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  • D100-120/2083Y DITEK

    DITEK
    Sign in for pricing

    120/208 VAC 3 Phase WYE, 4W(+G), 100kA, SPD Type 1 & 2, UL1449 Listed

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  • D125B BOSCH

    BOSCH
    Original price $38.21 - Original price $38.21
    Original price
    $38.21
    $38.21 - $38.21
    Current price $38.21
    DISCONTINUED

    DUAL CLASS B INITIATING MODULE

    Original price $38.21 - Original price $38.21
    Original price
    $38.21
    $38.21 - $38.21
    Current price $38.21
  • D1260W BOSCH

    BOSCH
    Original price $162.20 - Original price $162.20
    Original price
    $162.20
    $162.20 - $162.20
    Current price $162.20

    Alpha Numeric Security System ATM Keypad Console Display

    Original price $162.20 - Original price $162.20
    Original price
    $162.20
    $162.20 - $162.20
    Current price $162.20
    Sold out
  • D1640 BOSCH

    BOSCH
    Original price $19.00 - Original price $19.00
    Original price
    $19.00
    $19.00 - $19.00
    Current price $19.00

    Transformer plug-in, 16V 40VA

    Original price $19.00 - Original price $19.00
    Original price
    $19.00
    $19.00 - $19.00
    Current price $19.00
  • D171 SPACE AGE

    SPACE AGE
    Original price $3,287.70 - Original price $3,287.70
    Original price
    $3,287.70
    $3,287.70 - $3,287.70
    Current price $3,287.70

    D171 1IRUV FLAME DETECTOR DETECTRS INC#:D171SS-111B-MU11

    Original price $3,287.70 - Original price $3,287.70
    Original price
    $3,287.70
    $3,287.70 - $3,287.70
    Current price $3,287.70
    Sold out
  • D2 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $161.91 - Original price $161.91
    Original price
    $161.91
    $161.91 - $161.91
    Current price $161.91

    INNOVAIRFLEX D2 2-Wire Photoelectric Duct..

    Original price $161.91 - Original price $161.91
    Original price
    $161.91
    $161.91 - $161.91
    Current price $161.91
  • D200-120/2083Y DITEK

    DITEK
    Sign in for pricing

    120/208 VAC 3 Phase WYE, 4W(+G), 200kA, SPD Type 1 & 2, UL1449 Listed

    Sign in for pricing
  • D200-277/4803Y DITEK

    DITEK
    Sign in for pricing

    277/480 VAC 3 Phase WYE, 4W(+G), 200kA, SPD Type 1 & 2, UL1449 Listed

    Sign in for pricing
  • D2300-MP SIEMENS

    SIEMENS
    Original price $235.78 - Original price $235.78
    Original price
    $235.78
    $235.78 - $235.78
    Current price $235.78

    Fiber Module Mounting Plate

    Original price $235.78 - Original price $235.78
    Original price
    $235.78
    $235.78 - $235.78
    Current price $235.78
  • D344-5 BOSCH

    BOSCH
    Original price $8.01 - Original price $8.01
    Original price
    $8.01
    $8.01 - $8.01
    Current price $8.01
    DISCONTINUED

    SAMPLING TUBE 5FT [ 1.5 M ]

    Original price $8.01 - Original price $8.01
    Original price
    $8.01
    $8.01 - $8.01
    Current price $8.01
  • D344-RL BOSCH

    BOSCH
    Original price $19.93 - Original price $19.93
    Original price
    $19.93
    $19.93 - $19.93
    Current price $19.93
    DISCONTINUED

    REMOTE INDICATOR KIT

    Original price $19.93 - Original price $19.93
    Original price
    $19.93
    $19.93 - $19.93
    Current price $19.93
  • D355PL FIRE-LITE

    FIRE-LITE
    Original price $193.04 - Original price $193.04
    Original price
    $193.04
    $193.04 - $193.04
    Current price $193.04
    DISCONTINUED

    INTELLIGENT NON-RELAY Duct Smoke Detector

    Original price $193.04 - Original price $193.04
    Original price
    $193.04
    $193.04 - $193.04
    Current price $193.04
  • D365PL FIRE-LITE

    FIRE-LITE
    Original price $281.24 - Original price $281.24
    Original price
    $281.24
    $281.24 - $281.24
    Current price $281.24

    FIRE-LITE INTELLIGENT NON-RELAY DUCT DETECTOR INCLUDES SD365R DETECTOR (COMING SOON) (FIRELITE)

    Original price $281.24 - Original price $281.24
    Original price
    $281.24
    $281.24 - $281.24
    Current price $281.24
  • D371 SPACE AGE

