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SIEMENS ENERGY 3RH29111FA22 Auxiliary Contact Relay

The Siemens 3RH29111FA22 is a robust power relay designed for use in contactor relays and power contactors. It features 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts, providing flexibility in control circuit design. The relay boasts a mechanical service life of 10 million switching cycles and an electrical endurance of 200,000 cycles at AC-15, ensuring reliable performance. It is suitable for a wide range of industrial applications including motor control, lighting control, and HVAC systems. The relay's snap-on mounting and screw-type terminals simplify installation and maintenance. It also includes features like mirror contact and positively driven operation for enhanced safety and reliability.

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Source:DigiKey
Part No:3RH29111FA22
Stock:79
Inv Date:05-29-2026
Price: Unit price: $54.1
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Part No:3RH29111FA22
Stock:35
Inv Date:05-30-2026
Price: Unit price: $54.09
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Part No:3RH29111FA22
Stock:320
Inv Date:05-29-2026
Price: Unit price: $48.68
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Part No:3RH29111FA22
Stock:19
Inv Date:05-29-2026
Price: Unit price: $70.9
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Part No:3RH29111FA22
Stock:19
Inv Date:05-29-2026
Price: Unit price: $70.9
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SIEMENS ENERGY 3RH29111FA22 Auxiliary Contact Relay Specifications:

  • Product brand name: SIRIUS
  • Suitability for use: Contactor relay and power contactor
  • Protection class IP on the front: IP20
  • Ambient temperature during storage: -55 ... +80 °C
  • Ambient temperature during operation: -25 ... +60 °C
  • Mechanical service life (switching cycles) typical: 10 000 000
  • Electrical endurance (switching cycles) at AC-15 at 230 V typical: 200 000
  • Contact reliability: one incorrect switching operation of 100 million switching operations (17 V, 1 mA)
  • Contact reliability of auxiliary contacts: 1 faulty switching per 100 million (17 V, 1 mA)
  • Insulation voltage with degree of pollution 3 rated value: 690 V
  • Surge voltage resistance rated value: 6 kV
  • Number of NC contacts for auxiliary contacts: 2
  • Number of NO contacts for auxiliary contacts: 2
  • Operating current of auxiliary contacts at AC-12 at 24 V: 10 A
  • Operating current of auxiliary contacts at AC-12 at 230 V: 10 A
  • Operating current of auxiliary contacts at AC-12 maximum: 10 A
  • Operating current of auxiliary contacts at AC-14 at 125 V: 6 A
  • Operating current of auxiliary contacts at AC-14 at 250 V: 6 A
  • Operating current of auxiliary contacts at AC-15 at 24 V: 6 A
  • Operating current of auxiliary contacts at AC-15 at 230 V: 6 A
  • Operating current of auxiliary contacts at AC-15 at 400 V: 3 A
  • Operating current of auxiliary contacts at AC-15 at 690 V rated value: 1 A
  • Operating current of auxiliary contacts at DC-12 at 24 V: 10 A
  • Operating current of auxiliary contacts at DC-12 at 110 V: 3 A
  • Operating current of auxiliary contacts at DC-12 at 220 V: 1 A
  • Operating current with 2 current paths in series at DC-12 at 24 V rated value: 10 A
  • Operating current with 2 current paths in series at DC-12 at 60 V rated value: 10 A
  • Operating current with 2 current paths in series at DC-12 at 110 V rated value: 4 A
  • Operating current with 2 current paths in series at DC-12 at 220 V rated value: 2 A
  • Operating current with 2 current paths in series at DC-12 at 440 V rated value: 1.3 A
  • Operating current with 2 current paths in series at DC-12 at 600 V rated value: 0.65 A
  • Operating current with 3 current paths in series at DC-12 at 24 V rated value: 10 A
  • Operating current with 3 current paths in series at DC-12 at 60 V rated value: 10 A
  • Operating current with 3 current paths in series at DC-12 at 110 V rated value: 10 A
  • Operating current with 3 current paths in series at DC-12 at 220 V rated value: 3.6 A
  • Operating current with 3 current paths in series at DC-12 at 440 V rated value: 2.5 A
  • Operating current with 3 current paths in series at DC-12 at 600 V rated value: 1.8 A
  • Operating current of auxiliary contacts at DC-13 at 24 V: 6 A
  • Operating current of auxiliary contacts at DC-13 at 60 V: 2 A
  • Operating current of auxiliary contacts at DC-13 at 110 V: 1 A
  • Operating current of auxiliary contacts at DC-13 at 220 V: 0.3 A
  • Operating current with 2 current paths in series at DC-13 at 24 V rated value: 10 A
  • Operating current with 2 current paths in series at DC-13 at 60 V rated value: 3.5 A
  • Operating current with 2 current paths in series at DC-13 at 110 V rated value: 1.3 A
  • Operating current with 2 current paths in series at DC-13 at 220 V rated value: 0.9 A
  • Operating current with 2 current paths in series at DC-13 at 440 V rated value: 0.2 A
  • Operating current with 2 current paths in series at DC-13 at 600 V rated value: 0.1 A
  • Operating current with 3 current paths in series at DC-13 at 24 V rated value: 10 A
  • Operating current with 3 current paths in series at DC-13 at 60 V rated value: 4.7 A
  • Operating current with 3 current paths in series at DC-13 at 110 V rated value: 3 A
  • Operating current with 3 current paths in series at DC-13 at 220 V rated value: 1.2 A
  • Operating current with 3 current paths in series at DC-13 at 440 V rated value: 0.5 A
  • Operating current with 3 current paths in series at DC-13 at 600 V rated value: 0.26 A
  • Mounting type: snap-on mounting
  • Width: 36 mm
  • Height: 37.5 mm
  • Depth: 43.7 mm
  • Type of electrical connection for auxiliary and control current circuit: screw-type terminals
  • Connectable conductor cross-sections finely stranded: 2x (0.5 ... 1.5 mm²)
  • Connectable conductor cross-sections with core end processing: 2x (0.75 ... 2.5 mm²)
  • Connectable conductors at AWG conductors for auxiliary contacts: 2x (20 ... 16), 2x (18 ... 14)
  • Product function Mirror contact acc. to IEC 60947-4-1: Yes
  • Product function positively driven operation acc. to IEC 60947-5-1: Yes

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