Motor Control, Solid-State

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Contactors

Introduction Standards Compliance and Certifications Product Selection Specifications Typical Wiring Diagram(s)
Approximate Dimensions Overtemperature Alarm Cutout/Protection Operation Current Monitoring Operation Multi-Function Analog Operation
Product Selection

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Solid-State Power Contactors

Single-Phase§ 

Current Rating [A] Control Voltage Hp Rating @ 40 °C (104 °F) Operational Voltage
24…230V AC 42…600V AC
115V 230V 480V‡  600V‡  Cat. No.
20 24…275V AC, 24…48V DC 1/6 1/2 1 2 156-B20AA1 156-B20CA1
5…24V DC 156-B20AB1 156-B20CB1
30 24…275V AC, 24…48V DC 1/2 1-1/2 3 5 156-B30AA1 156-B30CA1
5…24V DC 156-B30AB1 156-B30CB1
45 24…275V AC, 24…48V DC 1 2 5 7-1/2 156-B45AA1 156-B45CA1
5…24V DC 156-B45AB1 156-B45CB1
50 24…275V AC, 24…48V DC 1 2 5 7-1/2 156-B50AA1 156-B50CA1
5…24V DC 156-B50AB1 156-B50CB1
70 24…275V AC, 24…48V DC 1-1/2 3 5 10 156-B70AA1 156-B70CA1
5…24V DC 156-B70AB1 156-B70CB1
75 24…275V AC, 24…48V DC 1-1/2 3 5 10 ∆  156-B75AA1 ∆  156-B75CA1
5…24V DC ∆  156-B75AB1 ∆  156-B75CB1
90 24…275V AC, 24…48V DC 1-1/2 3 5 10 ∆  156-B90AA1 ∆  156-B90CA1
5…24V DC ∆  156-B90AB1 ∆  156-B90CB1
  
§ Includes an integrated varistor for surge protection.
‡ These Hp ratings only apply to units with operational voltage ranges of 42…600V AC.
∆ Includes an integrated fan in the heat sink assembly. Fan will automatically switch on when necessary (approximately 125 °C internal temp.). Includes overtemperature protection. See Overtemperature Alarm Cutout/Protection Operation for details.

Dual-Phase§ 

Current Rating [A] Control Voltage Hp Rating @ 40 °C (104 °F) Operational Voltage
24…230V AC 48…600V AC
115V 230V 480V‡  600V‡  Cat. No.
25 24…275V AC, 24…190V DC 1 3 5 7-1/2 156-B25AA2 156-B25CA2
5…24V DC 156-B25AB2 156-B25CB2
32 24…275V AC, 24…190V DC 1 3 7-1/2 10 156-B32AA2 156-B32CA2
5…24V DC 156-B32AB2 156-B32CB2
  
§ Includes an integrated varistor for surge protection.
‡ These Hp ratings only apply to units with operational voltage ranges of 48…600V AC.

Three-Phase

Current Rating [A] Control Voltage Hp Rating @ 40 °C (104 °F) Operational Voltage
24…230V AC 48…600V AC
115V 230V 480V‡  600V‡  Cat. No.
20 24…275V AC, 24…190V DC 1 3 5 7-1/2 156-B20AA3 156-B20CA3
5…24V DC 1 3 5 7-1/2 156-B20AB3 156-B20CB3
25 24…275V AC, 24…190V DC 1 3 7-1/2 10 156-B25AA3 156-B25CA3
5…24V DC 1 3 7-1/2 10 156-B25AB3 156-B25CB3
32 24…275V AC, 24…190V DC 1 3 7-1/2 10 ∆  156-B32AA3 ∆  156-B32CA3
5…24V DC 1 3 7-1/2 10 ∆  156-B32AB3 ∆  156-B32CB3
  
‡ These Hp ratings only apply to units with operational voltage ranges of 48…600V AC.
∆ Includes an integrated fan in the heat sink assembly. Fan will automatically switch on when necessary (approximately 125 °C internal temp.). Includes overtemperature protection. See Overtemperature Alarm Cutout/Protection Operation for details.

Solid-State Specialty Contactors

Single-Phase with Current Monitoring⋆ 

Current Rating [A] Supply Voltage Control Voltage Rated Hp @ 40 °C (104 °F), 50/60 Hz Alarm Type Operational Voltage
24…265V AC 42…660V AC
115V AC 230V AC 480V AC‡  600V AC‡  Cat. No.
30 24V DC 4…32V DC 3/4 2 5 5 PNP, N.O. 156-B30ABP 156-B30CBP
NPN, N.O. 156-B30ABN 156-B30CBN
50 1 2 5 7-1/2 PNP, N.O. 156-B50ABP 156-B50CBP
NPN, N.O. 156-B50ABN 156-B50CBN
  
‡ These Hp ratings only apply to units with operational voltage ranges of 42…660V AC.
⋆ For current monitoring range, please see additional specifications on Specifications and monitoring Operations data on Product Description.

Single-Phase, Single-Pole, Multi-function Analog♣ 

Current Rating [A] Control Input Operational Voltage
90…265V AC 200…550V AC 410…660V AC
Cat. No.
30 0…10V DC§  156-B30AV1 156-B30BV1 156-B30CV1
4…20 mA 156-B30AC1 156-B30BC1 156-B30CC1
50 0…10V DC§  156-B50AV1 156-B50BV1 156-B50CV1
4…20 mA 156-B50AC1 156-B50BC1 156-B50CC1
  
♣ See additional specifications, see Specifications and current monitoring data on Product Description.
§ Requires a 24V AC/DC supply to power the control circuitry of the solid-state contactor. See wiring diagrams on Single-Phase for additional details.