Product Search

    SEARCH NOW FOR ALL YOUR SIEMENS SOLUTIONS

    Find PLC's, Replays, Contact Blocks, Input/Output Modules and More.

    Safety Systems / Safety Relay
    Radwell is here to supply you with all your plant floor needs.

    Radwell is not an authorized distributor, reseller or representative of the products featured on this website. All product names, trademarks, brands and logos used on this site are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorization by any rights holder.

    Filter Results
    Results 201-250 of 314.
    SIEMENS 3TK2857-1BB41

    SIEMENS

    3TK2857-1BB41

    SIRIUS SAFETY RELAY, WITH CONTACTOR RELAY ENABLING CIRCUITS (EC), 24 V DC, 90 MM SCREW TERMINAL, EC INSTANTANEOUS: 0, EC DELAYED: 3NO, 0.05...3 S, MK: 0
    $503.00 Buy Surplus As Low As $302.00
    $302.00
    Repair Yours $300.00
    SIEMENS 3TK2851-2BB40

    SIEMENS

    3TK2851-2BB40

    DISCONTINUED BY MANUFACTURER 03/16/2023, SIRIUS SAFETY RELAY, WITH CONTACTOR RELAY ENABLING CIRCUITS (EC), 24 V DC, 90 MM SPRING-TYPE TERMINAL, EC INSTANTANEOUS: 2 NO, EC DELAYED: 0, SC: 1NC
    $384.00 Buy Surplus As Low As $231.00
    $231.00
    Repair Yours $300.00
    SIEMENS 3TK2825-PROMO2

    SIEMENS

    3TK2825-PROMO2

    SAFETY LUNCH AND LEARN DC RELAY KIT
    $149.00 Buy Surplus As Low As $90.00
    $90.00
    SIEMENS 3RG78483NK

    SIEMENS

    3RG78483NK

    DISCONTINUED BY MANUFACTURER, IP68 KIT, FOR 1200MM 3RG7842 LIGHT CURTAIN
    Buy Surplus As Low As $655.00
    $655.00
    SIEMENS 3TK2827-2AB20

    SIEMENS

    3TK2827-2AB20

    DISCONTINUED BY MANUFACTURER, SIRIUS SAFETY RELAY, WITH RELAY ENABLING CIRCUITS (EC), 24 VAC, 45 MM OVERALL WIDTH SPRING-TYPE TERMINAL, EC INSTANTANEOUS: 2 NO, EC DELAYED: 2NO, 0.5...30 S, S ...
    $1,022.00 Buy Surplus As Low As $614.00
    $614.00
    Repair Yours $510.00
    SIEMENS 3TK2828-2AJ21

    SIEMENS

    3TK2828-2AJ21

    SIRIUS SAFETY RELAY, WITH RELAY ENABLING CIRCUITS (EC), 115 VAC, 45 MM OVERALL WIDTH SPRING-TYPE TERMINAL, EC INSTANTANEOUS: 2 NO, EC DELAYED: 2NO, 0.05...3 S, SC: 1NC
    $1,065.00 Buy Surplus As Low As $639.00
    $639.00
    Repair Yours $531.00
    SIEMENS 3TK2828-2AJ20

    SIEMENS

    3TK2828-2AJ20

    SIRIUS SAFETY RELAY, WITH RELAY ENABLING CIRCUITS (EC), 115 VAC, 45 MM OVERALL WIDTH SPRING-TYPE TERMINAL, EC INSTANTANEOUS: 2 NO, EC DELAYED: 2NO, 0.5...30 S, SC: 1NC
    $1,065.00 Buy Surplus As Low As $639.00
    $639.00
    Repair Yours $531.00
    SIEMENS 3TK2828-2AB21

    SIEMENS

    3TK2828-2AB21

    SIRIUS SAFETY RELAY, WITH RELAY ENABLING CIRCUITS (EC), 24 VAC, 45 MM OVERALL WIDTH SPRING-TYPE TERMINAL, EC INSTANTANEOUS: 2 NO, EC DELAYED: 2NO, 0.05...3 S, SC: 1NC
    $1,017.00 Buy Surplus As Low As $611.00
    $611.00
    Repair Yours $508.00
    SIEMENS 3TK2825-2AB20

