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    Rockwell Disclaimer: The product is used surplus. Radwell is not an authorised surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorised dealers. Because Radwell is not an authorised distributor of this product, the Original Manufacturer’s warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, Radwell makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Radwell also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. Radwell also makes no representations as to your right to install any such firmware on the product. Radwell will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

    Filter Results
    Results 51-100 of 472.
    SIEMENS 535-492

    SIEMENS

    LANDIS & GYR

    535-492

    DISCONTINUED BY MANUFACTURER, DUCT AVERAGING SENSOR, 24INCH, REPLACED BY 535-490-24
    Buy Surplus As Low As £111.24 Price with VAT: £133.49
    £111.24 Price with VAT: £133.49
    SIEMENS 535-741

    SIEMENS

    LANDIS & GYR

    535-741

    DISCONTINUED BY MANUFACTURER, DUCT POINT TEMPERATURE SENSOR, THERMISITOR 40-150 DEG F, 4" PROBE
    ✓ IN STOCK!
    Buy Surplus As Low As £66.91 Price with VAT: £80.29
    £66.91 Price with VAT: £80.29
    SIEMENS 536-195

    SIEMENS

    LANDIS & GYR

    536-195

    DISCONTINUED BY MANUFACTURER, ROOM TEMPERATURE SENSOR, 20/120F
    ✓ IN STOCK!
    Buy Surplus As Low As £104.39 Price with VAT: £125.27
    £104.39 Price with VAT: £125.27
    Repair Yours Contact Us
    SIEMENS 537-180

    SIEMENS

    LANDIS & GYR

    537-180

    AOI BOARD
    Buy Surplus As Low As £711.92 Price with VAT: £854.30
    £711.92 Price with VAT: £854.30
    Repair Yours £593.27 Price with VAT: £711.92
    SIEMENS 537-185

    SIEMENS

    LANDIS & GYR

    537-185

    DISCONTINUED BY MANUFACTURER, PC BOARD, AOV BOARD
    ✓ IN STOCK!
    Buy Surplus As Low As £410.71 Price with VAT: £492.85
    £410.71 Price with VAT: £492.85
    Repair Yours £357.92 Price with VAT: £429.50
    SIEMENS 537-559P

    SIEMENS

    LANDIS & GYR

    537-559P

    CONTROL BOARD SUPERVISORY DPUI-ED
    ✓ IN STOCK!
    £665.42 Price with VAT: £798.51 Buy Surplus As Low As £291.06 Price with VAT: £349.27
    £291.06 Price with VAT: £349.27
    Repair Yours £241.58 Price with VAT: £289.89
    SIEMENS 538-665

    SIEMENS

    LANDIS & GYR

    538-665

    DISCONTINUED BY MANUFACTURER, TRUNK INTERFACE, SMOKE CONTROL, ENERGY MANAGEMENT, PROCESS CONTROL, 6 VDC, 165 MA
    ✓ IN STOCK!
    Buy Surplus As Low As £703.86 Price with VAT: £844.63
    £703.86 Price with VAT: £844.63
    Repair Yours £423.64 Price with VAT: £508.37
    SIEMENS 538-670

    SIEMENS

    SIEMENS INDUSTRY

    538-670

    TRUNK INTERFACE II, SMOKE CONTROL SYSTEM EQUIPMENT, 115 VAC, 60 HZ, 6W POWER SUPPLY
    ✓ IN STOCK!
    £987.63 Price with VAT: £1,185.16 Buy Surplus As Low As £489.00 Price with VAT: £586.80
    £489.00 Price with VAT: £586.80
    Repair Yours £371.20 Price with VAT: £445.44
    SIEMENS 538-735

    SIEMENS

    LANDIS & GYR

    538-735

    DISCONTINUED BY MANUFACTURER, FIBER OPTIC TRUNK INTERFACE, SUPPLY VOLTAGE 5-12 VDC, TX1 AND RX1 CONNECTORS, LED NOTIFICATION POWER/TX1/RX1 OPERATION
    ✓ IN STOCK!
    Buy Surplus As Low As £489.00 Price with VAT: £586.80
    £489.00 Price with VAT: £586.80
    Repair Yours £346.62 Price with VAT: £415.94
    SIEMENS 538-894

