Turck BL20-S4S-SBBS-CJ Base Module With Screw Connection

Description:

The TURCK BL20-S4S-SBBS-CJ base module is used in BL20 distributed I/O and industrial automation systems. Commonly installed in process automation, temperature monitoring systems, packaging equipment, and manufacturing lines requiring a wiring base for BL20 thermocouple and analog I/O modules. Maintenance teams, OEMs, and system integrators use this part for new control panel construction, I/O expansion, module replacement, and automation retrofits.

Applications:

The TURCK BL20-S4S-SBBS-CJ serves as a passive wiring base for BL20 electronic modules and provides screw terminal connections for field devices and sensors. It is commonly used with thermocouple input modules requiring cold junction compensation in process heating systems, ovens, furnaces, food processing equipment, and industrial temperature control applications. The design allows electronic modules to be replaced without removing field wiring, reducing downtime and simplifying maintenance.

Technical Specifications:

• Manufacturer Part Number (MPN): BL20-S4S-SBBS-CJ
• Manufacturer: TURCK
• Identification Number: 6827049
• Internal Reference: #326812
• Product Type: BL20 Base Module with Cold Junction
• Series: BL20 I/O System
• Function: Passive wiring base for BL20 electronic modules
• Terminal Technology: Screw connection
• Terminal Rows: 4 rows (Signal + Power + Power + Signal)
• Cold Junction Compensation: Yes
• Compatible Modules: BL20 thermocouple and analog modules
• Connection Type: Screw terminals
• Mounting Type: DIN rail mount
• Protection Rating: IP20
• Electrical Design: Passive connection component
• Mechanical Coding: Yes, prevents incorrect module installation
• Module Replacement: Supports replacement of electronic modules while wiring remains connected
• Weight: 57 g
• Approvals: cULus
• Country Of Origin: Switzerland
• Application: Distributed I/O wiring interface for industrial automation systems and temperature monitoring applications.

Common Replacements:

• TURCK BL20-S4S-SBBS
• TURCK BL20-S3S-SBB
• TURCK BL20-B4S-SBBC