    SIEMENS

    3TK2825-2AB20

    SIRIUS SAFETY RELAY, WITH RELAY ENABLING CIRCUITS (EC), 24 VAC, 45 MM OVERALL WIDTH SPRING-TYPE TERMINAL, EC INSTANTANEOUS: 3 NO, EC DELAYED: 0 NO, SC: 2 NC
    $726.00 Buy Surplus As Low As $436.00
    $436.00
    Repair Yours $362.00
    SIEMENS 3TK2824-2AL20

    SIEMENS

    3TK2824-2AL20

    SIRIUS SAFETY RELAY, WITH RELAY ENABLING CIRCUITS (EC), 230 VAC, 22.5 MM SPRING-TYPE TERMINAL, EC INSTANTANEOUS: 2 NO, EC DELAYED: 0 NO, SC: 0 NC
    $462.00 Buy Surplus As Low As $245.00
    $245.00
    Repair Yours $300.00
    SIEMENS 3RG78483NM

    SIEMENS

    3RG78483NM

    DISCONTINUED BY MANUFACTURER, IP68 KIT, FOR 1500MM 3RG7842 LIGHT CURTAIN
    Buy Surplus As Low As $695.00
    $695.00
    SIEMENS 3TK2834-2BB40

    SIEMENS

    3TK2834-2BB40

    DISCONTINUED BY MANUFACTURER: 10/01/2020, SAFETY RELAY, SIRIUS, 5-6 AMP, 24 VDC, WITH RELAY ENABLING CIRCUITS, 4 N/O CONTACTS, 2 NO + 2 NC, -25 TO 60 DEGREE C, IP20
    $763.00 Buy Surplus As Low As $458.00
    $458.00
    Repair Yours $381.00
    SIEMENS 3TK2810-1KA41-0AA0

    SIEMENS

    3TK2810-1KA41-0AA0

    SIRIUS SAFETY RELAY, SAFETY-ORIENTED SPEED MONITORING, 110-240 V AC/DC, 45 MM OVERALL WIDTH SCREW TERMINAL, EC INSTANTANEOUS: 2 NO, EC DELAYED: 0, SC: 2
    $3,608.00 Buy Surplus As Low As $2,165.00
    $2,165.00
    Repair Yours $1,797.00
    SIEMENS 3TK2810-1KA42-0AA0

    SIEMENS

    3TK2810-1KA42-0AA0

    SIRIUS SAFETY RELAY, SAFETY-ORIENTED SPEED MONITORING, 110-240 V AC/DC, 45 MM OVERALL WIDTH SPRING-TYPE TERMINAL, EC INSTANTANEOUS: 2 NO, EC DELAYED: 0, SC: 2
    $3,608.00 Buy Surplus As Low As $2,165.00
    $2,165.00
    Repair Yours $1,797.00
    SIEMENS 3TK2820-2CB30

    SIEMENS

    3TK2820-2CB30

    DISCONTINUED BY MANUFACTURER, SIRIUS SAFETY RELAY, WITH RELAY ENABLING CIRCUITS (EC), 24 V AC/DC, 22.5 MM, SPRING-TYPE TERMINALS BASIC UNIT, AUTO START, MONITORED START, EC INSTANTANEOUS: 3 ...
    Buy Surplus As Low As $276.00
    $276.00
    Repair Yours $300.00
    SIEMENS 3TK2835-1AJ20

    SIEMENS

    3TK2835-1AJ20

    SAFETY COMBINATION, SIGUARD PRESS CONTROL UNIT, FOR USE IN PRESSES AND STAMPING MACHINES, TWO-HAND CONTROL UNIT, 3NO ENABLING CONTACTS, 1NC SIGNALING CONTACT, 115 V AC
    $582.00 Buy Surplus As Low As $349.00
    $349.00
    Repair Yours $300.00
    SIEMENS 3TK2840-2BB40

