Excellent PLC
Product Introduction
The Allen Bradley 1756-TBCH ControlLogix 36 Pin Cage-Clamp Terminal Block is a front-mounted removable terminal block designed for secure field wiring connections to compatible ControlLogix I/O modules. Engineered for reliability and installation efficiency, this terminal block utilizes cage-clamp technology to provide consistent contact pressure and long-term wiring stability in industrial environments.
The 1756-TBCH features a 36-pin configuration, making it suitable for high-density digital and analog I/O modules within the ControlLogix platform. Its cage-clamp design eliminates the need for periodic retightening typically required with screw terminals, thereby reducing maintenance time and improving long-term electrical reliability.
This terminal block supports single and double conductor wiring, allowing flexible field installation practices while maintaining electrical integrity. The robust construction ensures stable performance within standard industrial temperature ranges, making it appropriate for factory automation panels, process control systems, and OEM machine applications.
Installation is straightforward: the terminal block attaches directly to the front of compatible I/O modules, and it can be removed without disturbing the module itself. This feature simplifies maintenance and module replacement while preserving field wiring.
Product Specifications
| Parameter | Specification |
|---|---|
| Product Name | 1756-TBCH ControlLogix Terminal Block |
| Manufacturer | Allen-Bradley |
| Series | ControlLogix |
| Terminal Type | Cage-Clamp |
| Pin Configuration | 36 Pin |
| Wire Type – Single Conductor | 22–14 AWG |
| Wire Type – Double Conductor | 22–16 AWG |
| Wiring Method | Front-access cage clamp |
| Connection Technology | Spring pressure clamp |
| Operating Temperature | 0 to 60 °C |
| Mounting Style | Front-mounted removable terminal block |
| Application Compatibility | ControlLogix I/O Modules |
| Insulation Material | Industrial-grade thermoplastic |
| Vibration Resistance | Industrial rated |
| Maintenance Requirement | No retightening required |
| Dimensions | 132 x 54 x 110 mm |
| Weight | 0.118 kg |
Applications
• ControlLogix digital and analog I/O modules requiring high-density 36-pin field wiring connections.
• Factory automation control panels where reliable and vibration-resistant termination is critical.
• OEM machinery installations demanding compact wiring layout and easy maintenance access.
• Process control systems where secure conductor clamping prevents intermittent signal loss.
• Industrial retrofit projects upgrading from screw-type terminals to maintenance-free cage-clamp technology.
• High-vibration environments where spring-clamp pressure maintains stable electrical contact.
• Distributed I/O cabinets requiring removable terminal blocks for fast module replacement.
Advantages
• Cage-Clamp Spring Technology
Provides consistent contact pressure, eliminating loose wiring issues over time.
• 36-Pin High-Density Design
Supports complex I/O configurations within limited panel space.
• Flexible Wire Acceptance
Accommodates 22–14 AWG single wire and 22–16 AWG double wire configurations.
• Tool-Assisted Quick Wiring
Simplifies installation and reduces commissioning time.
• Removable Without Rewiring
Allows module replacement without disconnecting field conductors.
• Stable Operation from 0 to 60 °C
Suitable for standard industrial cabinet environments.
• Reduced Maintenance Effort
No periodic torque checks required compared to screw terminals.
