Manufacturer: Allen-Bradley
Product No.: 1746-A4
Country of origin:United States
Product Type: PLC Expansion Chassis
Payment: T/T, Western Union
Weight: 900g
Dimensions: 19.5 x 14.0 x 14.5 cm
Shipping port: Xiamen
Warranty: 12 months
The Allen-Bradley 1746-A4 is a 4-slot modular expansion chassis designed for the Allen-Bradley SLC 500 programmable logic controller (PLC) system. This hardware rack provides the mechanical housing and electrical backplane necessary to support and interconnect up to four I/O or communication modules. Acting as an expansion or local standalone rack, the 1746-A4 facilitates scalable system architectures by allowing controllers to interface with a greater distribution of discrete, analog, and specialty modules.
The chassis features an integrated backplane that distributes power and communication signals between the mounted modules and the processor or adapter. It accommodates a dedicated power supply unit mounted on the far-left slot, supplying regulated voltages to the backplane bus. The rugged extruded aluminum backplane frame includes built-in mounting tabs for secure panel installation within industrial enclosures, ensuring reliable physical and electrical grounding in high-vibration manufacturing environments.
| Parameter | Specification |
|---|---|
| Brand | Allen-Bradley |
| Product Family | SLC 500 |
| Catalog Number | 1746-A4 |
| Module Type | 4-Slot Expansion Chassis / Rack |
| Backplane Current Capacity (5.1 VDC) | 10.0 A |
| Backplane Current Capacity (24 VDC) | 2.88 A |
| Slot Capacity | 4 I/O Slots |
| Mounting Type | Panel Mount (screws) |
| Operating Temperature | 0 to 60 degC (32 to 140 degF) |
| Storage Temperature | -40 to 85 degC (-40 to 185 degF) |
| Relative Humidity | 5 to 95 percent (non-condensing) |
| Country of Origin | United States |
Global Express Shipping
Returns & Warranty
| Product Image | Model Number / Title | Condition | Availability | Action |
|---|---|---|---|---|
|
Allen-Bradley 1746-IO8 SLC 500 Combination Input and Output Module | Original New | In Stock | View Details |
|
Allen-Bradley 1746-BAS SLC 500 BASIC Module | Original New | In Stock | View Details |
|
Allen-Bradley 1746-P4 SLC 500 Power Supply | Original New | In Stock | View Details |
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
United States
|
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