Bosch B901 Access Control Module SDI2 Wiegand Card Reader Door Controller

BOSCH B901 ACCESS CONTROL MODULE | SDI2 / SDI | OPEN BOX

Professional Bosch B901 access control interface module designed for commercial security and electronic door-access applications.

Features direct Wiegand card reader integration, supervised door monitoring, programmable access control functions, and compatibility with supported Bosch intrusion control panels.

PRODUCT SPECIFICATIONS

• Brand: Bosch Security Systems

• Model: B901

• MPN: B901

• Manufacturer Part Number: F.01U.323.803

• Type: Access Control Interface Module

• Application: Commercial Door Access Control

• Door Control: Single Door

• Reader Interface: Wiegand

• Communication: SDI2 / SDI Bus

• Operating Voltage: 12V DC Nominal

• Operating Current: 110mA + Reader Current

• Relay Output: Form C (NC, COM, NO)

• Relay Contact Rating: 2A at 12/24V

• Supervised Door Input: Yes

• Request-to-Exit Input: Yes

• Request-to-Enter Input: Yes

• Buzzer Output: Yes

• Access Authority Levels: 14 Programmable Levels

• Maximum Supported Credentials: Up to 2,000 User Tokens on SDI2

• Module Length: 5.0 Inches

• Module Width: 2.9 Inches

• Module Depth: 0.6 Inches

• Operating Temperature: 32°F to 122°F

• Mounting: Internal Security Enclosure

• Manufacturer: Bosch Security interface to compatible Wiegand card readers

• Fully supervised SDI2/SDI electronic access control

• Request-to-exit and request-to-enter functionality

• Integrated door strike relay control

• Four programmable door states: Locked, Unlocked, Secured, and Fire Unlock

• Supervised door contact monitoring

• Onboard buzzer output

• Adjustable module addressing

• Compatible with supported Bosch G Series and B Series control open-box condition.

  Module appears unused and is packaged in its original Bosch manufacturer box.

  Original installation documentation and visible wiring harness are included.

  Original box shows shelf wear, scuffs, and handling marks.

  Unit has not been independently powered on or functionally tested.

  IMPORTANT BUYER INFORMATION

  Please carefully review all photographs. You will receive only the module and accessories or packaging shown in the photographs.

  Buyer is responsible for confirming compatibility with their Bosch control panel, card readers, credentials, electronic locks, wiring, and mounting hardware.

  This module requires a compatible Bosch security control panel and is not a standalone access control system.

  Professional installation and programming may be required.