Siemens 3RT10666NF36 - Contactor Relay 38A 120VAC
Siemens 3RT10666NF36 - Contactor Relay 38A 120VAC

Siemens 3RT10666NF36 - Contactor Relay 38A 120VAC

Siemens
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Siemens 3RT10666NF36 is a compact contactor relay designed for motor switching and control applications in industrial automation systems. This device operates with a coil voltage of 110-120 VAC at 50/60 Hz and is rated for a continuous current of up to 38 A, supporting three-phase motor loads up to 18.5 kW at 400 VAC. The unit measures 7.717 x 10.433 x 9.213 inches, weighs 14.722 lb, and features a screw-type terminal connection with a robust thermoplastic enclosure for durability. It complies with IEC 60947-4-1 and UL 508 standards, ensuring reliable performance in demanding environments. Typical applications include conveyor systems, pumps, fans, and compressors in manufacturing and process industries.

Key Features & Specifications
  • Type: Contactor relay, 3-pole, screw terminals
  • Voltage Rating: 110-120 VAC (coil), 400 VAC (main circuit)
  • Current Rating: 38 A (AC-3)
  • Dimensions: 7.717 x 10.433 x 9.213 inch
  • Standards: IEC 60947-4-1, UL 508
  • Applications: Motor switching, conveyor systems, pumps, fans, compressors
  • Switch Type: Contactor
  • Configuration: 3-pole, normally open
  • Coil Voltage Maximum: 120 VAC
  • Temp Rating: -25 to 60 °C
  • Shipping Dimensions: 7.717 x 10.433 x 9.213 inch
  • Phase: 3-phase
  • Voltage: 400 VAC
  • Amperage: 38 A
  • AIC rating: Not specified
  • Connection: Screw terminals
  • Poles: 3
  • Protection: Overload relay compatible
  • Functions: Motor switching, control
  • Frame Size: S2
  • Trip Type: Not applicable
  • Panel Type: Open
  • Breaker Type: Not applicable
  • Control Voltage Minimum: 110 VAC
  • Control Voltage Maximum: 120 VAC
  • MCM Size: Not applicable
  • Metal Type: Not applicable
  • Panel Style: Open
  • Bus Type: Not applicable
  • Fuse Class: Not applicable
  • Insulation Temperature: Not specified
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: DIN rail or screw
  • Hz: 50/60 Hz
  • Coil Material: Copper
  • Horse Power: 25 HP at 460 VAC
  • Aux Contacts: 2 NO + 2 NC
  • CPT: Not included
  • Full Load Amps: 38 A
  • Dist Voltage: 400 VAC
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 38 A
  • Full Load Amp Minimum: 0 A
  • Enclosure: Open
  • Relay Style: Contactor
  • Coil Voltage Minimum: 110 VAC
  • Wire: Copper
  • Amperage Maximum: 38 A
  • Amperage Minimum: 0 A
  • Nema Rating: Not specified
  • Switch Style: Contactor
  • Wire Size: 14-4 AWG
  • Certification: CE, UL, CSA
  • Circuit Breaker Mounting Style: Not applicable
  • Terminal Connection: Screw
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: IEC 60947-4-1, UL 508
  • Compatible Frames: S2
  • Installation Type: Panel or DIN rail
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: Not applicable
  • Current Rating: 38 A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not specified
  • Peak Pulse Current: Not applicable
  • Breakdown Voltage (MIN VBR@IT ) (V): Not applicable
  • Breakdown Voltage (VBR@IT) (V): Not applicable
  • Polarity: Not applicable
  • Operating Temperature Maximum Celsius: 60 °C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 754554773773
  • GTIN: 00754554773773