    SIEMENS

    3TK2840-2BB40

    DISCONTINUED BY MANUFACTURER, SIRIUS SAFETY RELAY, WITH ELECTRONIC ENABLING CIRCUITS (EC), 24VDC, 22.5MM SPRING-TYPE TERMINAL, EC INSTANTANEOUS: 2 HL, EC DELAYED: 0, SC: 0, REPLACED BY 3SK11 ...
    $320.00 Buy Surplus As Low As $170.00
    $170.00
    Repair Yours $300.00
    SIEMENS 3TK2835-2AL20

    SIEMENS

    3TK2835-2AL20

    SAFETY COMBINATION, SIGUARD PRESS CONTROL UNIT, FOR USE IN PRESSES AND STAMP MACHINES, TWO-HAND CONTROL UNIT, 3NO ENABL., 1NC SIGN. CONTACTS, 230 VAC, CAGE CLAMP
    Buy Surplus As Low As $362.00
    $362.00
    Repair Yours $300.00
    SIEMENS 3TK2857-2BB41

    SIEMENS

    3TK2857-2BB41

    DISCONTINUED BY MANUFACTURER, SIRIUS SAFETY RELAY, WITH CONTACTOR RELAY ENABLING CIRCUITS (EC), 24 V DC, 90 MM SPRING-TYPE TERMINAL, EC INSTANTANEOUS: 0, EC DELAYED: 3NO, 0.05...3 S, MK: 0, ...
    $527.00 Buy Surplus As Low As $317.00
    $317.00
    Repair Yours $300.00
    SIEMENS 3TK2857-1BB44

    SIEMENS

    3TK2857-1BB44

    SIRIUS SAFETY RELAY, WITH CONTACTOR RELAY ENABLING CIRCUITS (EC), 24 V DC, 90 MM SCREW TERMINAL, EC INSTANTANEOUS: 0, EC DELAYED: 3NO, 5...300 S, SC: 0
    $503.00 Buy Surplus As Low As $302.00
    $302.00
    Repair Yours $300.00
    SIEMENS 3TK2852-2BB40

    SIEMENS

    3TK2852-2BB40

    DISCONTINUED BY MANUFACTURER, SIRIUS SAFETY RELAY, WITH CONTACTOR RELAY ENABLING CIRCUITS (EC), 24 V DC, 90 MM SPRING-TYPE TERMINAL, EC INSTANTANEOUS: 6NO, EC DELAYED: 0, SC: 1NC
    $455.00 Buy Surplus As Low As $273.00
    $273.00
    SIEMENS 3TK2852-2AL20

    SIEMENS

    3TK2852-2AL20

    SIRIUS SAFETY RELAY, WITH CONTACTOR RELAY ENABLING CIRCUITS (EC), 230 V DC, 90 MM SPRING-TYPE TERMINAL, EC INSTANTANEOUS: 6NO, EC DELAYED: 0, SC: 1NC
    $487.00 Buy Surplus As Low As $293.00
    $293.00
    Repair Yours $300.00
    SIEMENS 3TK2852-1AL20

    SIEMENS

    3TK2852-1AL20

    DISCONTINUED BY MANUFACTURER, SIRIUS SAFETY RELAY, WITH CONTACTOR RELAY ENABLING CIRCUITS (EC), 230 V DC, 90 MM SCREW TERMINAL, EC INSTANTANEOUS: 6NO, EC DELAYED: 0, SC: 1NC
    $467.00 Buy Surplus As Low As $281.00
    $281.00
    Repair Yours $300.00
    SIEMENS 3TK2851-1AJ20

    SIEMENS

    3TK2851-1AJ20

    SIRIUS SAFETY RELAY, WITH CONTACTOR RELAY ENABLING CIRCUITS (EC), 115 V DC, 90 MM SCREW TERMINAL, EC INSTANTANEOUS: 2 NO, EC DELAYED: 0, SC: 1NC
    $399.00 Buy Surplus As Low As $240.00
    $240.00
    Repair Yours $300.00
    SIEMENS 3TK2850-2BB40

