Contactors & Relays – Mouser Finland

SIRIUS 3RH2 4- & 8-Pole Contactor Relays

Siemens SIRIUS 3RH2 4- and 8-Pole Contactor Relays are available with screw or spring-loaded terminals. The basic unit contains four contacts with terminal designations according to EN 50011. Siemens 3RH2 Contactor Relays feature high contact stability at low voltages and currents. This performance is suitable for solid-state circuits with currents ≥1mA at a voltage of ≥17V. 3RH21 Coupling Contactor Relays for Switching Auxiliary Circuits are tailored to the special requirements of working with electronic controls.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.
Contactors - Electromechanical CONTACTOR RELAY 3NO+1NC AC 240V SCREW 3RH21311AP60 Siemens 1: 113,53 € 4In Stock	Mfr. Part No. 3RH21311AP60 Mouser Part No 982-3RH21311AP60	Siemens	Contactors - Electromechanical CONTACTOR RELAY 3NO+1NC AC 240V SCREW Learn More about Siemens 3rh2 contactor relays	Datasheet	4In Stock	113,53 € 107,21 € 100,90 € 94,61 € 88,30 €	Min.: 1 Mult.: 1
Contactors - Electromechanical COUPLING RELAY 3NO+1NC DC 24V SCREW 3RH21311JB40 Siemens 1: 144,67 € 2In Stock	Mfr. Part No. 3RH21311JB40 Mouser Part No 982-3RH21311JB40	Siemens	Contactors - Electromechanical COUPLING RELAY 3NO+1NC DC 24V SCREW Learn More about Siemens 3rh2 contactor relays	Datasheet	2In Stock	144,67 € 135,06 € 126,64 € 118,75 €	Min.: 1 Mult.: 1
Contactors - Electromechanical CONTACTOR RELAY 3NO+1NC AC 110V SPRING 3RH21312AF00 Siemens 1: 113,53 € 3In Stock	Mfr. Part No. 3RH21312AF00 Mouser Part No 982-3RH21312AF00	Siemens	Contactors - Electromechanical CONTACTOR RELAY 3NO+1NC AC 110V SPRING Learn More about Siemens 3rh2 contactor relays	Datasheet	3In Stock	113,53 € 107,21 € 100,90 € 94,61 € 88,30 €	Min.: 1 Mult.: 1
Contactors - Electromechanical CONTACTOR RELAY 3NO+1NC DC 24V SPRING 3RH21312JB40 Siemens 1: 144,67 € 5In Stock	Mfr. Part No. 3RH21312JB40 Mouser Part No 982-3RH21312JB40	Siemens	Contactors - Electromechanical CONTACTOR RELAY 3NO+1NC DC 24V SPRING Learn More about Siemens 3rh2 contactor relays	Datasheet	5In Stock	144,67 € 135,06 € 126,64 € 118,75 €	Min.: 1 Mult.: 1
Contactors - Electromechanical CONTACTOR RELAY 4NO AC 24V SCREW 3RH21401AB00 Siemens 1: 113,53 € 3In Stock	Mfr. Part No. 3RH21401AB00 Mouser Part No 982-3RH21401AB00	Siemens	Contactors - Electromechanical CONTACTOR RELAY 4NO AC 24V SCREW Learn More about Siemens 3rh2 contactor relays	Datasheet	3In Stock	113,53 € 107,21 € 100,90 € 94,61 € 88,30 €	Min.: 1 Mult.: 1
Contactors - Electromechanical CONTACTOR RELAY 4NO AC 110V SCREW 3RH21401AF00 Siemens 1: 113,53 € 5In Stock	Mfr. Part No. 3RH21401AF00 Mouser Part No 982-3RH21401AF00	Siemens	Contactors - Electromechanical CONTACTOR RELAY 4NO AC 110V SCREW Learn More about Siemens 3rh2 contactor relays	Datasheet	5In Stock	113,53 € 107,21 € 100,90 € 94,61 € 88,30 €	Min.: 1 Mult.: 1
Contactors - Electromechanical CONTACTOR_AUX_3RH2140-1AP00_230V 3RH21401AP00 Siemens 1: 113,53 € 5In Stock	Mfr. Part No. 3RH21401AP00 Mouser Part No 982-3RH21401AP00	Siemens	Contactors - Electromechanical CONTACTOR_AUX_3RH2140-1AP00_230V Learn More about Siemens 3rh2 contactor relays	Datasheet	5In Stock	113,53 € 107,21 € 100,90 € 94,61 € 88,30 €	Min.: 1 Mult.: 1
