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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

    Sign in for pricing
  • D125B BOSCH

    BOSCH
    Original price $52.64 - Original price $52.64
    Original price
    $52.64
    $52.64 - $52.64
    Current price $52.64
    DISCONTINUED

    DUAL CLASS B INITIATING MODULE

    Original price $52.64 - Original price $52.64
    Original price
    $52.64
    $52.64 - $52.64
    Current price $52.64
  • D1260W BOSCH

    BOSCH
    Original price $223.47 - Original price $223.47
    Original price
    $223.47
    $223.47 - $223.47
    Current price $223.47

    Alpha Numeric Security System ATM Keypad Console Display

    Original price $223.47 - Original price $223.47
    Original price
    $223.47
    $223.47 - $223.47
    Current price $223.47
    Sold out
  • D1640 BOSCH

    BOSCH
    Original price $26.18 - Original price $26.18
    Original price
    $26.18
    $26.18 - $26.18
    Current price $26.18

    Transformer plug-in, 16V 40VA

    Original price $26.18 - Original price $26.18
    Original price
    $26.18
    $26.18 - $26.18
    Current price $26.18
  • D171 SPACE AGE

    SPACE AGE
    Original price $4,529.63 - Original price $4,529.63
    Original price
    $4,529.63
    $4,529.63 - $4,529.63
    Current price $4,529.63

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

    Original price $4,529.63 - Original price $4,529.63
    Original price
    $4,529.63
    $4,529.63 - $4,529.63
    Current price $4,529.63
    Sold out
  • D2 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $223.07 - Original price $223.07
    Original price
    $223.07
    $223.07 - $223.07
    Current price $223.07

    INNOVAIRFLEX D2 2-Wire Photoelectric Duct..

    Original price $223.07 - Original price $223.07
    Original price
    $223.07
    $223.07 - $223.07
    Current price $223.07
  • 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 $324.85 - Original price $324.85
    Original price
    $324.85
    $324.85 - $324.85
    Current price $324.85

    Fiber Module Mounting Plate

    Original price $324.85 - Original price $324.85
    Original price
    $324.85
    $324.85 - $324.85
    Current price $324.85
  • D344-5 BOSCH

    BOSCH
    Original price $11.04 - Original price $11.04
    Original price
    $11.04
    $11.04 - $11.04
    Current price $11.04
    DISCONTINUED

    SAMPLING TUBE 5FT [ 1.5 M ]

    Original price $11.04 - Original price $11.04
    Original price
    $11.04
    $11.04 - $11.04
    Current price $11.04
  • D344-RL BOSCH

    BOSCH
    Original price $27.46 - Original price $27.46
    Original price
    $27.46
    $27.46 - $27.46
    Current price $27.46
    DISCONTINUED

    REMOTE INDICATOR KIT

    Original price $27.46 - Original price $27.46
    Original price
    $27.46
    $27.46 - $27.46
    Current price $27.46
  • D355PL FIRE-LITE

    FIRE-LITE
    Original price $265.96 - Original price $265.96
    Original price
    $265.96
    $265.96 - $265.96
    Current price $265.96
    DISCONTINUED

    INTELLIGENT NON-RELAY Duct Smoke Detector

    Original price $265.96 - Original price $265.96
    Original price
    $265.96
    $265.96 - $265.96
    Current price $265.96
  • D365PL FIRE-LITE

    FIRE-LITE
    Original price $387.48 - Original price $387.48
    Original price
    $387.48
    $387.48 - $387.48
    Current price $387.48

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

    Original price $387.48 - Original price $387.48
    Original price
    $387.48
    $387.48 - $387.48
    Current price $387.48
  • D371 SPACE AGE

    SPACE AGE
    Original price $5,678.00 - Original price $5,678.00
    Original price
    $5,678.00
    $5,678.00 - $5,678.00
    Current price $5,678.00

