidity

98%RH, +40°C

Termination

PCB&QC

Weight

47g

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COIL DATA

Nominal coil voltage

Single coil resistance

Dual coil resistance

6VDC

36Ω

2X18Ω

9VDC

80Ω

2X40Ω

12VDC

135Ω

2X70Ω

24VDC

550Ω

2X280Ω

 

 

 

 

 

 

 

 

 

 

ORDER INFO

-----------------------

DS903B

A

80A

9V

D

T

Relay Model

 

 

 

 

 

 

Connecting form

A/B/C/D/E

Terminal Type

80A 90A

Coil Voltage

6/9/12/24VDC

Coil Type

Single-No mark   Double-D

Contact Material

D – AgCdO12 T – AgSnO2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Other Data

1.Size(mm): 39.2x31.7x17.9

2.Space between pins (mm): 5

3.Space between springs(mm): 8.5

4.Coil polarity: Positive/ Negative

5.Coil type: Single coil(two pins)/ Double coil(three pins)

 

Advantages

1.Only need pulse excitation and can be single or double coils working.

2.Small volume and PCB installation.

3.Low power consumption and strong load capacity.

4.Security, reliable and long working life.

5.Relay driver IC RY8023 can be provided if need.

 

Note

1.Free SAMPLE for testing(1~5pcs);

2.Factory price, FOB Shenzhen;

3.Welding accessories according to clients requirement;

4.If clients have special requirement on size of other dimension, please sent us the details or drawings;

5.Delivery: within 30 days after receiving the payment(this is for MOQ, any problem or special requests, contact us).

6.Provide OEM and ODM service.

7.Our brother company have combined with us, so now we also manufacture LITHIUM PRIMARY BATTERY.

 

Usage

Be fit for Prepayment energy Meter and AMR system Combination switch, reactive power compensation devices and automatic control.

 

 

 

Our Plant

 

 

 

Packing

 

 

Other product types

 

With accessories

(The dimension of accessory could be customized as drawings)

e.g.1(double coil)

 

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China (Mainland) | Manufacturer, Trading Company
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