    SPACE AGE
    Original price $4,121.21 - Original price $4,121.21
    Original price
    $4,121.21
    $4,121.21 - $4,121.21
    Current price $4,121.21

    D371 3IRUV FLAME DETECTOR DETCETRS INC#:D371SS-111B-MU21

    Original price $4,121.21 - Original price $4,121.21
    Original price
    $4,121.21
    $4,121.21 - $4,121.21
    Current price $4,121.21
    Sold out
  • D381 SPACE AGE

    SPACE AGE
    Original price $3,219.00 - Original price $3,219.00
    Original price
    $3,219.00
    $3,219.00 - $3,219.00
    Current price $3,219.00

    D381 3IRUV FLAME DETECTOR DETECTORS INC. Configuration Code Required on Order.

    Original price $3,219.00 - Original price $3,219.00
    Original price
    $3,219.00
    $3,219.00 - $3,219.00
    Current price $3,219.00
    Sold out
  • D4120 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $186.50 - Original price $186.50
    Original price
    $186.50
    $186.50 - $186.50
    Current price $186.50

    InnovairFlex 4-wire conventional photoelectric duct detector, includes 2D51 detector.

    Original price $186.50 - Original price $186.50
    Original price
    $186.50
    $186.50 - $186.50
    Current price $186.50
    Sold out
  • D4120W SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $223.41 - Original price $223.41
    Original price
    $223.41
    $223.41 - $223.41
    Current price $223.41

    Watertight 4-Wire Duct Smoke Detector

    Original price $223.41 - Original price $223.41
    Original price
    $223.41
    $223.41 - $223.41
    Current price $223.41
    Sold out
  • D4P120 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $115.38 - Original price $115.38
    Original price
    $115.38
    $115.38 - $115.38
    Current price $115.38

    4WIRE PHOTOELECTRIC PWR BOARD

    Original price $115.38 - Original price $115.38
    Original price
    $115.38
    $115.38 - $115.38
    Current price $115.38
  • D4S SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $114.21 - Original price $114.21
    Original price
    $114.21
    $114.21 - $114.21
    Current price $114.21

    INNOVAIRFLEX 4-WIRE CONVENTIONAL SENSOR ONLY COMPONENT

    Original price $114.21 - Original price $114.21
    Original price
    $114.21
    $114.21 - $114.21
    Current price $114.21
    Sold out
  • D50-120/2083Y DITEK

    DITEK
    Sign in for pricing

    120/208 VAC 3 Phase WYE, 4W(+G), 50kA, SPD Type 1 & 2, UL1449 Listed

    Sign in for pricing
  • D7042 BOSCH

    BOSCH
    Original price $99.51 - Original price $99.51
    Original price
    $99.51
    $99.51 - $99.51
    Current price $99.51
    DISCONTINUED

    Multiplex 8 Input Remote Module (30/panel limit, 15/loop)

    Original price $99.51 - Original price $99.51
    Original price
    $99.51
    $99.51 - $99.51
    Current price $99.51
  • D7050 BOSCH

    BOSCH
    Original price $43.89 - Original price $43.89
    Original price
    $43.89
    $43.89 - $43.89
    Current price $43.89

    MULTIPLEX PHOTOELECTRIC SMOKE DETECTORS

    Original price $43.89 - Original price $43.89
    Original price
    $43.89
    $43.89 - $43.89
    Current price $43.89
    Sold out
  • D8108A BOSCH

    BOSCH
    Original price $64.12 - Original price $64.12
    Original price
    $64.12
    $64.12 - $64.12
    Current price $64.12

    Enclosure Attack Resistant (Ul Appr)

    Original price $64.12 - Original price $64.12
    Original price
    $64.12
    $64.12 - $64.12
    Current price $64.12
  • D8125 BOSCH

    BOSCH
    Original price $41.24 - Original price $41.24
    Original price
    $41.24
    $41.24 - $41.24
    Current price $41.24
    DISCONTINUED

    MULTIPLEX POPET MODULE NULL

    Original price $41.24 - Original price $41.24
    Original price
    $41.24
    $41.24 - $41.24
    Current price $41.24
    Sold out
  • D8129 BOSCH

    BOSCH
    Original price $46.68 - Original price $46.68
    Original price
    $46.68
    $46.68 - $46.68
    Current price $46.68
    DISCONTINUED

    Alarm System Octo-Relay Module, 30V DC, 1 Ampere, Panel Mount

    Original price $46.68 - Original price $46.68
    Original price
    $46.68
    $46.68 - $46.68
    Current price $46.68
  • D8130 BOSCH

