Product Overview
The Allen-Bradley 1746-P2 is a power supply of the SLC 500 series with an input voltage of 120/220V AC. The 1746-P2 is designed to be inserted into an SLC 1746 modular chassis which has varying sizes of 4, 7, 10 or 13 slots to meet the needs of your application and the necessities of the modular hardware component. The 1746-P2 can allow 3 chassis to be interconnected for a maximum interconnection of 30 modular slots. The power supply should be installed in the left-most slot of the chassis assembly. The 1746-P2 also uses a 14 AWG size of wire for every terminal.
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Technical Specifications
| Manufacturer | Allen-Bradley / Rockwell Automation |
| Series | SLC 500 |
| Part Number | 1746-P2 |
| Product Type | Power Supply Module |
| Line Voltage | 85 to 132 Volts AC and 170 to 265 Volts AC |
| Line Frequency | 47 to 63 Hertz |
| Screw Torque | 1 N-m or 8.8 pounds on an inch |
| Fuse | 1746-F2 or equivalent |
| Operating Temperature | 32 to 140 degrees Fahrenheit |
| Standards | UL, C-Tick, C-UL, and CE |
Description
The Allen-Bradley 1746-P2 is an SLC 500 modular power supply. It comes with an input voltage of 85-132 or 170-265V AC at 47-63 Hz. Its internal current capacity at 5V is 5 A and it is 0.96 A at 24V. This power supply also comes with a maximum user-supplied overcurrent protection of 15 A and a maximum inrush current of 20 A. It has a 180 VA typical line power requirement and an input terminal and backplane isolation of 1800V AC RMS for 1 s. User-power current capacity at 24V DC is 200 mA and the user-power voltage range of the power supply, also at 24V DC, is 18-30V DC.
It has a maximum of two AWG wires per terminal. Fuse protection is present with the 1746-P2 power supply but it is limited to guarding against fire hazards due to short-circuit conditions. It comes with an open-type enclosure and can only be installed in a 1746 chassis. The entire power supply measures 5.5 x 2.9 x 5.7 inches and weighs 1.1 kg or 2.5 lbs. Its operating temperature is from 0-60 Deg. Celsius. This power supply module has a jumper terminal that is used to set the input voltage to be applied to the device.
When undervoltage operation happens, the 1746-P2 power supply will continue to power up the SLC 500 controllers for a short period. When the power supply continues to receive input voltage that is lower than the recommended operating range for a period of time longer than the CPU hold-up time, the controllers will turn off. It will only resume operations automatically when the power supply receives the recommended operating input voltage.
For overcurrent conditions, the 1746-P2 Series A and B will undergo a power supply shutdown and CPU fault. The recovery procedure is to reload the user program. For the 1746-P2 Series C, it will have a 24V DC user shutdown but the CPU continues its operation and the recovery procedure is to correct the overcurrent condition.
Applications of the Allen Bradley 1746-P2 Power Supply
The Allen Bradley 1746-P2 power supply is widely used across various industrial automation and control applications. Some of its main uses include:
Manufacturing and Assembly Lines
Provides stable power to PLC-based control systems managing assembly lines, conveyor belts, and robotic automation.
Ensures uninterrupted operation of automated production systems.
Process Control Systems
Used in chemical, pharmaceutical, and food processing industries where precise control over production variables is required.
Ensures reliable operation of monitoring and control devices.
Power Generation and Distribution
Supports automation systems in power plants and substations, ensuring the smooth functioning of turbines, generators, and switchgear.
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We reserve and supply a complete range of industrial automation and control equipment, including the following featured product categories:
- PLC system, servo driver, HMI and display
- CNC system, robotics, general automation
- Motor and encoder, safety automation
- DC drive, drive, variable frequency drive
- Process control, soft start
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