1

Rely on ECE’s Relays,

and You Always Relax!

TELECOMMUNICATION RELAY

ETR ST SERIES

▓FEATURES

Miniature size with lightweight.

Low power consumption with various types of coil sensitivity for design flexibility.

Plastic sealed type available for washing protective.

Wide operation coil voltage range.

Comply with RoHS and REACH regulations.

▓SPECIFICATIONS

Contact Resistance

Max. 100mΩ at initial value. @100mA,6VDC

Contact Capacity

2 Amps at 120VAC Cosφ=1

2 Amps at 24VDC L/R=0

Operate Time

5m Sec. Max.

Release Time

3m Sec. Max.

Dielectric Strength

Between coil & Contact: 1000VAC at 50/60Hz for one minute

Between Contacts: 400VAC at 50/60Hz for one minute

Insulation Resistance

100MΩ Min. at 500VDC

▓COIL SPECIFICATION AT 20℃

℃

℃

℃

Coil

Sensitivity

Nominal

Voltage

(VDC)

Nominal

Current

(mA)

Coil

Resistance

(Ω±10%)

Power

Consumption

(W)

Pull-In

Voltage

(VDC)

Drop-Out

Voltage

(VDC)

Max.

Allowable

Voltage

(VDC)

3

120

25

5

71.4

70

6

60

100

9

40

225

12

30

400

ST-D1

24

15

1,600

Abt. 0.36

75%

Max.

5%

Min.

130%

3

67

45

5

40

125

6

33.3

180

9

22.5

400

12

16.7

720

ST-T1

24

8.3

2,880

Abt. 0.20

75%

Max.

5%

Min.

130%

3

50.0

60

5

29.9

167

6

25.0

240

9

16.7

540

12

12.5

960

ST-L1

24

6.3

3,800

Abt. 0.15

80%

Max.

5%

Max.

130%