    BOSCH
    Original price $76.65 - Original price $76.65
    Original price
    $76.65
    $76.65 - $76.65
    Current price $76.65

    DOOR RELEASE MODULE

    Original price $76.65 - Original price $76.65
    Original price
    $76.65
    $76.65 - $76.65
    Current price $76.65
  • D9127T BOSCH

    BOSCH
    Original price $27.79 - Original price $27.79
    Original price
    $27.79
    $27.79 - $27.79
    Current price $27.79

    1ZN POPIT WITH TAMPER NULL

    Original price $27.79 - Original price $27.79
    Original price
    $27.79
    $27.79 - $27.79
    Current price $27.79
    Sold out
  • D9127U BOSCH

    BOSCH
    Original price $16.41 - Original price $16.41
    Original price
    $16.41
    $16.41 - $16.41
    Current price $16.41

    POPIT MODULE

    Original price $16.41 - Original price $16.41
    Original price
    $16.41
    $16.41 - $16.41
    Current price $16.41
    Sold out
  • DA-001 SPACE AGE

    SPACE AGE
    Original price $276.89 - Original price $276.89
    Original price
    $276.89
    $276.89 - $276.89
    Current price $276.89

    SST SWIVEL MNT ARM D171/371 DETECTORS INC#: DA-001

    Original price $276.89 - Original price $276.89
    Original price
    $276.89
    $276.89 - $276.89
    Current price $276.89
    Sold out
  • DA-002 SPACE AGE

    SPACE AGE
    Original price $166.68 - Original price $166.68
    Original price
    $166.68
    $166.68 - $166.68
    Current price $166.68

    SST SWIV MNT ARM&PLT D381/383 DETECTORS INC#: DA-002

    Original price $166.68 - Original price $166.68
    Original price
    $166.68
    $166.68 - $166.68
    Current price $166.68
    Sold out
  • DA-003 SPACE AGE

    SPACE AGE
    Original price $221.52 - Original price $221.52
    Original price
    $221.52
    $221.52 - $221.52
    Current price $221.52

    AIR PURGE KIT (RED DETECTORS INC#: DA-003

    Original price $221.52 - Original price $221.52
    Original price
    $221.52
    $221.52 - $221.52
    Current price $221.52
    Sold out
  • DA-004 SPACE AGE

    SPACE AGE
    Original price $1,107.51 - Original price $1,107.51
    Original price
    $1,107.51
    $1,107.51 - $1,107.51
    Current price $1,107.51

    TEST LAMP FOR D171 DETECTOR DETECTORS INC#: DA-004

    Original price $1,107.51 - Original price $1,107.51
    Original price
    $1,107.51
    $1,107.51 - $1,107.51
    Current price $1,107.51
    Sold out
  • DA-006 SPACE AGE

    SPACE AGE
    Original price $83.35 - Original price $83.35
    Original price
    $83.35
    $83.35 - $83.35
    Current price $83.35

    FIELD OF VIEW RSTRCTR D171/371 DETECTORS INC#: DA-006

    Original price $83.35 - Original price $83.35
    Original price
    $83.35
    $83.35 - $83.35
    Current price $83.35
    Sold out
  • DA-008 SPACE AGE

    SPACE AGE
    Original price $316.46 - Original price $316.46
    Original price
    $316.46
    $316.46 - $316.46
    Current price $316.46

    REMOTE TEST SWITCH DETECTORS INC#: DA-008

    Original price $316.46 - Original price $316.46
    Original price
    $316.46
    $316.46 - $316.46
    Current price $316.46
    Sold out
  • DA-009 SPACE AGE

    SPACE AGE
    Original price $870.17 - Original price $870.17
    Original price
    $870.17
    $870.17 - $870.17
    Current price $870.17

    TABLET AND SOFTWARE DETECTORS INC#: DA-009

    Original price $870.17 - Original price $870.17
    Original price
    $870.17
    $870.17 - $870.17
    Current price $870.17
    Sold out
  • DA-C HOCHIKI

    HOCHIKI
    Original price $10.90 - Original price $10.90
    Original price
    $10.90
    $10.90 - $10.90
    Current price $10.90

    DUAL ACTION COVER

    Original price $10.90 - Original price $10.90
    Original price
    $10.90
    $10.90 - $10.90
    Current price $10.90
  • DAC-NET SIEMENS

    SIEMENS
    Original price $1,304.11 - Original price $1,304.11
    Original price
    $1,304.11
    $1,304.11 - $1,304.11
    Current price $1,304.11

    Digital audio card (stand alone or master slave network voice applications)

    Original price $1,304.11 - Original price $1,304.11
    Original price
    $1,304.11
    $1,304.11 - $1,304.11
    Current price $1,304.11
  • DACT-UD2 FIRE-LITE

    FIRE-LITE
    Original price $309.71 - Original price $309.71
    Original price
    $309.71
    $309.71 - $309.71
    Current price $309.71

    OPTIONAL COMMUNICATOR FOR REMOTE MONITORING(STANDARD WITH MS-9600UDLS).