    SIEMENS

    LANDIS & GYR

    538-894

    HUMIDITY/TEMPERATURE DUCT SENSOR
    Buy Surplus As Low As £382.66 Price with VAT: £459.19
    £382.66 Price with VAT: £459.19
    Repair Yours £318.88 Price with VAT: £382.66
    SIEMENS 538-920

    SIEMENS

    LANDIS & GYR

    538-920

    ETHERNET MICROSERVER 120VAC AEM 200
    Buy Surplus As Low As £311.46 Price with VAT: £373.76
    £311.46 Price with VAT: £373.76
    Repair Yours £259.55 Price with VAT: £311.46
    SIEMENS 538-922

    SIEMENS

    LANDIS & GYR

    538-922

    ETHERNET MICROSERVER MODULE
    ✓ IN STOCK!
    Buy Surplus As Low As £194.15 Price with VAT: £232.98
    £194.15 Price with VAT: £232.98
    Repair Yours £200.00 Price with VAT: £240.00
    SIEMENS 538-925

    SIEMENS

    LANDIS & GYR

    538-925

    MODULE HSTIE
    Buy Surplus As Low As £382.66 Price with VAT: £459.19
    £382.66 Price with VAT: £459.19
    Repair Yours £318.88 Price with VAT: £382.66
    SIEMENS 538-955

    SIEMENS

    LANDIS & GYR

    538-955

    TRUNK ISOLATOR/EXTENDER HIGH SPEED 115VAC
    ✓ IN STOCK!
    £423.01 Price with VAT: £507.61 Buy Surplus As Low As £260.40 Price with VAT: £312.48
    £260.40 Price with VAT: £312.48
    Repair Yours £177.38 Price with VAT: £212.86
    SIEMENS 540-012

    SIEMENS

    LANDIS & GYR

    540-012

    MPU ENCLOSURE METAL W/BACKPLANE
    Buy Surplus As Low As £450.88 Price with VAT: £541.06
    £450.88 Price with VAT: £541.06
    Repair Yours £375.24 Price with VAT: £450.29
    SIEMENS 540-100

    SIEMENS

    LANDIS & GYR

    540-100

    DISCONTINUED BY MANUFACTURER, TERMINAL BOX CONTROLLER, ELECTRONIC OUTPUT, APOGEE AUTOMATION, CLASS 2, OUTPUT: 12 VA MAX EACH OUTPUT, INPUT: 24 VAC 50/60 HZ, 24 V COMMON, 24 V HOT
    ✓ IN STOCK!
    Buy Surplus As Low As £467.20 Price with VAT: £560.64
    £467.20 Price with VAT: £560.64
    Repair Yours £326.30 Price with VAT: £391.56
    SIEMENS 540-103N

    SIEMENS

    LANDIS & GYR

    540-103N

    VAV TEC CONTROLLER, OPERATING RANGE 19.2 TO 27.6 VAC 50 OR 60 HZ, OUTPUT 6 DO 24 VAC OPTICALLY ISOLATED SOLID STATE SWITCHES @ 0.5 AMP***NON-RETURNABLE NON-CANCELABLE SPECIAL ORDER***
    ✓ IN STOCK!
    £1,214.39 Price with VAT: £1,457.27 Buy Surplus As Low As £694.97 Price with VAT: £833.96
    £694.97 Price with VAT: £833.96
    Repair Yours £587.71 Price with VAT: £705.25
    SIEMENS 540-104

    SIEMENS

    LANDIS & GYR

    540-104

    DISCONTINUED BY MANUFACTURER, CONSTANT VOLUME CONTROLLER, W/ AUTO ZERO INPUT, 24VAC, 32-122DEG F, 10-95% RELATIVE HUMIDITY
    ✓ IN STOCK!
    Buy Surplus As Low As £1,341.60 Price with VAT: £1,609.92
    £1,341.60 Price with VAT: £1,609.92
    Repair Yours £1,116.86 Price with VAT: £1,340.23
    SIEMENS 540-105

    SIEMENS

    LANDIS & GYR

    540-105

    DISCONTINUED BY MANUFACTURER, HEAT PUMP CONTROLLER, SYSTEM 600, SINGLE STAGE, 24 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As £364.62 Price with VAT: £437.54
    £364.62 Price with VAT: £437.54
    Repair Yours £307.16 Price with VAT: £368.59
    SIEMENS 540-110