    SIEMENS

    3TK2850-2BB40

    DISCONTINUED BY MANUFACTURER, SIRIUS SAFETY RELAY, WITH CONTACTOR RELAY ENABLING CIRCUITS (EC), 24 V DC, 90 MM SPRING-TYPE TERMINAL, EC INSTANTANEOUS: 3 NO, EC DELAYED: 0, SC: 0
    $384.00 Buy Surplus As Low As $231.00
    $231.00
    SIEMENS 3TK2850-2AL20

    SIEMENS

    3TK2850-2AL20

    SIRIUS SAFETY RELAY, WITH CONTACTOR RELAY ENABLING CIRCUITS (EC), 230 V DC, 90 MM SPRING-TYPE TERMINAL, EC INSTANTANEOUS: 3 NO, EC DELAYED: 0, SC: 0
    $420.00 Buy Surplus As Low As $252.00
    $252.00
    Repair Yours $300.00
    SIEMENS 3TK2827-2AJ20

    SIEMENS

    3TK2827-2AJ20

    SIRIUS SAFETY RELAY, WITH RELAY ENABLING CIRCUITS (EC), 115 VAC, 45 MM OVERALL WIDTH SPRING-TYPE TERMINAL, EC INSTANTANEOUS: 2 NO, EC DELAYED: 2NO, 0.5...30 S, SC: 1NC
    $1,070.00 Buy Surplus As Low As $642.00
    $642.00
    Repair Yours $533.00
    SIEMENS 3TK2827-2AL21

    SIEMENS

    3TK2827-2AL21

    DISCONTINUED BY MANUFACTURER 01.10.2020, SIRIUS SAFETY RELAY, WITH RELAY ENABLING CIRCUITS (EC), 230 VAC, 45 MM OVERALL WIDTH SPRING-TYPE TERMINAL, EC INSTANTANEOUS: 2 NO, EC DELAYED: 2NO, 0 ...
    $1,070.00 Buy Surplus As Low As $642.00
    $642.00
    Repair Yours $430.00
    SIEMENS 3TK2828-2AL21

    SIEMENS

    3TK2828-2AL21

    DISCONTINUED BY MANUFACTURER, SIRIUS SAFETY RELAY, WITH RELAY ENABLING CIRCUITS (EC), 230 VAC, 45 MM OVERALL WIDTH SPRING-TYPE TERMINAL, EC INSTANTANEOUS: 2 NO, EC DELAYED: 2NO, 0.05...3 S, ...
    $1,065.00 Buy Surplus As Low As $639.00
    $639.00
    Repair Yours $531.00
    SIEMENS 3TK2827-1AJ21

    SIEMENS

    3TK2827-1AJ21

    DISCONTINUED BY MANUFACTURER 10.01.2020, SIRIUS SAFETY RELAY, WITH ENABLING CIRCUITS (EC), 115 VAC, 45 MM OVERALL WIDTH SCREW TERMINAL, EC INSTANTANEOUS: 2 NO, EC DELAYED: 2NO, 0.05...3 S, S ...
    $678.00 Buy Surplus As Low As $407.00
    $407.00
    Repair Yours $750.00
    SIEMENS 3TK2827-1AB21

    SIEMENS

    3TK2827-1AB21

    SIRIUS SAFETY RELAY, WITH RELAY ENABLING CIRCUITS (EC), 24 VAC, 45 MM OVERALL WIDTH SCREW TERMINAL, EC INSTANTANEOUS: 2 NO, EC DELAYED: 2NO, 0.05...3 S, SC: 1NC
    $659.00 Buy Surplus As Low As $396.00
    $396.00
    Repair Yours $329.00
    SIEMENS 3TK2828-1AB21

    SIEMENS

    3TK2828-1AB21

    SIRIUS SAFETY RELAY, WITH RELAY ENABLING CIRCUITS (EC), 24 VAC, 45 MM OVERALL WIDTH SCREW TERMINAL, EC INSTANTANEOUS: 2 NO, EC DELAYED: 2NO, 0.05...3 S, SC: 1NC
    $659.00 Buy Surplus As Low As $396.00
    $396.00
    Repair Yours $329.00
    SIEMENS 3TK2845-1FB41

