TE Connectivity Electromechanical Relays & Contactors 1558740-8

Description
Body Features Enclosure Type : Flux Resistant Automatic Solder Capable & Washable Product Weight : 29.5 G  [1.041 OZ ] Configuration Features Contact Arrangement : 2A (NO) + 2B (NC) Contact Number of Poles : 4 Contact Features Contact Material : AgSnO2 Dimensions Insulation Clearance Between Contact & Coil : 5.6 MM  [.22 INCH ] Insulation Creepage Between Contact & Coil : 5.6 MM  [.22 INCH ] Product Height : 15.7 MM  [.618 INCH ] Product Length : 55 MM  [2.165 INCH ] Product Width : 16.5 MM  [.65 INCH ] Electrical Characteristics Coil Power Rating DC (WATT) : .55 Coil Resistance (OHM) : 1047 Coil Voltage Rating (VDC) : 24 Contact Current Rating (AMP) : 8 Contact Switching Load (Min) : 1mA @ 5V Contact Switching Voltage (Max) (VAC) : 400 Contact Voltage Rating (VAC) : 277 Insulation Initial Dielectric Between Adjacent Contacts (VRMS) : 3000 Insulation Initial Dielectric Between Contacts & Coil (VRMS) : 4000 Insulation Initial Dielectric Between Open Contacts (VRMS) : 1500 Mechanical Attachment Product Mount Type : Board Mount Operation/Applicatio n Coil Magnetic System : Monostable Solder Process : Wave Solder Capable Other Coil Power Rating Class (WATT) : >.3 - ≤.6 Contact Current Class (AMP) : >5 - ≤10 Height Class (Mechanical) : >14 - ≤16 MM  [>.551 - ≤.63 INCH ] Length Class (Mechanical) : >45 - ≤70 MM  [>1.772 - ≤2.756 INCH ] Width Class (Mechanical) : >16 - ≤22 MM  [>.63 - ≤.866 INCH ] Packaging Features Packaging Method : Box & Tube Product Availability Product Availability : Worldwide Product Type Features Relay & Contactor Type : Force-Guided Relay Termination Features Coil Termination & Connection Type : Solder Pins Main Termination & Connection Type : Solder Pins Usage Conditions Environmental Ambient Temperature (Max) : 85 DEGC  [185 DEGF ] Environmental Category of Protection : RTIII Operating Temperature Range : -40 - 85 DEGC  [-40 - 185 DEGF ]
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Description
Body Features Enclosure Type : Flux Resistant Automatic Solder Capable & Washable Product Weight : 29.5 G  [1.041 OZ ] Configuration Features Contact Arrangement : 2A (NO) + 2B (NC) Contact Number of Poles : 4 Contact Features Contact Material : AgSnO2 Dimensions Insulation Clearance Between Contact & Coil : 5.6 MM  [.22 INCH ] Insulation Creepage Between Contact & Coil : 5.6 MM  [.22 INCH ] Product Height : 15.7 MM  [.618 INCH ] Product Length : 55 MM  [2.165 INCH ] Product Width : 16.5 MM  [.65 INCH ] Electrical Characteristics Coil Power Rating DC (WATT) : .55 Coil Resistance (OHM) : 1047 Coil Voltage Rating (VDC) : 24 Contact Current Rating (AMP) : 8 Contact Switching Load (Min) : 1mA @ 5V Contact Switching Voltage (Max) (VAC) : 400 Contact Voltage Rating (VAC) : 277 Insulation Initial Dielectric Between Adjacent Contacts (VRMS) : 3000 Insulation Initial Dielectric Between Contacts & Coil (VRMS) : 4000 Insulation Initial Dielectric Between Open Contacts (VRMS) : 1500 Mechanical Attachment Product Mount Type : Board Mount Operation/Applicatio n Coil Magnetic System : Monostable Solder Process : Wave Solder Capable Other Coil Power Rating Class (WATT) : >.3 - ≤.6 Contact Current Class (AMP) : >5 - ≤10 Height Class (Mechanical) : >14 - ≤16 MM  [>.551 - ≤.63 INCH ] Length Class (Mechanical) : >45 - ≤70 MM  [>1.772 - ≤2.756 INCH ] Width Class (Mechanical) : >16 - ≤22 MM  [>.63 - ≤.866 INCH ] Packaging Features Packaging Method : Box & Tube Product Availability Product Availability : Worldwide Product Type Features Relay & Contactor Type : Force-Guided Relay Termination Features Coil Termination & Connection Type : Solder Pins Main Termination & Connection Type : Solder Pins Usage Conditions Environmental Ambient Temperature (Max) : 85 DEGC  [185 DEGF ] Environmental Category of Protection : RTIII Operating Temperature Range : -40 - 85 DEGC  [-40 - 185 DEGF ]
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Datasheet
Datasheet Summary
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The SR6-223-U024 is a monostable, force-guided relay with a 2 form A (NO) and 2 form B (NC) contact arrangement, designed for safety-critical applications requiring diagnostic coverage of 99% per IEC 61508-2. It features AgSnO2 contact material, a 550 mW coil power rating, and operates on 24 VDC with a coil resistance of 1047 Ω. The relay supports a maximum switching voltage of 400 VAC and a rated contact current of 8 A, with a minimum recommended load of 5 V / 1 mA. It measures 15.7 mm in height and fits 22.5 mm DIN rail housings. Reinforced isolation is provided between all contacts and the coil, meeting IEC EN 62477. The device complies with VDE, TUV, UL, and CCC safety standards.