    SIEMENS

    LANDIS & GYR

    540-110

    UNIT CONDITIONER / TERMINAL EQUIPMENT CONTROLLER, SYSTEM 600, ELECTRONIC OUTPUT, 24VAC, 50/60HZ, NO DIRECT RPL, INSTALLATION INSTRUCTIONS #540-194, REPLACES 540-110N
    ✓ IN STOCK!
    Buy Surplus As Low As £435.21 Price with VAT: £522.25
    £435.21 Price with VAT: £522.25
    Repair Yours £378.04 Price with VAT: £453.65
    SIEMENS 540-120

    SIEMENS

    LANDIS & GYR

    540-120

    TERMINAL EQUIPMENT CONTROLLER RTS
    ✓ IN STOCK!
    Buy Surplus As Low As £103.79 Price with VAT: £124.55
    £103.79 Price with VAT: £124.55
    Repair Yours Contact Us
    SIEMENS 540-122

    SIEMENS

    LANDIS & GYR

    540-122

    DISCONTINUED BY MANUFACTURER, ROOM TEMPERATURE SENSOR, TERMINAL EQUIPMENT CONTROLLER, WITH FAHRENHEIT INDICATION, SETPOINT DIAL, DI SWITCH, REPLACED BY QAA2280.FWSC
    ✓ IN STOCK!
    Buy Surplus As Low As £138.89 Price with VAT: £166.67
    £138.89 Price with VAT: £166.67
    Repair Yours £200.00 Price with VAT: £240.00
    SIEMENS 540-160

    SIEMENS

    LANDIS & GYR

    540-160

    SIEMENS, LANDIS & GYR, 540-160, 540160, POWERS, SYSTEM 600, VENT CONTROLLER UNIT, 115/230VAC, 60HZ, .25AMP
    ✓ IN STOCK!
    Buy Surplus As Low As £155.16 Price with VAT: £186.19
    £155.16 Price with VAT: £186.19
    Repair Yours £200.00 Price with VAT: £240.00
    SIEMENS 540-245

    SIEMENS

    LANDIS & GYR

    540-245

    DISCONTINUED BY MANUFACTURER, AVERAGING TEMPERATURE SENSOR ASSEMBLY, 3 FT, 100K OHM THERMISTOR
    ✓ IN STOCK!
    Buy Surplus As Low As £26.54 Price with VAT: £31.85
    £26.54 Price with VAT: £31.85
    SIEMENS 540-509

    SIEMENS

    LANDIS & GYR

    540-509

    DISCONTINUED BY MANUFACTURER, UNIT VENT CONTROLLER SYSTEM, 24 VAC, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As £576.16 Price with VAT: £691.39
    £576.16 Price with VAT: £691.39
    Repair Yours £463.50 Price with VAT: £556.20
    SIEMENS 540-511A

    SIEMENS

    LANDIS & GYR

    540-511A

    HVAC CONTROL SYSTEM, CLASS 2, 24VAC
    ✓ IN STOCK!
    Buy Surplus As Low As £716.20 Price with VAT: £859.44
    £716.20 Price with VAT: £859.44
    Repair Yours £539.18 Price with VAT: £647.02
    SIEMENS 540-650B

    SIEMENS

    LANDIS & GYR

    540-650B

    ROOM TEMPERATURE SENSOR, SERIES 2000, INTERACTIVE, WHITE LCD DISPLAY, TEC, DIGITAL SET POINT ADJUSTMENT
    ✓ IN STOCK!
    £388.77 Price with VAT: £466.53 Buy Surplus As Low As £241.22 Price with VAT: £289.47
    £241.22 Price with VAT: £289.47
    SIEMENS 540-664B

    SIEMENS

    LANDIS & GYR

    540-664B

    ELECTRONIC ROOM SENSOR, WHITE, THERMISTOR, SETPOINT ADJUSTMENT
    Buy Surplus As Low As £116.00 Price with VAT: £139.20
    £116.00 Price with VAT: £139.20
    Repair Yours Contact Us
    SIEMENS 540-672CB

    SIEMENS

    LANDIS & GYR

    540-672CB

    ROOM TEMPERATURE SENSOR 10KOHM THERMISTOR 55-95F
    ✓ IN STOCK!
    £141.56 Price with VAT: £169.87 Buy Surplus As Low As £130.52 Price with VAT: £156.62
    £130.52 Price with VAT: £156.62
    Repair Yours Contact Us
    SIEMENS 540-844

