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Interface Relays and Optocouplers
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1SNA645001R0300 - ABB 1SNA645001R0300 - ABB 1SNA645001R0300, RB121A 24VAC/DC RELAY

1SNA645001R0300 - ABB 1SNA645001R0300, RB121A 24VAC/DC RELAY

Price: $24.39
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1SNA645002R0400 - ABB 1SNA645002R0400 - ABB 1SNA645002R0400, RB121A 48-60VAC/DC RELAY

1SNA645002R0400 - ABB 1SNA645002R0400, RB121A 48-60VAC/DC RELAY

Price: $26.41
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1SNA645003R0500 - ABB 1SNA645003R0500 - ABB 1SNA645003R0500, 1SNA1A 115VAC/DC RELAY

1SNA645003R0500 - ABB 1SNA645003R0500, 1SNA1A 115VAC/DC RELAY

Price: $29.26
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1SNA645004R0400 - ABB 1SNA645004R0400 - ABB 1SNA645004R0400, RELAY MODULERB121 A-230VAC/DC

1SNA645004R0400 - ABB 1SNA645004R0400, RELAY MODULERB121 A-230VAC/DC

Price: $30.47
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1SNA645005R0700 - ABB 1SNA645005R0700 - ABB 1SNA645005R0700, RB121A 24VSC/DC RELAY

1SNA645005R0700 - ABB 1SNA645005R0700, RB121A 24VSC/DC RELAY

Price: $25.40
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1SNA645006R0000 - ABB 1SNA645006R0000 - ABB 1SNA645006R0000, RB121A 48-60VAC/DC RELAY

1SNA645006R0000 - ABB 1SNA645006R0000, RB121A 48-60VAC/DC RELAY

Price: $27.43
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1SNA645007R0100 - ABB 1SNA645007R0100 - ABB 1SNA645007R0100, RB121A 115VAC/DC RELAY

1SNA645007R0100 - ABB 1SNA645007R0100, RB121A 115VAC/DC RELAY

Price: $30.27
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1SNA645008R1200 - ABB 1SNA645008R1200 - ABB 1SNA645008R1200, RB121A 230VAC/DC RELAY

1SNA645008R1200 - ABB 1SNA645008R1200, RB121A 230VAC/DC RELAY

Price: $31.50
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1SNA645011R2400 - ABB 1SNA645011R2400 - ABB 1SNA645011R2400, RB121AR 230VAC/DC RELAY

1SNA645011R2400 - ABB 1SNA645011R2400, RB121AR 230VAC/DC RELAY

Price: $53.84
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1SNA645012R2500 - ABB 1SNA645012R2500 - ABB 1SNA645012R2500, RB122A 24VAC/DC RELAY

1SNA645012R2500 - ABB 1SNA645012R2500, RB122A 24VAC/DC RELAY

Price: $34.54
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1SNA645013R2600 - ABB 1SNA645013R2600 - ABB 1SNA645013R2600, RB122A 230VAC/DC RELAY

1SNA645013R2600 - ABB 1SNA645013R2600, RB122A 230VAC/DC RELAY

Price: $48.76
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1SNA645014R2700 - ABB 1SNA645014R2700 - ABB 1SNA645014R2700, RB111A 24VAC/DC RELAY

1SNA645014R2700 - ABB 1SNA645014R2700, RB111A 24VAC/DC RELAY

Price: $23.37
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1SNA645016R2100 - ABB 1SNA645016R2100 - ABB 1SNA645016R2100, RB111A 115VAC/DC RELAY

1SNA645016R2100 - ABB 1SNA645016R2100, RB111A 115VAC/DC RELAY

Price: $28.24
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1SNA645017R2200 - ABB 1SNA645017R2200 - ABB 1SNA645017R2200, RB111A 230VAC/DC RELAY

1SNA645017R2200 - ABB 1SNA645017R2200, RB111A 230VAC/DC RELAY

Price: $29.46
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1SNA645018R0300 - ABB 1SNA645018R0300 - ABB 1SNA645018R0300, RB111AR 24VAC/DC RELAY

1SNA645018R0300 - ABB 1SNA645018R0300, RB111AR 24VAC/DC RELAY

Price: $40.64
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1SNA645019R0400 - ABB 1SNA645019R0400 - ABB 1SNA645019R0400, RB101AR 24VAC/DC RELAY

1SNA645019R0400 - ABB 1SNA645019R0400, RB101AR 24VAC/DC RELAY

Price: $40.64
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1SNA645020R0100 - ABB 1SNA645020R0100 - ABB 1SNA645020R0100, RB121A 60-230VAC/DC R600 WIDE VOLT

