Bosch Appliances D125B manual

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Table of contents for the manual

  • Page 1

    Fire Alarm Systems | D125B Dual Class B Initiating Module D125B Dual Class B Initiating Module www.boschsecurity.com u Two separate powered detector loops u Suitable for 12 VDC or 24 VDC, two‑wire or four‑wire detectors u Up to 50 two‑wire 12 VDC glass break detectors u Reports individual loop alarm, individual loop trouble, and ground fault [...]

  • Page 2

    24 VDC Applications An auxiliary power supply is used in 24 VDC applications. The auxiliary power supply provides power for the module and all devices connected to the two loops. Notice The power supply is not provided with the unit. Any power supply installed must be UL listed for use with Bosch fire products. The D130 Relay Module is used for 24 [...]

  • Page 3

    Technical specifications Mechanical Properties Dimensions (H x W x D): 5 in. x 3 in. x 0.8 in. (12.7 cm x 7.6 cm x 2.0 cm) Power Requirements (12 VDC Circuits) Current (alarm): 1 loop only: 75 mA maximum Both loops: 145 mA maximum Current (standby): 1 loop only: 12 mA maximum Both loops: 24 mA maximum Voltage (nominal) 12 VDC supplied by control pa[...]

  • Page 4

    4 | D125B Dual Class B Initiating Module Represented by: Americas: Europe, Middle East, Africa: Asia-Pacific: China: America Latina: Bosch Security Systems, Inc. 130 Perinton Parkway Fairport, New York, 14450, USA Phone: +1 800 289 0096 Fax: +1 585 223 9180 security.sales@us.bosch.com www.boschsecurity.us Bosch Security Systems B.V. P.O. Box 80002 [...]