SIEMENS 3RB1, 3RB20, 3RB21 SIRIUS electronic overload rel Items 97 - 139 of 139 ⍾ SIEMENS ⍾ Last modified
The SIEMENS 3RB1, 3RB20, 3RB21 SIRIUS electronic overload relays are designed for motor protection and are compatible with contactor mounting or stand-alone installation. They feature manual-automatic-reset functionality and are available with either screw or spring-loaded terminals for both the main and auxiliary circuits. Some models incorporate internal ground fault detection.
3RB1, 3RB20, 3RB21 SIRIUS electronic overload rel ⍾ Page 2
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3RB2066-2GF2
OVERLOAD RELAY 55...250 A FOR MOTOR PROTECTION SIZE S10/S12, CLASS 20 MOUNT. ONTO CONT./ STAND-ALONE MAIN CIRCUIT: BAR CONNECTION AUX. CIRCUIT: SPRINGLOAD. TERM. MANUAL-AUTOMATIC-R …
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3RB2066-2MC2
Overload relay 160...630 A for motor protection Size S10/S12, Class 20E Contactor mounting/stand-alone installation Main circuit: busbar connection Auxiliary circuit: Screw termina …
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3RB2066-2MF2
OVERLOAD RELAY 160...630 A FOR MOTOR PROTECTION SIZE S10/S12, CLASS 20 MOUNT. ONTO CONT./ STAND-ALONE MAIN CIRCUIT: BAR CONNECTION AUX. CIRCUIT: SPRINGLOAD. TERM. MANUAL-AUTOMATIC- …
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3RB2113-4NB0
OVERLOAD RELAY 0,32...1,25 A FOR MOTOR PROTECTION SIZE S00, CLASS 5...30 FOR MOUNTING ONTO CONT. MAIN CIRCUIT: SCREW CONNECTION AUX. CIRCUIT: SCREW CONNECTION MANUAL-AUTOMATIC-RESE …
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3RB2113-4ND0
OVERLOAD RELAY 0,32...1,25 A FOR MOTOR PROTECTION SIZE S00, CLASS 5...30 FOR MOUNTING ONTO CONT. MAIN CIRCUIT: SCREW CONNECTION AUX. CIRCUIT: SPRINGLOAD. TERM. MANUAL-AUTOMATIC-RES …
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3RB2113-4PB0
OVERLOAD RELAY 1...4 A FOR MOTOR PROTECTION SIZE S00, CLASS 5...30 FOR MOUNTING ONTO CONT. MAIN CIRCUIT: SCREW CONNECTION AUX. CIRCUIT: SCREW CONNECTION MANUAL-AUTOMATIC-RESET INT. …
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3RB2113-4PD0
OVERLOAD RELAY 1...4 A FOR MOTOR PROTECTION SIZE S00, CLASS 5...30 FOR MOUNTING ONTO CONT. MAIN CIRCUIT: SCREW CONNECTION AUX. CIRCUIT: SPRINGLOAD. TERM. MANUAL-AUTOMATIC-RESET INT …
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3RB2113-4RB0
OVERLOAD RELAY 0.1...0.4 A FOR MOTOR PROTECTION SIZE S00, CLASS 5...30 FOR MOUNTING ONTO CONT. MAIN CIRCUIT: SCREW CONNECTION AUX. CIRCUIT: SCREW CONNECTION MANUAL-AUTOMATIC-RESET …
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3RB2113-4RD0
OVERLOAD RELAY 0.1...0.4 A FOR MOTOR PROTECTION SIZE S00, CLASS 5...30 FOR MOUNTING ONTO CONT. MAIN CIRCUIT: SCREW CONNECTION AUX. CIRCUIT: SPRINGLOAD. TERM. MANUAL-AUTOMATIC-RESET …
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3RB2113-4SB0
OVERLOAD RELAY 3...12 A FOR MOTOR PROTECTION SIZE S00, CLASS 5...30 FOR MOUNTING ONTO CONT. MAIN CIRCUIT: SCREW CONNECTION AUX. CIRCUIT: SCREW CONNECTION MANUAL-AUTOMATIC-RESET INT …
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3RB2113-4SD0
OVERLOAD RELAY 3...12 A FOR MOTOR PROTECTION SIZE S00, CLASS 5...30 FOR MOUNTING ONTO CONT. MAIN CIRCUIT: SCREW CONNECTION AUX. CIRCUIT: SPRINGLOAD. TERM. MANUAL-AUTOMATIC-RESET IN …
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3RB2123-4NB0
OVERLOAD RELAY 0.32...1.25 A FOR MOTOR PROTECTION SZ S0, CLASS 5...30 F. MOUNTING ONTO CONTACTORS MAIN CIRCUIT: SCREW TERMINAL AUX. CIRCUIT: SCREW TERMINAL MANUAL-AUTOMATIC-RESET I …
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3RB2123-4ND0
OVERLOAD RELAY 0.32...1.25 A FOR MOTOR PROTECTION SZ S0, CLASS 5...30 F. MOUNTING ONTO CONTACTORS MAIN CIRCUIT: SCREW TERMINAL AUX. CIRCUIT: SPRING-LOADED TERM. MANUAL-AUTOMATIC-RE …