    SIEMENS

    3TK2845-1FB41

    SIRIUS SAFETY RELAY, WITH RELAY AND ELECTRONIC, 24 V DC, 45 MM SCREW TERMINAL, EC INSTANTANEOUS: 2 NO, EC DELAYED: 1, SC: 1, SPRING-LOCKED TUMBLER
    $900.00 Buy Surplus As Low As $540.00
    $540.00
    Repair Yours $449.00
    SIEMENS 3TK2826-2CW34

    SIEMENS

    3TK2826-2CW34

    SIRIUS SAFETY RELAY, WITH RELAY ENABLING CIRCUITS (EC), 24...240 V UC, 45 MM OVERALL WIDTH SPRING-TYPE TERMINAL, EC INSTANTANEOUS: 2 NO, EC DELAYED: 2, SC: 3, SWITCH WITH 8 FUNCTIONS
    $932.00 Buy Surplus As Low As $560.00
    $560.00
    Repair Yours $465.00
    SIEMENS 3TK2810-1BA41-0AA0

    SIEMENS

    3TK2810-1BA41-0AA0

    SIRIUS SAFETY RELAY, SAFETY-ORIENTED SPEED MONITORING, 24 V DC, 45 MM OVERALL WIDTH SCREW TERMINAL, EC INSTANTANEOUS: 2 NO, EC DELAYED: 0, SC: 2
    $3,526.00 Buy Surplus As Low As $2,116.00
    $2,116.00
    Repair Yours $1,757.00
    SIEMENS 3RG78482AD

    SIEMENS

    3RG78482AD

    DISCONTINUED BY MANUFACTURER, MOUNTING SET CONSISTING OF 2 MOUNTING S
    Buy Surplus As Low As $25.00
    $25.00
    SIEMENS 3TK2826-2CW31

    SIEMENS

    3TK2826-2CW31

    DISCONTINUED BY MANUFACTURER, SIRIUS SAFETY RELAY, WITH RELAY ENABLING CIRCUITS (EC), 24...240 V UC, 45 MM OVERALL WIDTH SPRING-TYPE TERMINAL, EC INSTANTANEOUS: 2 NO, EC DELAYED: 2, SC: 3, S ...
    $932.00 Buy Surplus As Low As $560.00
    $560.00
    Repair Yours $465.00
    SIEMENS 3TK2826-1CW34

    SIEMENS

    3TK2826-1CW34

    DISCONTINUED BY MANUFACTURER, SAFETY RELAY, ENABLING CIRCUITS (EC), 24-40 VUC, 45 MM OVERALL WIDTH, SCREW TERMINAL, 8 FUNCTIONS
    $900.00 Buy Surplus As Low As $540.00
    $540.00
    Repair Yours $449.00
    SIEMENS 3TK2826-1CW31

    SIEMENS

    3TK2826-1CW31

    DISCONTINUED BY MANUFACTURER, SIRIUS SAFETY RELAY, WITH RELAY ENABLING CIRCUITS (EC), 24...240 V UC, 45 MM OVERALL WIDTH SCREW TERMINAL, EC INSTANTANEOUS: 2 NO, EC DELAYED: 2, SC: 3, SWITCH ...
    $900.00 Buy Surplus As Low As $540.00
    $540.00
    Repair Yours $449.00
    SIEMENS 3TK2810-0JA02

    SIEMENS

    3TK2810-0JA02

    SIRIUS SAFETY RELAY, SAFETY-ORIENTED STANDSTILL MONITORING, 400 VAC, 45 MM SPRING-TYPE TERMINAL, EC INSTANTANEOUS: 3 NO + 1 NC, EC DELAYED: 0, SC: 3 , 3TK2810-0JA02
    $1,849.00 Buy Surplus As Low As $1,110.00
    $1,110.00
    Repair Yours $922.00
    SIEMENS 3TK2810-0JA01