Contactors - Electromechanical CONTACTOR RELAY 4NO AC 240V SCREW 3RH21401AP60 Siemens 1: 113,53 € 6In Stock	Mfr. Part No. 3RH21401AP60 Mouser Part No 982-3RH21401AP60	Siemens	Contactors - Electromechanical CONTACTOR RELAY 4NO AC 240V SCREW Learn More about Siemens 3rh2 contactor relays	Datasheet	6In Stock	113,53 € 107,21 € 100,90 € 94,61 € 88,30 €	Min.: 1 Mult.: 1
Contactors - Electromechanical CONTACTOR RELAY 4NO DC 24V SCREW 3RH21401BB40 Siemens 1: 125,53 € 3In Stock 11Expected 26/10/2026	Mfr. Part No. 3RH21401BB40 Mouser Part No 982-3RH21401BB40	Siemens	Contactors - Electromechanical CONTACTOR RELAY 4NO DC 24V SCREW Learn More about Siemens 3rh2 contactor relays	Datasheet	3In Stock 11Expected 26/10/2026	125,53 € 116,29 € 109,03 € 103,08 € View 103,07 € Quote	Min.: 1 Mult.: 1
Contactors - Electromechanical CONTACTOR RELAY 4NO DC 24V SPRING 3RH21402BB40 Siemens 1: 125,53 € 5In Stock	Mfr. Part No. 3RH21402BB40 Mouser Part No 982-3RH21402BB40	Siemens	Contactors - Electromechanical CONTACTOR RELAY 4NO DC 24V SPRING Learn More about Siemens 3rh2 contactor relays	Datasheet	5In Stock	125,53 € 116,29 € 109,03 € 103,06 €	Min.: 1 Mult.: 1
Contactors - Electromechanical CONTACTOR RELAY 4NO+4NC AC 120V SCREW 3RH22441AK60 Siemens 1: 175,89 € 3In Stock	Mfr. Part No. 3RH22441AK60 Mouser Part No 982-3RH22441AK60	Siemens	Contactors - Electromechanical CONTACTOR RELAY 4NO+4NC AC 120V SCREW Learn More about Siemens 3rh2 contactor relays	Datasheet	3In Stock	175,89 € 156,61 € 149,51 € 144,37 €	Min.: 1 Mult.: 1
Contactors - Electromechanical CONTACTOR RELAY 4NO+4NC 24V S00 SCREW 3RH22441BB40 Siemens 1: 187,70 € 3In Stock	Mfr. Part No. 3RH22441BB40 Mouser Part No 982-3RH22441BB40	Siemens	Contactors - Electromechanical CONTACTOR RELAY 4NO+4NC 24V S00 SCREW Learn More about Siemens 3rh2 contactor relays	Datasheet	3In Stock	187,70 € 167,71 € 159,56 € 154,05 €	Min.: 1 Mult.: 1
Contactors - Electromechanical CONTROL RELAY 4NO+4NC DC 125V RING LUG 3RH22444BG40 Siemens 1: 226,71 € 3In Stock	Mfr. Part No. 3RH22444BG40 Mouser Part No 982-3RH22444BG40	Siemens	Contactors - Electromechanical CONTROL RELAY 4NO+4NC DC 125V RING LUG Learn More about Siemens 3rh2 contactor relays	Datasheet	3In Stock	226,71 € 201,84 € 192,72 €	Min.: 1 Mult.: 1
Contactors - Electromechanical CONTROL RELAY 6NO+2NC AC 120V SCREW 3RH22621AK60 Siemens 1: 175,89 € 2In Stock	Mfr. Part No. 3RH22621AK60 Mouser Part No 982-3RH22621AK60	Siemens	Contactors - Electromechanical CONTROL RELAY 6NO+2NC AC 120V SCREW Learn More about Siemens 3rh2 contactor relays	Datasheet	2In Stock	175,89 € 156,61 € 149,51 € 144,37 €	Min.: 1 Mult.: 1
Contactors - Electromechanical CONTACTOR RELAY 6NO+2NC, 24VDC, SZ S00 3RH22621BB40 Siemens 1: 187,70 € 4In Stock	Mfr. Part No. 3RH22621BB40 Mouser Part No 982-3RH22621BB40	Siemens	Contactors - Electromechanical CONTACTOR RELAY 6NO+2NC, 24VDC, SZ S00 Learn More about Siemens 3rh2 contactor relays	Datasheet	4In Stock	187,70 € 167,71 € 159,56 € 154,10 € View Quote	Min.: 1 Mult.: 1
Auxiliary Contacts AUXILIARY SWITCH 1NC WIRE TOP SCREW 3RH29111AA01 Siemens 1: 27,69 € 3In Stock	Mfr. Part No. 3RH29111AA01 Mouser Part No 982-3RH29111AA01	Siemens	Auxiliary Contacts AUXILIARY SWITCH 1NC WIRE TOP SCREW Learn More about Siemens 3rh2 contactor relays	Datasheet	3In Stock	27,69 € 24,40 € 22,58 € 19,52 € View 18,30 € 17,08 €	Min.: 1 Mult.: 1