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

    Original price $5,678.00 - Original price $5,678.00
    Original price
    $5,678.00
    $5,678.00 - $5,678.00
    Current price $5,678.00
    Sold out
  • D381 SPACE AGE

    SPACE AGE
    Original price $4,434.98 - Original price $4,434.98
    Original price
    $4,434.98
    $4,434.98 - $4,434.98
    Current price $4,434.98

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

    Original price $4,434.98 - Original price $4,434.98
    Original price
    $4,434.98
    $4,434.98 - $4,434.98
    Current price $4,434.98
    Sold out
  • D4120 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $256.95 - Original price $256.95
    Original price
    $256.95
    $256.95 - $256.95
    Current price $256.95

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

    Original price $256.95 - Original price $256.95
    Original price
    $256.95
    $256.95 - $256.95
    Current price $256.95
    Sold out
  • D4120W SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $307.80 - Original price $307.80
    Original price
    $307.80
    $307.80 - $307.80
    Current price $307.80

    Watertight 4-Wire Duct Smoke Detector

    Original price $307.80 - Original price $307.80
    Original price
    $307.80
    $307.80 - $307.80
    Current price $307.80
    Sold out
  • D4P120 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $158.96 - Original price $158.96
    Original price
    $158.96
    $158.96 - $158.96
    Current price $158.96

    4WIRE PHOTOELECTRIC PWR BOARD

    Original price $158.96 - Original price $158.96
    Original price
    $158.96
    $158.96 - $158.96
    Current price $158.96
  • D4S SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $157.35 - Original price $157.35
    Original price
    $157.35
    $157.35 - $157.35
    Current price $157.35

    INNOVAIRFLEX 4-WIRE CONVENTIONAL SENSOR ONLY COMPONENT

    Original price $157.35 - Original price $157.35
    Original price
    $157.35
    $157.35 - $157.35
    Current price $157.35
    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 $137.10 - Original price $137.10
    Original price
    $137.10
    $137.10 - $137.10
    Current price $137.10
    DISCONTINUED

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

    Original price $137.10 - Original price $137.10
    Original price
    $137.10
    $137.10 - $137.10
    Current price $137.10
  • D7050 BOSCH

    BOSCH
    Original price $60.47 - Original price $60.47
    Original price
    $60.47
    $60.47 - $60.47
    Current price $60.47

    MULTIPLEX PHOTOELECTRIC SMOKE DETECTORS

    Original price $60.47 - Original price $60.47
    Original price
    $60.47
    $60.47 - $60.47
    Current price $60.47
    Sold out
  • D8108A BOSCH

    BOSCH
    Original price $88.34 - Original price $88.34
    Original price
    $88.34
    $88.34 - $88.34
    Current price $88.34

    Enclosure Attack Resistant (Ul Appr)

    Original price $88.34 - Original price $88.34
    Original price
    $88.34
    $88.34 - $88.34
    Current price $88.34
  • D8125 BOSCH

    BOSCH
    Original price $56.82 - Original price $56.82
    Original price
    $56.82
    $56.82 - $56.82
    Current price $56.82
    DISCONTINUED

    MULTIPLEX POPET MODULE NULL

    Original price $56.82 - Original price $56.82
    Original price
    $56.82
    $56.82 - $56.82
    Current price $56.82
    Sold out
  • D8129 BOSCH

    BOSCH
    Original price $64.31 - Original price $64.31
    Original price
    $64.31
    $64.31 - $64.31
    Current price $64.31
    DISCONTINUED

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

    Original price $64.31 - Original price $64.31
    Original price
    $64.31
    $64.31 - $64.31
    Current price $64.31
  • D8130 BOSCH

    BOSCH
    Original price $105.60 - Original price $105.60
    Original price
    $105.60
    $105.60 - $105.60
    Current price $105.60

    DOOR RELEASE MODULE

    Original price $105.60 - Original price $105.60
    Original price
    $105.60
    $105.60 - $105.60
    Current price $105.60
  • D9127T BOSCH