    SIEMENS

    LANDIS & GYR

    540-844

    DISCONTINUED BY MANUFACTURER, HEAT PUMP CONTROLLER, HUMIDITY VAV, W/CO2 MONITORING, NO REPLACEMENT
    ✓ IN STOCK!
    Buy Surplus As Low As £250.00 Price with VAT: £300.00
    £250.00 Price with VAT: £300.00
    Repair Yours £235.49 Price with VAT: £282.59
    SIEMENS 541-351

    SIEMENS

    LANDIS & GYR

    541-351

    CONTROLLER BOARD
    ✓ IN STOCK!
    Buy Surplus As Low As £283.99 Price with VAT: £340.79
    £283.99 Price with VAT: £340.79
    Repair Yours £190.93 Price with VAT: £229.11
    SIEMENS 544-110

    SIEMENS

    LANDIS & GYR

    544-110

    DISCONTINUED BY MANUFACTURER, PROCESSOR CARD, FOR UNITARY CONTROLLER
    ✓ IN STOCK!
    Buy Surplus As Low As £481.69 Price with VAT: £578.03
    £481.69 Price with VAT: £578.03
    Repair Yours £354.34 Price with VAT: £425.21
    SIEMENS 544-120

    SIEMENS

    LANDIS & GYR

    544-120

    DISCONTINUED BY MANUFACTURER, I/O CARD, ANALOG, FOR POWERS SYSTEM 600 CONTROLLER
    ✓ IN STOCK!
    Buy Surplus As Low As £308.28 Price with VAT: £369.93
    £308.28 Price with VAT: £369.93
    SIEMENS 544-196

    SIEMENS

    LANDIS & GYR

    544-196

    TRANSDUCER ELECTRIC-PNEUMATIC PXP2
    Buy Surplus As Low As £218.03 Price with VAT: £261.63
    £218.03 Price with VAT: £261.63
    SIEMENS 544-198

    SIEMENS

    LANDIS & GYR

    544-198

    TRANSDUCER ELECTRIC PNEUMATIC
    Buy Surplus As Low As £266.97 Price with VAT: £320.36
    £266.97 Price with VAT: £320.36
    Repair Yours £222.47 Price with VAT: £266.97
    SIEMENS 544-305

    SIEMENS

    LANDIS & GYR

    544-305

    DISCONTINUED BY MANUFACTURER, CONTROL BOARD, BACK PANEL, FOR POWERS SYSTEM, 600 UNITARY CONTROL, WITH LED CHANNEL INDICATION
    ✓ IN STOCK!
    Buy Surplus As Low As £331.20 Price with VAT: £397.44
    £331.20 Price with VAT: £397.44
    Repair Yours £274.87 Price with VAT: £329.84
    SIEMENS 544-339

    SIEMENS

    LANDIS & GYR

    544-339

    DUCT TEMPERATURE SENSOR, POINT TYPE, -40 TO 18F MEASURING RANGE, 18IN (RIGID) PROBE LENGTH, 1K PT RTD (375A)
    ✓ IN STOCK!
    £79.98 Price with VAT: £95.98 Buy Surplus As Low As £39.90 Price with VAT: £47.88
    £39.90 Price with VAT: £47.88
    SIEMENS 544-342-24

    SIEMENS

    SIEMENS INDUSTRY

    544-342-24

    DUCT AV. TMP, 1K OHM, PT(375), 24', FLEX
    ✓ IN STOCK!
    £122.78 Price with VAT: £147.33 Buy Surplus As Low As £90.62 Price with VAT: £108.75
    £90.62 Price with VAT: £108.75
    SIEMENS 544-343

    SIEMENS

    LANDIS & GYR

    544-343

    DUCT SENSOR 1000OHM PLATINUM RTD INPUT 18IN/PROBE
    ✓ IN STOCK!
    £69.98 Price with VAT: £83.98 Buy Surplus As Low As £43.08 Price with VAT: £51.70
    £43.08 Price with VAT: £51.70
    Repair Yours Contact Us
    SIEMENS 544-381

    SIEMENS

    LANDIS & GYR

    544-381

    BACKPLANE BOARD FOR UNITARY CONTROLLER
    ✓ IN STOCK!
    Buy Surplus As Low As £618.76 Price with VAT: £742.51
    £618.76 Price with VAT: £742.51
    Repair Yours £533.91 Price with VAT: £640.69
    SIEMENS 544-449

