1746-A13 Allen-Bradley SLC 500 PLC Chassis
13-Slot Modular Rack | Series B | New Factory Sealed
The Allen-Bradley 1746-A13 Series B is a high-capacity 13-slot PLC chassis designed for SLC 500 automation systems. It provides a stable mechanical and electrical platform for installing power supplies, processors, and I/O modules, enabling flexible system expansion for medium to large industrial control applications.
This chassis ensures secure backplane communication between modules, supporting fast data exchange, high reliability, and long-term continuous operation in harsh factory environments.
Key features of Allen-Bradley 1746-A13 13-slot chassis:
●13 backplane slots for SLC 5oo I/O modules (various analog, digital, and specialty modules are available).
●Back-panel mounted design for installation within a control cabinet.
●Supports communication with the SLC 50o CPU (Central Processing Unit) through the chassis backplane.
Technical specifications for 1746-A13
| Attribute |
Specification |
| Manufacturer |
Allen Bradley |
| Category |
PLCs |
| Product Line |
SLC 500 |
| Part Number |
1746-A13 |
| UPC |
662468415347 |
| Weight |
4.06 lbs (1.84 kg) |
| Mounting |
Panel Mount |
| Module Type |
Chassis |
| No. of Slots |
Thirteen (13) slots |
| Backplane Current |
5.1 V DC @ 10 A; 24 V DC @ 2.88 A |
| Physical Dimensions |
50.2 × 17.1 × 14.5 cm (20.1 × 6.8 × 5.8 in) |
| No. of Mounting Tabs |
Eight (8) |
| Operating Temperature |
0 °C to +60 °C (32 °F to 140 °F) |
| Storage Temperature |
−40 °C to +85 °C (−40 °F to 185 °F) |
| Relative Humidity |
5% to 95% (without condensation) |
| Mounting Clearance |
Top: >15.3 cm (6.0 in); Side: >10.2 cm (4.0 in) |
| Hardware Type |
I/O Chassis |
| Slots |
13 |
Application Industries
-
Automotive assembly lines
-
Packaging and material handling systems
-
Water & wastewater treatment plants
-
Power distribution and substations
-
Food & beverage production lines
-
Machine automation control cabinets
Allen-Bradley SLC 500 Chassis Comparison
1746-A7 vs 1746-A10 vs 1746-A13
| Parameter |
1746-A7 |
1746-A10 |
1746-A13 |
| Product Type |
PLC Chassis / Backplane Rack |
PLC Chassis / Backplane Rack |
PLC Chassis / Backplane Rack |
| PLC Platform |
SLC 500 |
SLC 500 |
SLC 500 |
| Available Slots |
7 Slots |
10 Slots |
13 Slots |
| System Size |
Small systems |
Medium systems |
Large systems |
| Supported Modules |
Power Supply, CPU, Digital & Analog I/O, Communication |
Same |
Same |
| Expansion Capacity |
Low |
Medium |
High |
| Mounting Method |
Panel Mount |
Panel Mount |
Panel Mount |
| Backplane Bus |
High-speed parallel backplane |
High-speed parallel backplane |
High-speed parallel backplane |
| Electrical Isolation |
Yes |
Yes |
Yes |
| Operating Temperature |
0 to 60°C |
0 to 60°C |
0 to 60°C |
| Storage Temperature |
-40 to 85°C |
-40 to 85°C |
-40 to 85°C |
| Relative Humidity |
5–95% (non-condensing) |
5–95% (non-condensing) |
5–95% (non-condensing) |
| Typical Applications |
Stand-alone machines, small control panels |
Production lines, cell control |
Main control cabinets, large production lines |
| Key Advantage |
Compact and space-saving |
Balanced capacity and size |
Maximum slots, highest scalability |
Selection Guide
-
1746-A7 – Best for compact machines with limited I/O
-
1746-A10 – Ideal for standard production systems
-
1746-A13 – Designed for large automation systems requiring maximum expansion
Why Choose 1746-A13?
-
Large slot capacity for complex control systems
-
Rockwell-certified backplane reliability
-
Seamless compatibility with all SLC 500 modules
-
Long service life for industrial automation retrofits
-
Perfect for system upgrades or spare parts stock
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