    SIEMENS

    3TK2810-0JA01

    SIRIUS SAFETY RELAY, SAFETY-ORIENTED STANDSTILL MONITORING, 400 VAC, 45 MM SCREW TERMINAL, EC INSTANTANEOUS: 3 NO + 1 NC, EC DELAYED: 0, SC: 3 , 3TK2810-0JA01
    $1,849.00 Buy Surplus As Low As $1,110.00
    $1,110.00
    Repair Yours $922.00
    SIEMENS 3TK2810-0GA01

    SIEMENS

    3TK2810-0GA01

    SIRIUS SAFETY RELAY, SAFETY-ORIENTED STANDSTILL MONITORING, 230 VAC, 45 MM SCREW TERMINAL, EC INSTANTANEOUS: 3 NO + 1 NC, EC DELAYED: 0, SC: 3 , 3TK2810-0GA01
    $1,849.00 Buy Surplus As Low As $1,110.00
    $1,110.00
    Repair Yours $922.00
    SIEMENS 3RG78483RH

    SIEMENS

    3RG78483RH

    DISCONTINUED BY MANUFACTURER, LEXAN TUBE, 1050MM, 3RG7842 LIGHT CURTAINS
    Buy Surplus As Low As $75.00
    $75.00
    SIEMENS 3TK2830-2AJ20

    SIEMENS

    3TK2830-2AJ20

    SIRIUS SAFETY RELAY, WITH RELAY ENABLING CIRCUITS (EC), 115 V AC, 22.5 MM SPRING-TYPE TERMINAL, EC INSTANTANEOUS: 4 NO, EC DELAYED: 0 MK, FOR RETRACTION: 1
    $554.00 Buy Surplus As Low As $293.00
    $293.00
    Repair Yours $300.00
    SIEMENS 3TK2842-2BB44

    SIEMENS

    3TK2842-2BB44

    SIRIUS SAFETY RELAY, WITH ELECTRONIC ENABLING CIRCUITS (EC), 24 V DC, 22.5 MM SPRING-TYPE TERMINAL, EC INSTANTANEOUS: 1 HL EC DELAYED: 1 HL, 5...300 S, SC: 0
    $365.00 Buy Surplus As Low As $219.00
    $219.00
    Repair Yours $300.00
    SIEMENS 3TK2835-1AL20

    SIEMENS

    3TK2835-1AL20

    SAFETY COMBINATION, SIGUARD PRESS CONTROL UNIT, FOR USE IN PRESSES AND STAMPING MACHINES, TWO-HAND CONTROL UNIT, 3NO ENABLING CONTACTS, 1NC SIGNALING CONTACT, 230 VAC
    $582.00 Buy Surplus As Low As $349.00
    $349.00
    Repair Yours $300.00
    SIEMENS 3TK2857-2BB42

    SIEMENS

    3TK2857-2BB42

    SIRIUS SAFETY RELAY, WITH CONTACTOR RELAY ENABLING CIRCUITS (EC), 24 V DC, 90 MM SPRING-TYPE TERMINAL, EC INSTANTANEOUS: 0, EC DELAYED: 3NO, 0.5...30 S, SC: 0
    $527.00 Buy Surplus As Low As $317.00
    $317.00
    Repair Yours $300.00
    SIEMENS 3TK2850-1AJ20

    SIEMENS

    FURNAS ELECTRIC CO

    3TK2850-1AJ20

    SIRIUS SAFETY RELAY, WITH CONTACTOR RELAY ENABLING CIRCUITS (EC), 115 VDC, 90 MM SCREW TERMINAL, EC INSTANTANEOUS: 3 NO, EC DELAYED: 0, SC: 0
    $397.00 Buy Surplus As Low As $239.00
    $239.00
    Repair Yours $300.00
    SIEMENS 3TK2825-PROMO1

    SIEMENS

    3TK2825-PROMO1

    SAFETY LUNCH AND LEARN AC RELAY KIT
    $149.00 Buy Surplus As Low As $90.00
    $90.00
    SIEMENS 3RG78483NH

    SIEMENS

    3RG78483NH

    DISCONTINUED BY MANUFACTURER, IP68 KIT, FOR 1050MM 3RG7842 LIGHT CURTAIN
    Buy Surplus As Low As $640.00
    $640.00
    Previous Next
    1 2 3 4 5 6 7