1SNA645020R0100 - ABB 1SNA645020R0100, RB121A 60-230VAC/DC  R600 WIDE VOLT

Price: $67.96
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1SNA645021R2600 - ABB 1SNA645021R2600 - ABB 1SNA645021R2600, OPTOCOUPLER MODULE OBIC0100 24VDC

1SNA645021R2600 - ABB 1SNA645021R2600, OPTOCOUPLER MODULE OBIC0100 24VDC

Price: $32.71
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1SNA645022R2700 - ABB 1SNA645022R2700 - ABB 1SNA645022R2700, OBIC0100 115/230VAC/DC

1SNA645022R2700 - ABB 1SNA645022R2700, OBIC0100 115/230VAC/DC

Price: $39.51
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1SNA645024R2100 - ABB 1SNA645024R2100 - ABB 1SNA645024R2100, OBOC5000 24VDC OPTO

1SNA645024R2100 - ABB 1SNA645024R2100, OBOC5000 24VDC OPTO

Price: $60.96
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1SNA645025R2200 - ABB 1SNA645025R2200 - ABB 1SNA645025R2200, OPTO COUPLER MODULE 24VAC/ 24VDC

1SNA645025R2200 - ABB 1SNA645025R2200, OPTO COUPLER MODULE 24VAC/ 24VDC

Price: $47.64
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1SNA645026R2300 - ABB 1SNA645026R2300 - ABB 1SNA645026R2300, OBOC1000 230VAC/DC OPTO

1SNA645026R2300 - ABB 1SNA645026R2300, OBOC1000 230VAC/DC OPTO

Price: $52.41
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1SNA645027R2400 - ABB 1SNA645027R2400 - ABB 1SNA645027R2400, OBOA1000 24VDC OPTO

1SNA645027R2400 - ABB 1SNA645027R2400, OBOA1000 24VDC OPTO

Price: $47.64
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1SNA645028R0500 - ABB 1SNA645028R0500 - ABB 1SNA645028R0500, OBOA1000 230VAC/DC OPTO

1SNA645028R0500 - ABB 1SNA645028R0500, OBOA1000 230VAC/DC OPTO

Price: $52.41
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1SNA645029R0600 - ABB 1SNA645029R0600 - ABB 1SNA645029R0600, OBOA2000 24VDC OPTO

1SNA645029R0600 - ABB 1SNA645029R0600, OBOA2000 24VDC OPTO

Price: $60.96
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1SNA645034R2300 - ABB 1SNA645034R2300 - ABB 1SNA645034R2300, RB121 5VDC RELAY

1SNA645034R2300 - ABB 1SNA645034R2300, RB121 5VDC RELAY

Price: $30.47
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1SNA645035R2400 - ABB 1SNA645035R2400 - ABB 1SNA645035R2400, RB121 12VDC RELAY

1SNA645035R2400 - ABB 1SNA645035R2400, RB121 12VDC RELAY

Price: $30.47
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1SNA645036R2500 - ABB 1SNA645036R2500 - ABB 1SNA645036R2500, RB121 5VDC RELAY

1SNA645036R2500 - ABB 1SNA645036R2500, RB121 5VDC RELAY

Price: $31.50
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1SNA645040R1500 - ABB 1SNA645040R1500 - ABB 1SNA645040R1500, RB122A 48-60VAC/DC RELAY

1SNA645040R1500 - ABB 1SNA645040R1500, RB122A 48-60VAC/DC RELAY

Price: $38.60
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1SNA645041R0200 - ABB 1SNA645041R0200 - ABB 1SNA645041R0200, RB122A 115VAC/DC RELAY

1SNA645041R0200 - ABB 1SNA645041R0200, RB122A 115VAC/DC RELAY

Price: $48.76
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Interface Relays and Optocouplers
ABB’s interface relays and optocouplers ensure a reliable voltage conversion between process peripherals and higher level control systems. For all sort of machinery, our relays ensure reliable signal switching and provide electrical isolation for your sensitive electronics such as PLCs. The wide variety of pluggable interface relays with standard or logic sockets can be used for switching AC or DC loads. Suitable for extreme environments, ABB’s interface relays offers a range of different coil voltages and plug-in functional modules. Environmental-friendly thanks to cadmium- and lead-free material selection and production (e.g. for ROHS requirements).

Main benefits

  • Safe and reliable voltage conversion
  • Highest contact ratings
  • Pluggable function modules for highest application requirements

Main features

  • Coil voltages from 5 V DC up to 230 V AC
  • Up to 16 A contact ratings
  • Up to 4 output contacts
  • Pluggable function moduls such as RC elements avialable
  • Integrated test button for manual operation
  • Gold plated contacts available for lowest contact resistivity
pdfDownload the Electronic Products and Relays catalog in *.pdf format