Datasheet Summary
Powered by GS/AI

The SR6-223-U024 is a monostable, force-guided relay with a 2 form A (NO) and 2 form B (NC) contact arrangement, designed for safety-critical applications requiring diagnostic coverage of 99% per IEC 61508-2. It features AgSnO2 contact material, a 550 mW coil power rating, and operates on 24 VDC with a coil resistance of 1047 Ω. The relay supports a maximum switching voltage of 400 VAC and a rated contact current of 8 A, with a minimum recommended load of 5 V / 1 mA. It measures 15.7 mm in height and fits 22.5 mm DIN rail housings. Reinforced isolation is provided between all contacts and the coil, meeting IEC EN 62477. The device complies with VDE, TUV, UL, and CCC safety standards.

Suppliers

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Product
Description
Supplier Links
Electromechanical Relays & Contactors - 1558740-8 - TE Connectivity
Berwyn, PA, United States
Electromechanical Relays & Contactors
1558740-8
Electromechanical Relays & Contactors 1558740-8
Body Features Enclosure Type : Flux Resistant Automatic Solder Capable & Washable Product Weight : 29.5 G  [1.041 OZ ] Configuration Features Contact Arrangement : 2A (NO) + 2B (NC) Contact Number of Poles : 4 Contact Features Contact Material : AgSnO2 Dimensions Insulation Clearance Between Contact & Coil : 5.6 MM  [.22 INCH ] Insulation Creepage Between Contact & Coil : 5.6 MM  [.22 INCH ] Product Height : 15.7 MM  [.618 INCH ] Product Length : 55 MM  [2.165 INCH ] Product Width : 16.5 MM  [.65 INCH ] Electrical Characteristics Coil Power Rating DC (WATT) : .55 Coil Resistance (OHM) : 1047 Coil Voltage Rating (VDC) : 24 Contact Current Rating (AMP) : 8 Contact Switching Load (Min) : 1mA @ 5V Contact Switching Voltage (Max) (VAC) : 400 Contact Voltage Rating (VAC) : 277 Insulation Initial Dielectric Between Adjacent Contacts (VRMS) : 3000 Insulation Initial Dielectric Between Contacts & Coil (VRMS) : 4000 Insulation Initial Dielectric Between Open Contacts (VRMS) : 1500 Mechanical Attachment Product Mount Type : Board Mount Operation/Applicatio n Coil Magnetic System : Monostable Solder Process : Wave Solder Capable Other Coil Power Rating Class (WATT) : >.3 - ≤.6 Contact Current Class (AMP) : >5 - ≤10 Height Class (Mechanical) : >14 - ≤16 MM  [>.551 - ≤.63 INCH ] Length Class (Mechanical) : >45 - ≤70 MM  [>1.772 - ≤2.756 INCH ] Width Class (Mechanical) : >16 - ≤22 MM  [>.63 - ≤.866 INCH ] Packaging Features Packaging Method : Box & Tube Product Availability Product Availability : Worldwide Product Type Features Relay & Contactor Type : Force-Guided Relay Termination Features Coil Termination & Connection Type : Solder Pins Main Termination & Connection Type : Solder Pins Usage Conditions Environmental Ambient Temperature (Max) : 85 DEGC  [185 DEGF ] Environmental Category of Protection : RTIII Operating Temperature Range : -40 - 85 DEGC  [-40 - 185 DEGF ]