Auxiliary Contacts AUX. SWITCH 1NO WIRE TOP SCREW 3RH29111AA10 Siemens 1: 22,61 € 5In Stock	Mfr. Part No. 3RH29111AA10 Mouser Part No 982-3RH29111AA10	Siemens	Auxiliary Contacts AUX. SWITCH 1NO WIRE TOP SCREW Learn More about Siemens 3rh2 contactor relays	Datasheet	5In Stock	22,61 € 19,23 € 18,57 € 17,93 € View 17,11 € 16,53 €	Min.: 1 Mult.: 1
Auxiliary Contacts AUX. SWITCH LATERAL 1NO+1NC S00 SCREW 3RH29111DA11 Siemens 1: 50,57 € 5In Stock	Mfr. Part No. 3RH29111DA11 Mouser Part No 982-3RH29111DA11	Siemens	Auxiliary Contacts AUX. SWITCH LATERAL 1NO+1NC S00 SCREW Learn More about Siemens 3rh2 contactor relays	Datasheet	5In Stock	50,57 € 42,59 € 40,34 € 33,63 € View 31,38 € 29,14 €	Min.: 1 Mult.: 1
Auxiliary Contacts AUX. SWITCH 4NC FOR S00 & S0 SCREW 3RH29111FA04 Siemens 1: 56,33 € 11In Stock	Mfr. Part No. 3RH29111FA04 Mouser Part No 982-3RH29111FA04	Siemens	Auxiliary Contacts AUX. SWITCH 4NC FOR S00 & S0 SCREW Learn More about Siemens 3rh2 contactor relays	Datasheet	11In Stock	56,33 € 47,44 € 44,94 € 37,45 € View 34,95 € 32,46 €	Min.: 1 Mult.: 1
Auxiliary Contacts AUXILIARY SWITCH 4NO, S00 & S0 SCREW 3RH29111FA40 Siemens 1: 56,33 € 20In Stock	Mfr. Part No. 3RH29111FA40 Mouser Part No 982-3RH29111FA40	Siemens	Auxiliary Contacts AUXILIARY SWITCH 4NO, S00 & S0 SCREW Learn More about Siemens 3rh2 contactor relays	Datasheet	20In Stock	56,33 € 47,44 € 44,94 € 37,45 € View 34,95 € 32,46 €	Min.: 1 Mult.: 1
Auxiliary Contacts AUX. SWITCH 2NO+2NC S00 & S0 SCREW 3RH29111FC22 Siemens 1: 87,62 € 5In Stock	Mfr. Part No. 3RH29111FC22 Mouser Part No 982-3RH29111FC22	Siemens	Auxiliary Contacts AUX. SWITCH 2NO+2NC S00 & S0 SCREW Learn More about Siemens 3rh2 contactor relays	Datasheet	5In Stock	87,62 € 76,00 € 72,01 € 60,00 € 56,00 €	Min.: 1 Mult.: 1
Auxiliary Contacts AUX. SWITCH 4NC FOR S00 SCREW 3RH29111GA04 Siemens 1: 56,33 € 13In Stock	Mfr. Part No. 3RH29111GA04 Mouser Part No 982-3RH29111GA04	Siemens	Auxiliary Contacts AUX. SWITCH 4NC FOR S00 SCREW Learn More about Siemens 3rh2 contactor relays	Datasheet	13In Stock	56,33 € 47,44 € 44,94 € 37,45 € View 34,95 € 32,46 €	Min.: 1 Mult.: 1
Auxiliary Contacts AUX. SWITCH 1NO+3NC FOR S00 SCREW 3RH29111GA13 Siemens 1: 56,33 € 5In Stock	Mfr. Part No. 3RH29111GA13 Mouser Part No 982-3RH29111GA13	Siemens	Auxiliary Contacts AUX. SWITCH 1NO+3NC FOR S00 SCREW Learn More about Siemens 3rh2 contactor relays	Datasheet	5In Stock	56,33 € 47,44 € 44,94 € 37,45 € View 34,95 € 32,46 €	Min.: 1 Mult.: 1
Auxiliary Contacts AUX. SWITCH 2NO+2NC FOR S00 SCREW 3RH29111GA22 Siemens 1: 46,53 € 10In Stock	Mfr. Part No. 3RH29111GA22 Mouser Part No 982-3RH29111GA22	Siemens	Auxiliary Contacts AUX. SWITCH 2NO+2NC FOR S00 SCREW Learn More about Siemens 3rh2 contactor relays	Datasheet	10In Stock	46,53 € 45,68 € 42,65 € 38,20 € 36,89 €	Min.: 1 Mult.: 1
Auxiliary Contacts AUX. SWITCH 3NO+1NC FOR S00 SCREW 3RH29111GA31 Siemens 1: 56,33 € 5In Stock	Mfr. Part No. 3RH29111GA31 Mouser Part No 982-3RH29111GA31	Siemens	Auxiliary Contacts AUX. SWITCH 3NO+1NC FOR S00 SCREW Learn More about Siemens 3rh2 contactor relays	Datasheet	5In Stock	56,33 € 47,44 € 44,94 € 37,45 € View 34,95 € 32,46 €	Min.: 1 Mult.: 1

SIRIUS 3RH2 4- & 8-Pole Contactor Relays

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