Instruction/ maintenance manual of the product D125B Bosch Appliances
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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 o.
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.
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 maxi.
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.
An important point after buying a device Bosch Appliances D125B (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Bosch Appliances D125B yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Bosch Appliances D125B - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Bosch Appliances D125B you will learn all the available features of the product, as well as information on its operation. The information that you get Bosch Appliances D125B will certainly help you make a decision on the purchase.
If you already are a holder of Bosch Appliances D125B, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Bosch Appliances D125B.
However, one of the most important roles played by the user manual is to help in solving problems with Bosch Appliances D125B. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Bosch Appliances D125B along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