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3RB2123-4PB0
OVERLOAD RELAY 1...4A F. MOTOR PROTECTION SZ S0, CLASS 5...30 F. MOUNT. ONTO CONTACTORS MAIN CIRCUIT: SCREW CONN. AUX. CIRCUIT: SCREW CONN. MANUAL-AUTOMATIC-RESET INT. GROUND FAULT …
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3RB2123-4PD0
OVERLOAD RELAY 1...4A F. MOTOR PROTECTION SZ S0, CLASS 5...30 F. MOUNT. ONTO CONTACTORS MAIN CIRCUIT: SCREW CONN. AUX. CIRCUIT: SPRING-L. TERM. MANUAL-AUTOMATIC-RESET INT. GROUND F …
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3RB2123-4QB0
OVERLOAD RELAY 6...25 A FOR MOTOR PROTECTION SIZE S0, CLASS 5...30 FOR MOUNTING ONTO CONT. MAIN CIRCUIT: SCREW CONNECTION AUX. CIRCUIT: SCREW CONNECTION MANUAL-AUTOMATIC-RESET INT. …
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3RB2123-4QD0
OVERLOAD RELAY 6...25 A FOR MOTOR PROTECTION SIZE S0, CLASS 5...30 FOR MOUNTING ONTO CONT. MAIN CIRCUIT: SCREW CONNECTION AUX. CIRCUIT: SPRINGLOAD. TERM. MANUAL-AUTOMATIC-RESET INT …
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3RB2123-4RB0
OVERLOAD RELAY 0.1...0.4 A FOR MOTOR PROTECTION SZ S0, CLASS 5...30 F. MOUNTING ONTO CONTACTORS MAIN CIRCUIT: SCREW TERMINAL AUX. CIRCUIT: SCREW TERMINAL MANUAL-AUTOMATIC-RESET INT …
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3RB2123-4RD0
OVERLOAD RELAY 0.1...0.4 A FOR MOTOR PROTECTION SZ S0, CLASS 5...30 F. MOUNTING ONTO CONTACTORS MAIN CIRCUIT: SCREW TERMINAL AUX. CIRCUIT: SPRING-LOADED TERM. MANUAL-AUTOMATIC-RESE …
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3RB2123-4SB0
OVERLOAD RELAY 3...12 A FOR MOTOR PROTECTION SIZE S0, CLASS 5...30 FOR MOUNTING ONTO CONT. MAIN CIRCUIT: SCREW CONNECTION AUX. CIRCUIT: SCREW CONNECTION MANUAL-AUTOMATIC-RESET INT. …
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3RB2123-4SD0
OVERLOAD RELAY 3...12 A FOR MOTOR PROTECTION SIZE S0, CLASS 5...30 FOR MOUNTING ONTO CONT. MAIN CIRCUIT: SCREW CONNECTION AUX. CIRCUIT: SPRINGLOAD. TERM. MANUAL-AUTOMATIC-RESET INT …
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3RB2133-4QB0
OVERLOAD RELAY 6...25 A FOR MOTOR PROTECTION SIZE S2, CLASS 5...30 FOR MOUNTING ONTO CONT. MAIN CIRCUIT: SCREW CONNECTION AUX. CIRCUIT: SCREW CONNECTION MANUAL-AUTOMATIC-RESET INT. …
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3RB2133-4QD0
OVERLOAD RELAY 6...25 A FOR MOTOR PROTECTION SIZE S2, CLASS 5...30 FOR MOUNTING ONTO CONT. MAIN CIRCUIT: SCREW CONNECTION AUX. CIRCUIT: SPRINGLOAD. TERM. MANUAL-AUTOMATIC-RESET INT …
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3RB2133-4QW1
OVERLOAD RELAY 6...25 A FOR MOTOR PROTECTION SIZE S2, CLASS 5...30 STAND-ALONE INSTALLATION MAIN CIRCUIT: THROUGH TRANSF. AUX. CIRCUIT: SCREW CONNECTION MANUAL-AUTOMATIC-RESET INT. …
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3RB2133-4QX1
OVERLOAD RELAY 6...25 A FOR MOTOR PROTECTION SIZE S2, CLASS 5...30 STAND-ALONE INSTALLATION MAIN CIRCUIT: THROUGH TRANSF. AUX. CIRCUIT: SPRINGLOAD. TERM. MANUAL-AUTOMATIC-RESET INT …
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3RB2133-4UB0
OVERLOAD RELAY 12.5...50 A FOR MOTOR PROTECTION SIZE S2, CLASS 5...30 FOR MOUNTING ONTO CONT. MAIN CIRCUIT: SCREW CONNECTION AUX. CIRCUIT: SCREW CONNECTION MANUAL-AUTOMATIC-RESET I …
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3RB2133-4UD0
OVERLOAD RELAY 12.5...50 A FOR MOTOR PROTECTION SIZE S2, CLASS 5...30 FOR MOUNTING ONTO CONT. MAIN CIRCUIT: SCREW CONNECTION AUX. CIRCUIT: SPRINGLOAD. TERM. MANUAL-AUTOMATIC-RESET …
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3RB2133-4UW1
OVERLOAD RELAY 12.5...50 A FOR MOTOR PROTECTION SIZE S2, CLASS 5...30 STAND-ALONE INSTALLATION MAIN CIRCUIT: THROUGH TRANSF. AUX. CIRCUIT: SCREW CONNECTION MANUAL-AUTOMATIC-RESET I …
