Allen-Bradley 1756-A7 ControlLogix 7-Slot Chassis
- Brand
- Allen-Bradley
- Model
- 1756A7
- GEARWELL SKU
- GWP-000002397
- Category
- PLCs & I/O
Key specifications
- Cooling
- Convection
- Module slots
- 7
- Product type
- ControlLogix 7-slot chassis
- Mounting method
- Horizontal back-panel mounting only
- Manufacturer lifecycle status
- Active (checked 2026-10-07)
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← Back to productsProduct overview
The Allen-Bradley 1756-A7 is a ControlLogix chassis from Rockwell's ControlLogix 1756 range. It has 7 slots, a maximum power dissipation of 4.5 W and weighs about 1.10 kg; the minimum cabinet size is 50.8 x 61.0 x 20.3 cm (H x W x D). The backplane carries up to 15 A at 5.1 V DC (6 A per slot), 4 A at 3.3 V DC, 1.5 A at 1.2 V DC and 2.8 A at 24 V DC and gives a high-speed communication path between modules; any module fits any slot. The chassis is for horizontal back-panel mounting only, and the power supply mounts on its left side.
Technical reference
| Product name | Allen-Bradley 1756-A7 ControlLogix 7-Slot Chassis |
|---|---|
| Brand | Allen-Bradley |
| Model | 1756A7 |
| Category | PLCs & I/O |
| Cooling | Convection |
| Module slots | 7 |
| Product type | ControlLogix 7-slot chassis |
| Mounting method | Horizontal back-panel mounting only |
| Manufacturer lifecycle status | Active (checked 2026-10-07) |
| Approximate chassis weight | 1.10 kg |
| Backplane function | Provides module communication and power distribution |
| Backplane current at 5.1 V DC | 15 A chassis maximum; 6 A per slot maximum |
| Operating temperature by series | Series B: 0-60 deg C; Series C: -25 to +60 deg C |
| Minimum cabinet size (H x W x D) | 50.8 x 61.0 x 20.3 cm (20 x 24 x 8 in.); observe installation clearances |
| Maximum chassis power dissipation | 4.5 W |
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