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HGFR Mercury Relay

HGFR High Frequency Mercury Wetted Relay Series

Ultra Low Contact Resistance <10mĪ© | High Frequency Operation

All Models (12)

HGFR05-1A

Voltage500V DC
Current1A
Coil5V
Contact1 Form A

HGFR05-2A

Voltage500V DC
Current1A
Coil5V
Contact2 Form A

HGFR05-3A

Voltage500V DC
Current1A
Coil5V
Contact3 Form A

HGFR05-4A

Voltage500V DC
Current1A
Coil5V
Contact4 Form A

HGFR12-1A

Voltage500V DC
Current1A
Coil12V
Contact1 Form A

HGFR12-2A

Voltage500V DC
Current1A
Coil12V
Contact2 Form A

HGFR12-3A

Voltage500V DC
Current1A
Coil12V
Contact3 Form A

HGFR12-4A

Voltage500V DC
Current1A
Coil12V
Contact4 Form A

HGFR24-1A

Voltage500V DC
Current1A
Coil24V
Contact1 Form A

HGFR24-2A

Voltage500V DC
Current1A
Coil24V
Contact2 Form A

HGFR24-3A

Voltage500V DC
Current1A
Coil24V
Contact3 Form A

HGFR24-4A

Voltage500V DC
Current1A
Coil24V
Contact4 Form A

Applications

ATE SystemsPrecision MeasurementTest EquipmentSignal Switching

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Engineering selection guide

Mercury wetted relay selection details

Specify mercury-wetted relays by bounce requirement, contact stability, switching voltage/current, orientation, contact form, package and mercury-use acceptance in the end market.

Download selection catalog PDF
Download family datasheet PDF
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Mercury wetted relay selection details product reference image
Representative product image; exact package and marking vary by model.
Mercury wetted relay selection details dimension envelope illustration
Dimension envelope illustration; use the final drawing before PCB/tooling release.

Selection checklist

  • Bounce-free or low-bounce switching need
  • Vertical mounting/orientation and vibration environment
  • Switching voltage/current and contact resistance
  • Insulation/leakage requirement
  • Regulatory acceptance of mercury-wetted parts
  • Replacement target: Coto, Clare, Aleph or legacy relay

Representative models

HGFR12-4AHGFR24-2A-01HGMR12-1A001HGSR12-2A04HVR1A12-HGMH12-1A8K

Use these models as starting points when comparing voltage, current, contact form, package and application duty.

Model code example: HGFR12-4A-01

HGFR
High-voltage mercury-wetted reed relay family
12
Coil voltage: 05 / 12 / 24 VDC
4A
Four Form A normally open contacts
01
Package / terminal / shield option
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