    BOSCH
    Original price $38.29 - Original price $38.29
    Original price
    $38.29
    $38.29 - $38.29
    Current price $38.29

    1ZN POPIT WITH TAMPER NULL

    Original price $38.29 - Original price $38.29
    Original price
    $38.29
    $38.29 - $38.29
    Current price $38.29
    Sold out
  • D9127U BOSCH

    BOSCH
    Original price $22.61 - Original price $22.61
    Original price
    $22.61
    $22.61 - $22.61
    Current price $22.61

    POPIT MODULE

    Original price $22.61 - Original price $22.61
    Original price
    $22.61
    $22.61 - $22.61
    Current price $22.61
    Sold out
  • DA-001 SPACE AGE

    SPACE AGE
    Original price $381.49 - Original price $381.49
    Original price
    $381.49
    $381.49 - $381.49
    Current price $381.49

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

    Original price $381.49 - Original price $381.49
    Original price
    $381.49
    $381.49 - $381.49
    Current price $381.49
    Sold out
  • DA-002 SPACE AGE

    SPACE AGE
    Original price $229.64 - Original price $229.64
    Original price
    $229.64
    $229.64 - $229.64
    Current price $229.64

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

    Original price $229.64 - Original price $229.64
    Original price
    $229.64
    $229.64 - $229.64
    Current price $229.64
    Sold out
  • DA-003 SPACE AGE

    SPACE AGE
    Original price $305.20 - Original price $305.20
    Original price
    $305.20
    $305.20 - $305.20
    Current price $305.20

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

    Original price $305.20 - Original price $305.20
    Original price
    $305.20
    $305.20 - $305.20
    Current price $305.20
    Sold out
  • DA-004 SPACE AGE

    SPACE AGE
    Original price $1,525.87 - Original price $1,525.87
    Original price
    $1,525.87
    $1,525.87 - $1,525.87
    Current price $1,525.87

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

    Original price $1,525.87 - Original price $1,525.87
    Original price
    $1,525.87
    $1,525.87 - $1,525.87
    Current price $1,525.87
    Sold out
  • DA-006 SPACE AGE

    SPACE AGE
    Original price $114.84 - Original price $114.84
    Original price
    $114.84
    $114.84 - $114.84
    Current price $114.84

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

    Original price $114.84 - Original price $114.84
    Original price
    $114.84
    $114.84 - $114.84
    Current price $114.84
    Sold out
  • DA-008 SPACE AGE

    SPACE AGE
    Original price $436.00 - Original price $436.00
    Original price
    $436.00
    $436.00 - $436.00
    Current price $436.00

    REMOTE TEST SWITCH DETECTORS INC#: DA-008

    Original price $436.00 - Original price $436.00
    Original price
    $436.00
    $436.00 - $436.00
    Current price $436.00
    Sold out
  • DA-009 SPACE AGE

    SPACE AGE
    Original price $1,198.88 - Original price $1,198.88
    Original price
    $1,198.88
    $1,198.88 - $1,198.88
    Current price $1,198.88

    TABLET AND SOFTWARE DETECTORS INC#: DA-009

    Original price $1,198.88 - Original price $1,198.88
    Original price
    $1,198.88
    $1,198.88 - $1,198.88
    Current price $1,198.88
    Sold out
  • DA-C HOCHIKI

    HOCHIKI
    Original price $15.02 - Original price $15.02
    Original price
    $15.02
    $15.02 - $15.02
    Current price $15.02

    DUAL ACTION COVER

    Original price $15.02 - Original price $15.02
    Original price
    $15.02
    $15.02 - $15.02
    Current price $15.02
  • DAC-NET SIEMENS

    SIEMENS
    Original price $1,796.74 - Original price $1,796.74
    Original price
    $1,796.74
    $1,796.74 - $1,796.74
    Current price $1,796.74

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

    Original price $1,796.74 - Original price $1,796.74
    Original price
    $1,796.74
    $1,796.74 - $1,796.74
    Current price $1,796.74
  • DACT-UD2 FIRE-LITE

