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- Allen Bradley
- 1746-P1
- PLC Module/Rack
- USA
- 140 × 90 × 135 mm
- 0.85kg
- Xiamen, China
- New & In Stock
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Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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Allen-Bradley 1746-P1 Power Supply Module – Detailed Technical Overview
1. Product Overview
The Allen-Bradley 1746-P1 is a power supply module designed for the SLC 500 PLC system. It provides regulated DC power to the SLC 500 backplane and all installed I/O and processor modules within the chassis.
This module is responsible for converting AC input power into stable DC power required for PLC operation, ensuring continuous and reliable system performance in industrial automation environments.
The 1746-P1 is widely used in small to medium SLC 500 racks where moderate power capacity is required.
2. Brand Information
- Brand: Allen-Bradley
- Industry: Industrial automation and control systems
- Product Type: PLC power supply module
The brand is known for robust industrial power and control components used in manufacturing, process automation, and machinery control systems.
3. Product Series
- Series: SLC 500
- Category: Power supply module
- Type: AC-to-DC rack power supply
The SLC 500 system uses modular architecture. The 1746-P1 supplies all internal modules through the backplane power distribution system.
4. Technical Parameters
Core Specifications Table
| Parameter | Value |
|---|---|
| Model | 1746-P1 |
| Module Type | PLC Power Supply |
| Series | SLC 500 |
| Input Voltage | 85–132 VAC / 170–265 VAC (auto-range depending version) |
| Input Frequency | 47–63 Hz |
| Output Power | ~60 Watts |
| Backplane Output | 5V DC & 24V DC logic power |
| 5V DC Output Current | ~2.0 A |
| 24V DC Output Current | ~0.8 A |
| Efficiency | ~75–85% |
| Protection | Overvoltage / Overcurrent / Thermal shutdown |
| Isolation Voltage | 1500 V AC |
| Inrush Current | ≤30 A (typical) |
| Hold-up Time | ~20 ms |
| Cooling Method | Natural convection |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Relative Humidity | 5–95% non-condensing |
| Dimensions (mm) | 140 × 90 × 135 |
| Weight (kg) | ~0.65 – 0.85 kg |
5. Product Functions and Applications
Functional Description
- Converts AC input power into regulated DC output
- Supplies power to SLC 500 PLC backplane
- Supports CPU, I/O modules, and communication modules
- Provides overload and thermal protection
- Ensures stable voltage supply for industrial automation systems
Typical Applications
- Industrial PLC control cabinets
- Manufacturing automation systems
- Conveyor and production line control
- Packaging machinery systems
- Process control systems
- Machine-level automation power distribution
6. Product Advantages
1. Stable Industrial Power Supply
Provides consistent DC voltage for PLC modules under varying loads.
2. Built-in Protection Functions
Includes overload, short-circuit, and thermal protection.
3. Compact Rack Integration
Designed for direct installation into SLC 500 chassis systems.
4. High Reliability
Built for continuous operation in industrial environments.
5. Easy Maintenance
Modular replacement reduces system downtime during servicing.
7. Recommended Models (Same Series or Related)
SLC 500 Series Related Modules
| Model | Type | Function | Output Power | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 1746-P2 | Power Supply | Higher capacity PSU | ~120 W | 140 × 90 × 135 | 0.95 |
| 1746-P3 | Power Supply | High capacity PSU | ~150 W | 140 × 90 × 135 | 1.05 |
| 1746-A4 | Chassis | 4-slot rack | — | 290 × 150 × 140 | 1.20 |
| 1746-A7 | Chassis | 7-slot rack | — | 350 × 150 × 140 | 1.60 |
| 1746-A10 | Chassis | 10-slot rack | — | 430 × 150 × 140 | 2.10 |
8. Recommended Popular Models (Same Brand)
Popular Automation Modules
| Model | Type | Function | Voltage | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 1756-L73 | Controller | PLC CPU | 5V DC | 150 × 140 × 130 | 0.36 |
| 1769-L36ERM | Compact Controller | PLC CPU | 24V DC | 120 × 90 × 70 | 0.30 |
| 1756-EN2T | Ethernet Module | Communication | 5V DC | 150 × 140 × 130 | 0.32 |
| 1734-IE8C | Analog Input | Signal acquisition | 24V DC | 75 × 12 × 60 | 0.16 |
| 1769-OF8C | Analog Output | Signal output | 0–10 V DC | 118 × 87 × 35 | 0.30 |