    SIEMENS

    LANDIS & GYR

    544-449

    DISCONTINUED BY MANUFACTURER, ENCLOSURE ASSEMBLY, POWERS SYS 600, UNITARY CONTROL
    ✓ IN STOCK!
    Buy Surplus As Low As £206.52 Price with VAT: £247.82
    £206.52 Price with VAT: £247.82
    Repair Yours £171.41 Price with VAT: £205.69
    SIEMENS 544-550

    SIEMENS

    LANDIS & GYR

    544-550

    DISCONTINUED BY MANUFACTURER, CONTROLLER, UNITARY POWER SYSTEM 600, W/ KEYPAD, 24VAC, 60HZ, 2 AMP, CLASS 2
    ✓ IN STOCK!
    Buy Surplus As Low As £194.37 Price with VAT: £233.24
    £194.37 Price with VAT: £233.24
    Repair Yours £161.32 Price with VAT: £193.59
    SIEMENS 544-577

    SIEMENS

    LANDIS & GYR

    544-577

    DISCONTINUED BY MANUFACTURER, TEMPERATURE SENSOR, RTD, 1000OHM, PLATINUM -40-240F
    ✓ IN STOCK!
    Buy Surplus As Low As £35.71 Price with VAT: £42.86
    £35.71 Price with VAT: £42.86
    SIEMENS 545-040

    SIEMENS

    LANDIS & GYR

    545-040

    DISCONTINUED BY MANUFACTURER, ADDRESS KEYS 004-064
    ✓ IN STOCK!
    Buy Surplus As Low As £19.51 Price with VAT: £23.41
    £19.51 Price with VAT: £23.41
    Repair Yours Contact Us
    SIEMENS 545-041

    SIEMENS

    LANDIS & GYR

    545-041

    ADDRESS KEYS 068-128
    ✓ IN STOCK!
    £28.39 Price with VAT: £34.07 Buy Surplus As Low As £17.47 Price with VAT: £20.96
    £17.47 Price with VAT: £20.96
    Repair Yours Contact Us
    SIEMENS 545-042

    SIEMENS

    LANDIS & GYR

    545-042

    ADDRESS KEYS 132-192
    ✓ IN STOCK!
    £22.43 Price with VAT: £26.91 Buy Surplus As Low As £12.43 Price with VAT: £14.91
    £12.43 Price with VAT: £14.91
    Repair Yours Contact Us
    SIEMENS 545-077

    SIEMENS

    LANDIS & GYR

    545-077

    BACKPLANE MBC-24, 24 SLOT
    ✓ IN STOCK!
    £555.20 Price with VAT: £666.24 Buy Surplus As Low As £269.82 Price with VAT: £323.78
    £269.82 Price with VAT: £323.78
    Repair Yours £235.15 Price with VAT: £282.18
    SIEMENS 545-078

    SIEMENS

    LANDIS & GYR

    545-078

    BACKPLANE REPLACEMENT, SMOKE CONTROL SYSTEM EQUIPMENT SUBASSEMBLY
    ✓ IN STOCK!
    £713.83 Price with VAT: £856.60 Buy Surplus As Low As £182.66 Price with VAT: £219.19
    £182.66 Price with VAT: £219.19
    Repair Yours £200.00 Price with VAT: £240.00
    SIEMENS 545-442

    SIEMENS

    LANDIS & GYR

    545-442

    NETWORK CONTROLLER, 3MB, APOGEE
    ✓ IN STOCK!
    Buy Surplus As Low As £739.41 Price with VAT: £887.29
    £739.41 Price with VAT: £887.29
    Repair Yours £644.41 Price with VAT: £773.29
    SIEMENS 545-700

    SIEMENS

    LANDIS & GYR

    545-700

    DISCONTINUED BY MANUFACTURER, CONTROLLER MODULE, PLC MODULE, PROTOCOL 2, APOGEE SYSTEM, OPEN PROCESSOR, 1MB MEMORY, 2 MMI PORTS, 3 LAN PORTS
    ✓ IN STOCK!
    Buy Surplus As Low As £1,398.97 Price with VAT: £1,678.77
    £1,398.97 Price with VAT: £1,678.77
    Repair Yours £1,161.15 Price with VAT: £1,393.38
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