    FIRE-LITE
    Original price $426.70 - Original price $426.70
    Original price
    $426.70
    $426.70 - $426.70
    Current price $426.70

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

    Original price $426.70 - Original price $426.70
    Original price
    $426.70
    $426.70 - $426.70
    Current price $426.70
  • DB-11 SIEMENS

    SIEMENS
    Original price $6.49 - Original price $6.49
    Original price
    $6.49
    $6.49 - $6.49
    Current price $6.49

    Low Profile Surface Mount Detector Base

    Original price $6.49 - Original price $6.49
    Original price
    $6.49
    $6.49 - $6.49
    Current price $6.49
    Sold out
  • DB-11E SIEMENS

    SIEMENS
    Original price $6.49 - Original price $6.49
    Original price
    $6.49
    $6.49 - $6.49
    Current price $6.49

    Base for OP/OH/HI921

    Original price $6.49 - Original price $6.49
    Original price
    $6.49
    $6.49 - $6.49
    Current price $6.49
    Sold out
  • DB-3S SIEMENS

    SIEMENS
    Original price $14.76 - Original price $14.76
    Original price
    $14.76
    $14.76 - $14.76
    Current price $14.76

    SERIES-3 BASE (Part# 595-381804)

    Original price $14.76 - Original price $14.76
    Original price
    $14.76
    $14.76 - $14.76
    Current price $14.76
  • DB-ADPT SIEMENS

    SIEMENS
    Original price $39.64 - Original price $39.64
    Original price
    $39.64
    $39.64 - $39.64
    Current price $39.64

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

    Original price $39.64 - Original price $39.64
    Original price
    $39.64
    $39.64 - $39.64
    Current price $39.64
    Sold out
  • DB-X11RS SIEMENS

    SIEMENS
    Original price $100.51 - Original price $100.51
    Original price
    $100.51
    $100.51 - $100.51
    Current price $100.51

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

    Original price $100.51 - Original price $100.51
    Original price
    $100.51
    $100.51 - $100.51
    Current price $100.51
  • DB-X3RS SIEMENS

    SIEMENS
    Original price $85.12 - Original price $85.12
    Original price
    $85.12
    $85.12 - $85.12
    Current price $85.12

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

    Original price $85.12 - Original price $85.12
    Original price
    $85.12
    $85.12 - $85.12
    Current price $85.12
  • DB1HPULA024D1D2NNNR WHEELOCK

    WHEELOCK
    Original price $4,522.10 - Original price $4,522.10
    Original price
    $4,522.10
    $4,522.10 - $4,522.10
    Current price $4,522.10

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

    Original price $4,522.10 - Original price $4,522.10
    Original price
    $4,522.10
    $4,522.10 - $4,522.10
    Current price $4,522.10
  • DB2-HR SIEMENS

    SIEMENS
    Original price $83.63 - Original price $83.63
    Original price
    $83.63
    $83.63 - $83.63
    Current price $83.63

    Relay Base

    Original price $83.63 - Original price $83.63
    Original price
    $83.63
    $83.63 - $83.63
    Current price $83.63
  • DB3BULGD048N1ZSNSN MEDC

    MEDC
    Original price $1,184.82 - Original price $1,184.82
    Original price
    $1,184.82
    $1,184.82 - $1,184.82
    Current price $1,184.82

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

    Original price $1,184.82 - Original price $1,184.82
    Original price
    $1,184.82
    $1,184.82 - $1,184.82
    Current price $1,184.82
  • DC-MAX-C WHEELOCK

    WHEELOCK
    Original price $460.03 - Original price $460.03
    Original price
    $460.03
    $460.03 - $460.03
    Current price $460.03

    CLEAR LENS, 10.5-31.0, DOUBLE

    Original price $460.03 - Original price $460.03
    Original price
    $460.03
    $460.03 - $460.03
    Current price $460.03
    Sold out