Product image is representative; revision or series may vary. Contact us to request a specific version.
1746-P4
The Allen Bradley 1746-P4 is a robust power supply module designed for the SLC 500 series. This module supports a variety of input voltage levels from 85 to 132 volts AC and 170 to 265 volts AC, functioning within a frequency range of 47 to 63 Hz. It is well-suited for demanding environments and rated for Class I Division 2 hazardous locations.
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Technical specifications for 1746-P4
| Manufacturer | Allen Bradley |
|---|---|
| Product Type | Power Supply Module |
| Product Line | SLC 500 |
| Part Number | 1746-P4 |
| GTIN | 10662468409589 |
| Weight | 2.00 lbs (0.91 kg) |
| UPC | 662468409582 |
| Line Voltage | 85-132V AC, 170-265V AC |
| Line Frequency | 47-63 Hz |
| Line Power Requirement | 190 VA at 120V AC, 230 VA at 240V AC |
| Max. Inrush Current | 45 Amps |
| Internal Current Capacity | 10 Amps at 5V DC, 2.88 Amps at 24V DC |
| Fuse | Included |
| Fuse Type | Non-replaceable fuse |
| Wiring | Up to 2 #14 AWG-rated wires per terminal |
| Compatible Hazardous Locations | Class I Division 2 Hazardous Locations |
| Operating Temperature | 0 to 60 degrees Celsius |
| Storage Temperature | -40 to 85 degrees Celsius |
The 1746-P4 power supply module, part of the SLC 500 series produced by Allen Bradley, delivers reliable and efficient performance in a range of applications. This module works with input line voltages of 85-132V AC and 170-265V AC, operating effectively across a frequency spectrum of 47 to 63 Hz.
Ideal for demanding scenarios, the module features a power requirement of 190 VA at 120 volts AC and 230 VA at 240 volts AC, accommodating the energy needs of connected devices. A notable specification includes a max inrush current of 45 amps which ensures stable operation during startup phases. The internal current capacity provides up to 10 amps for 5V DC and 2.88 amps for 24V DC. This flexibility makes it suitable for many control applications within various environments.
The unit contains a non-replaceable fuse for added protection, safeguarding the module from overcurrent situations. Permitted wiring configurations allow for two wires of up to #14 AWG per terminal, enabling straightforward integration into existing setups. The module is also rated for Class I Division 2 hazardous locations, emphasizing its suitability for environments where safety is paramount.
Operating temperatures for the module range from 0 to 60 degrees Celsius, accommodating various ambient conditions, while the unit can be stored in extreme temperatures from -40 to 85 degrees Celsius, enhancing its versatility and resilience in challenging conditions.
| Revision Part # | Also known as | |
|---|---|---|
| 1746-P4 Ser A | 1746-P4/A, Series A, Rev A | |
| Don't see your particular revision? Contact us now. | ||
- 1746-PA
- 1746P4
- 1746PA
- 1747-P4
- 17A6-P4
- 17A6-PA
- 17A6P4
- 17A6PA
- I746-P4
- I746P4
- I7A6-PA
- I7A6PA
Does the 1746-P4 come with a warranty?
Yes, the 1746-P4 includes a free 2-year DO Supply warranty. You can upgrade to a 3-year warranty at checkout for even more protection.
What is the 1746-P4's line voltage?
The 1746-P4's line voltage is 85 to 132 Volts DC or 170 to 250 Volts AC.
What is the 1746-P4's maximum inrush current?
The 1746-P4's maximum inrush current is 45 Amps.
Does the 1746-P4 come with an enclosure?
No, the 1746-P4 comes as open-type equipment.
What is the 1746-P4's operating temperature range?
The 1746-P4's operating temperature range is 0 to 60 degrees Celsius.
Does the 1746-P4 come with a soldering fuse?
Yes, the 1746-P4 comes with a soldering fuse.
What is the 1746-P4's frequency range?
The 1746-P4's frequency range is 47 to 63 Hertz.
The 1747-P4 is capable of 10 A at 5V DC 2.88 A at 24V DC to the backplane. Powered by single phase 85 to 132V AC or 170 to 250V AC at 47 to 63 Hz Attachable to  1746-A4, -A7, -A10, and -A13
1746-P4 Troubleshooting
- Ensure power supply pins are correctly aligned to slide into the rack of the chassis
- Visually inspect the board for damage
- Make sure the power supply is inserted correctly
In this demonstration we will be using the following parts
- 1747-A10
- 1746-P4
- Any card with LED indicators that come on when power is applied (we use the 1747-SDN)
Note: Not all power supplies will read exactly 24V. Refer to documentation for specifications.
Testing
Insert the power supply to the end of the rack
Ensure jumper is in the correct spot before powering on
120 is selected
Apply power
The red power light will come on (at the light bulb symbol)
Check to see that 24V DC is supplied from the DC out
Next we'll see if the power supply is powering the rack :
- Using the 1747-SDN we check that each slot has power
If the rack is still not powering on but the power supply is on, the amperage of the application could be too high and you might need a bigger power supply. This can be calculated, the amperage that is being used in your application could be too high for the power supply to handle.
The following is an example to calculate the total current being drawn:
A 1747-L551 draws 1A at 5VÂ DC A 1746-OV16 requires 0.270 A according to documentation A 1746-P2 supplies 5A at 5vDC to the backplane Checking to see if our power supply can handle the load we would use the following formula:
IT=I1+I2+I3
Using this formula, we can see that since 1A + .27A = 1.27A , the 1746-P2 would handle this load without a problem.
The Allen-Bradley 1746-P4 is a SLC 500 Power Supply. This Power Supply has an Input Voltage of 120/220 Volts AC and an Input Voltage Range of 85-132 or 170-265 Volts AC. It requires an Input Power of 92 Watts while providing an Output Voltage Range of 20.4-27.6 Volts DC.