Body Features


  • Enclosure Type : Flux Resistant Automatic Solder Capable & Washable
  • Product Weight : 29.5 G  [1.041 OZ ]

Configuration Features


  • Contact Arrangement : 2A (NO) + 2B (NC)
  • Contact Number of Poles : 4

Contact Features


  • Contact Material : AgSnO2

Dimensions


  • Insulation Clearance Between Contact & Coil : 5.6 MM  [.22 INCH ]
  • Insulation Creepage Between Contact & Coil : 5.6 MM  [.22 INCH ]
  • Product Height : 15.7 MM  [.618 INCH ]
  • Product Length : 55 MM  [2.165 INCH ]
  • Product Width : 16.5 MM  [.65 INCH ]

Electrical Characteristics


  • Coil Power Rating DC (WATT) : .55
  • Coil Resistance (OHM) : 1047
  • Coil Voltage Rating (VDC) : 24
  • Contact Current Rating (AMP) : 8
  • Contact Switching Load (Min) : 1mA @ 5V
  • Contact Switching Voltage (Max) (VAC) : 400
  • Contact Voltage Rating (VAC) : 277
  • Insulation Initial Dielectric Between Adjacent Contacts (VRMS) : 3000
  • Insulation Initial Dielectric Between Contacts & Coil (VRMS) : 4000
  • Insulation Initial Dielectric Between Open Contacts (VRMS) : 1500

Mechanical Attachment


  • Product Mount Type : Board Mount

Operation/Application


  • Coil Magnetic System : Monostable
  • Solder Process : Wave Solder Capable

Other


  • Coil Power Rating Class (WATT) : >.3 - ≤.6
  • Contact Current Class (AMP) : >5 - ≤10
  • Height Class (Mechanical) : >14 - ≤16 MM  [>.551 - ≤.63 INCH ]
  • Length Class (Mechanical) : >45 - ≤70 MM  [>1.772 - ≤2.756 INCH ]
  • Width Class (Mechanical) : >16 - ≤22 MM  [>.63 - ≤.866 INCH ]

Packaging Features


  • Packaging Method : Box & Tube

Product Availability


  • Product Availability : Worldwide

Product Type Features


  • Relay & Contactor Type : Force-Guided Relay

Termination Features


  • Coil Termination & Connection Type : Solder Pins
  • Main Termination & Connection Type : Solder Pins

Usage Conditions


  • Environmental Ambient Temperature (Max) : 85 DEGC  [185 DEGF ]
  • Environmental Category of Protection : RTIII
  • Operating Temperature Range : -40 - 85 DEGC  [-40 - 185 DEGF ]
Buy Now Datasheet
Power Relays, Over 2 Amps - 41-1558740-8-ND - DigiKey
Thief River Falls, MN, United States
Power Relays, Over 2 Amps
41-1558740-8-ND
Power Relays, Over 2 Amps 41-1558740-8-ND
SR6-223-U024

SR6-223-U024

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Technical Specifications

  TE Connectivity DigiKey
Product Category Electromechanical Relays Electromechanical Relays
Product Number 1558740-8 41-1558740-8-ND
Product Name Electromechanical Relays & Contactors Power Relays, Over 2 Amps
Approvals EU ELV Compliant; RoHS
Operating Temp -40 to 185 F (-40 to 85 C) -40 to 185 F (-40 to 85 C)
AC Voltage 400 volts
DC Power 0.5500 watts
DC Coil Voltage 24 volts 24 volts
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