Special-purpose Relay Selection Guide

Control Panel Relay

Built-in Relay

Terminal Relay

Special-purpose Relay

 Item                              Model

G4Q

G9B

Appearance

Features

Unique ratchet mechanism assures positive alternatetransfer/switching operation.

Ideal for controlling pumps and production lines with six or twelve stepping circuits.

Contact Ratings

Contact form

DPDT

SPST-NO

Mechanism

Single

Single

Material

Ag

Ag-alloy

Rated Load * (Resistive Load)

5A at 220 VAC /24 VDC,

500,000 steps min.

2A at 250 VAC/ 30 VDC

Maximum switched current

5A

2A

Failure rate (reference value)

6 to 100 VDC

6 to 200/(220) VAC

10 mA at 5 VDC

Coil Ratings

Rated Voltage

100 mA at 5 VDC

100 VAC, 200 VAC, 24 VDC

Power consumption (approx.)

3.9 W (DC)

6.4 VA (AC)

24 VDC 90 mA max.

100 or 200 VAC

120 mA max.

Endurance

Mechanical

5 x 10⁶ (step)

10 x 10⁶ (step)

Electrical

500 x 10³ (step)

300 x 10³ (step)

Dielectric Strength

Between coil and contacts

2,000 VAC for 1 min.

Between contacts of different polarities

2,000 VAC for 1 min.

Between contacts of same polarity

1,000 VAC for 1 min.

Between set and reset coil

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Ambient temperature

-10°C to 55°C

-25°C to 55°C

Function

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• Alarm indicator, operating indicator

Sealing

• Open

• Cased (unsealed)

Closed

Terminal construction **

Approved standards

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