    Original price $309.71 - Original price $309.71
    Original price
    $309.71
    $309.71 - $309.71
    Current price $309.71
  • DB-11 SIEMENS

    SIEMENS
    Original price $4.71 - Original price $4.71
    Original price
    $4.71
    $4.71 - $4.71
    Current price $4.71

    Low Profile Surface Mount Detector Base

    Original price $4.71 - Original price $4.71
    Original price
    $4.71
    $4.71 - $4.71
    Current price $4.71
    Sold out
  • DB-11E SIEMENS

    SIEMENS
    Original price $4.71 - Original price $4.71
    Original price
    $4.71
    $4.71 - $4.71
    Current price $4.71

    Base for OP/OH/HI921

    Original price $4.71 - Original price $4.71
    Original price
    $4.71
    $4.71 - $4.71
    Current price $4.71
    Sold out
  • DB-3S SIEMENS

    SIEMENS
    Original price $10.71 - Original price $10.71
    Original price
    $10.71
    $10.71 - $10.71
    Current price $10.71

    SERIES-3 BASE (Part# 595-381804)

    Original price $10.71 - Original price $10.71
    Original price
    $10.71
    $10.71 - $10.71
    Current price $10.71
  • DB-ADPT SIEMENS

    SIEMENS
    Original price $28.77 - Original price $28.77
    Original price
    $28.77
    $28.77 - $28.77
    Current price $28.77

    Siemens base adapter interfaces Series 11 detectors with previously installed DB-3S bases. (Part# 500-094187)

    Original price $28.77 - Original price $28.77
    Original price
    $28.77
    $28.77 - $28.77
    Current price $28.77
    Sold out
  • DB-X11RS SIEMENS

    SIEMENS
    Original price $72.95 - Original price $72.95
    Original price
    $72.95
    $72.95 - $72.95
    Current price $72.95

    SERIES-11 MOUNTING BASE WITH RELAY FOR ML (Part# 500-096125)

    Original price $72.95 - Original price $72.95
    Original price
    $72.95
    $72.95 - $72.95
    Current price $72.95
  • DB-X3RS SIEMENS

    SIEMENS
    Original price $61.78 - Original price $61.78
    Original price
    $61.78
    $61.78 - $61.78
    Current price $61.78

    SERIES-3 MOUNTING BASE WITH RELAY (Part# 500-083248)

    Original price $61.78 - Original price $61.78
    Original price
    $61.78
    $61.78 - $61.78
    Current price $61.78
  • DB1HPULA024D1D2NNNR WHEELOCK

    WHEELOCK
    Original price $3,282.23 - Original price $3,282.23
    Original price
    $3,282.23
    $3,282.23 - $3,282.23
    Current price $3,282.23

    MULTITONE,24VDC,100dBA,CL 1 DIV 1,RD

    Original price $3,282.23 - Original price $3,282.23
    Original price
    $3,282.23
    $3,282.23 - $3,282.23
    Current price $3,282.23
  • DB2-HR SIEMENS

    SIEMENS
    Original price $60.70 - Original price $60.70
    Original price
    $60.70
    $60.70 - $60.70
    Current price $60.70

    Relay Base

    Original price $60.70 - Original price $60.70
    Original price
    $60.70
    $60.70 - $60.70
    Current price $60.70
  • DB3BULGD048N1ZSNSN MEDC

    MEDC
    Original price $859.97 - Original price $859.97
    Original price
    $859.97
    $859.97 - $859.97
    Current price $859.97

    TXP-HORN, MULTI-TONE, 115 DB, 24V, C1,D2, BLACK

    Original price $859.97 - Original price $859.97
    Original price
    $859.97
    $859.97 - $859.97
    Current price $859.97
  • DC-MAX-C WHEELOCK

    WHEELOCK
    Original price $333.90 - Original price $333.90
    Original price
    $333.90
    $333.90 - $333.90
    Current price $333.90

    CLEAR LENS, 10.5-31.0, DOUBLE

    Original price $333.90 - Original price $333.90
    Original price
    $333.90
    $333.90 - $333.90
    Current price $333.90
    Sold out