content loaded
Key Features
- Disconnects a B5512/B4512/B3512 from the batteryWhen the battery level drops to 9.5V DC
- Required for use with compatible control panels for CAN/ULC S559
- Quick and easy installation
Key Features
- Disconnects a B5512/B4512/B3512 from the batteryWhen the battery level drops to 9.5V DC
- Required for use with compatible control panels for CAN/ULC S559
- Quick and easy installation
Sign In for Dealer Pricing
Become an ADI CustomerKey Features
- Disconnects a B5512/B4512/B3512 from the batteryWhen the battery level drops to 9.5V DC
- Required for use with compatible control panels for CAN/ULC S559
- Quick and easy installation

Please sign in to view pricing and availability and to add to cart.
Overview
Specifications
Documents
Product Overview
The D135A works with compatible control panels to protect the battery from deep discharge in the event of an extended AC power outage. The D135A prevents deep discharge by disconnecting the battery from the control panel when battery voltage drops down to 9.5 VDC.
Main Features
- Disconnects a B5512/B4512/B3512 from the batteryWhen the battery level drops to 9.5V DC
- Required for use with compatible control panels for CAN/ULC S559
- Quick and easy installation
General Information
Name: Bosch D135A Low-Battery Disconnect Module
Category: Bosch, Access Control, Access Control Panels & Accessories, Control Panel Modules, ADI Pro Rewards
UPC Code: 782695030721
Country of Origin: China. Country of origin is subject to change.
Specifications
-
ADI Part Number DS-D135A Brand Name Bosch Manufacturer The Bosch Group Manufacturer Part Number D135A Product Model D135A Product Name D135A Low-battery Disconnect Module Product Type Low Battery Disconnect Module Weight 0.74 oz
-
Device Supported Control Panel
-
Maximum Operating Temperature 122°F (50°C) Minimum Operating Temperature 32°F (0°C)
-
Depth 0.8" Height 1.3" Width 2.8"
-
Input Voltage 12V DC
-
Compatibility Control Panels: B6512 B5512/B5512E B4512/B4512E B3512/B3512E Batteries: 1 x 7AH or 1 x 18 AH 12V battery Country of Origin CN Environmental Certification RoHS Environmentally Friendly Yes