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3RB2133-4UX1
OVERLOAD RELAY 12.5...50 A FOR MOTOR PROTECTION SIZE S2, CLASS 5...30 STAND-ALONE INSTALLATION MAIN CIRCUIT: THROUGH TRANSF. AUX. CIRCUIT: SPRINGLOAD. TERM. MANUAL-AUTOMATIC-RESET …
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3RB2143-4EB0
OVERLOAD RELAY 25...100 A FOR MOTOR PROTECTION SIZE S3, CLASS 5...30 FOR MOUNTING ONTO CONT. MAIN CIRCUIT: SCREW CONNECTION AUX. CIRCUIT: SCREW CONNECTION MANUAL-AUTOMATIC-RESET IN …
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3RB2143-4ED0
OVERLOAD RELAY 25...100 A FOR MOTOR PROTECTION SIZE S3, CLASS 5...30 FOR MOUNTING ONTO CONT. MAIN CIRCUIT: SCREW CONNECTION AUX. CIRCUIT: SPRINGLOAD. TERM. MANUAL-AUTOMATIC-RESET I …
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3RB2143-4EW1
OVERLOAD RELAY 25...100 A FOR MOTOR PROTECTION SIZE S3, CLASS 5...30 STAND-ALONE INSTALLATION MAIN CIRCUIT: THROUGH TRANSF. AUX. CIRCUIT: SCREW CONNECTION MANUAL-AUTOMATIC-RESET IN …
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3RB2143-4EX1
OVERLOAD RELAY 25...100 A FOR MOTOR PROTECTION SIZE S3, CLASS 5...30 STAND-ALONE INSTALLATION MAIN CIRCUIT: THROUGH TRANSF. AUX. CIRCUIT: SPRINGLOAD. TERM. MANUAL-AUTOMATIC-RESET I …
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3RB2143-4UB0
OVERLOAD RELAY 12.5...50 A FOR MOTOR PROTECTION SIZE S3, CLASS 5...30 FOR MOUNTING ONTO CONT. MAIN CIRCUIT: SCREW CONNECTION AUX. CIRCUIT: SCREW CONNECTION MANUAL-AUTOMATIC-RESET I …
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3RB2143-4UD0
OVERLOAD RELAY 12.5...50 A FOR MOTOR PROTECTION SIZE S3, CLASS 5...30 FOR MOUNTING ONTO CONT. MAIN CIRCUIT: SCREW CONNECTION AUX. CIRCUIT: SPRINGLOAD. TERM. MANUAL-AUTOMATIC-RESET …
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3RB2153-4FC2
Overload relay 50...200 A for motor protection Size S6, CLASS 5...30E Contactor mounting/stand-alone installation Main circuit: busbar connection Auxiliary circuit: Screw terminal …
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3RB2153-4FF2
Overload relay 50...200 A for motor protection Size S6, CLASS 5...30E Contactor mounting/stand-alone installation Main circuit: busbar connection Auxiliary circuit: Spring-type ter …
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3RB2153-4FW2
Overload relay 50...200 A for motor protection Size S6, CLASS 5...30E Contactor mounting/stand-alone installation Main circuit: straight-through transformer Auxiliary circuit: Scre …
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3RB2153-4FX2
Overload relay 50...200 A for motor protection Size S6, CLASS 5...30E Contactor mounting/stand-alone installation Main circuit: straight-through transformer Auxiliary circuit: Spri …
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3RB2163-4GC2
Overload relay 55...250 A for motor protection Size S10/S12, CLASS 5...30E Contactor mounting/stand-alone installation Main circuit: busbar connection Auxiliary circuit: Screw term …
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3RB2163-4GF2
OVERLOAD RELAY 55...250 A FOR MOTOR PROTECTION SIZE S10/S12, CLASS 5...30 MOUNT. ONTO CONT./ STAND-ALONE MAIN CIRCUIT: BAR CONNECTION AUX. CIRCUIT: SPRINGLOAD. TERM. MANUAL-AUTOMAT …
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3RB2163-4MC2
Overload relay 160...630 A for motor protection Size S10/S12, CLASS 5...30E Contactor mounting/stand-alone installation Main circuit: busbar connection Auxiliary circuit: Screw ter …
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3RB2163-4MF2
Overload relay 160...630 A for motor protection Size S10/S12, CLASS 5...30E Contactor mounting/stand-alone installation Main circuit: busbar connection Auxiliary circuit: Spring-ty …
