B&R X20TB12 12-Pin Terminal Block

Model Number: X20TB12

Product Type: 12-pin Terminal Block (24 VDC keyed)

Core Function: Provides wiring interface for X20 24 VDC modules, enabling secure connection of 

field wires to the X20 system.

Key Features: Tool-free push-in wiring, lever-operated wire release, individual terminal labeling 

(plain text supported), test probe access, customer-codable, and copper wire compatibility.

Application Scope: Industrial control systems using B&R X20 I/O modules, suitable for general and 

marine environments, and hazardous locations (per associated certifications).

Number of Pins: 12.

Compatible Wires: Only copper wires (no aluminum); fine-stranded wires require twisting.

Wire Cross Sections:

Bare/stranded: 0.25–2.50 mm² (24–14 AWG).

With wire end sleeves: 0.25–1.50 mm² (24–16 AWG).

With double wire end sleeves: Up to 2×0.75 mm² (2×21 AWG).

Wire Stripping Length: 7–9 mm (0.27–0.37 inch).

Cable Holding Force: Typical 10 N (fine-stranded wires).

Contact Resistance: ≤5 mΩ.

Rated Voltage: 240 V AC / 48 V DC (general); 300 V AC / 60 V DC (max).

Rated Current: 10 A per contact (note: follow X20 module’s limit data).

Distance Between Contacts: 4.2 mm (horizontal); 10.96 mm (vertical).

Test Probe Access: ø2 mm opening per contact.