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SKU:1794-PS3
1794-PS3 Allen-Bradley Flex I/O Power Supply 24VDC 3A
Manufacturer: Allen-Bradley
Product No.: 1794-PS3
Product Type: Power Supply
Product Origin: USA
Payment:T/T, Western Union
Weight: 450g
Shipping port: Xiamen
Warranty: 12 months
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Allen-Bradley 1794-PS3 Flex I/O Power Supply
Product Overview
The Allen-Bradley 1794-PS3 is a Flex I/O power supply module providing 24 VDC nominal output at 3 A (horizontal mounting) or 2.8 A (other mountings) with 72 W output power. It accepts 85-264 VAC input (47-63 Hz) and delivers sufficient surge to drive up to 10 adapters. The module features 2500 VDC isolation and 40 A typical inrush current. Weight is 0.45 kg.
Specifications
| Parameter | Value |
|---|---|
| Brand | Allen-Bradley / Rockwell Automation |
| Model | 1794-PS3 |
| Product Family | Flex I/O System |
| Product Type | Flex I/O DC Power Supply Module |
| Input Voltage Range | 85-264 VAC |
| Input Frequency Range | 47-63 Hz |
| Nominal Input Voltage | 120 VAC (1.7 A max) / 230 VAC (1.1 A max) |
| Maximum Input Current | 1.9 A |
| Inrush Current | 40 A Typical, 1 AC Cycle @ 265 VAC, 55 °C |
| Output Voltage | 24 VDC Nominal |
| Output Voltage Range | 20.4-27.6 VDC |
| Output Current (Horizontal) | 3 A |
| Output Current (Other) | 2.8 A |
| Output Power | 72 W |
| Output Surge | Sufficient to Drive 10 Adapters |
| Output Ripple | 1200 mV Peak-to-Peak (±5%) |
| Overcurrent Protection | 3.2 A |
| Overvoltage Protection | 35 VDC |
| Isolation Voltage | 2500 VDC |
| Minimum Load | 50 mA |
| Leakage Current | 0.5 mA RMS Max |
| Power Dissipation | 12 W Max |
| Thermal Dissipation | 41.0 BTU/hr |
| Hold-Up Time | 1/2 Cycle @ 47 Hz, 85 VAC, Max Load |
| Input Power | 86 W |
| Max Apparent Input Power | 205 VA |
| Max Transformer Load | 250 VA |
| Dimensions (H x W x D) | 3.7 x 2.7 x 3.4 in |
| Enclosure Type | Open Style |
| Mounting | DIN Rail or Panel Mount (Horizontal/Vertical) |
| Operating Temperature | 0 to +55 °C |
| Operating Shock | 30g |
| Operating Vibration | 5g @ 10-500 Hz |
| Weight | 0.45 kg |
| UPC | 10612598206626 |
Key Features
- Wide input voltage range 85-264 VAC, 47-63 Hz
- 24 VDC nominal output at 3 A (horizontal) or 2.8 A (other mountings)
- 72 W output power with 1200 mV peak-to-peak ripple
- Output surge sufficient to drive up to 10 adapters
- 2500 VDC isolation between AC input and DC output
- 40 A typical inrush current handling
- 3.2 A overcurrent protection and 35 VDC overvoltage protection
- Hold-up time of 1/2 cycle at 47 Hz, 85 VAC with max load
- DIN rail or panel mount in horizontal or vertical orientation
- 30g operating shock and 5g vibration resistance
Installation Notes
Mount the power supply using DIN rail or panel mount in horizontal or vertical orientation. Horizontal mounting allows 3 A output current, while other orientations support 2.8 A. Connect 85-264 VAC input at 47-63 Hz. The output provides 24 VDC nominal to power Flex I/O modules and adapters. Maintain minimum load of 50 mA. The unit supports up to 10 Flex I/O adapters through its output surge capability. Maintain operating temperature between 0 and +55 °C. Ensure proper isolation between DC output terminals and AC input terminals.
FAQs
Q1: What is the output power of the 1794-PS3?
A1: 72 W with 3 A output current at horizontal mounting or 2.8 A at other mountings.
Q2: How many adapters can this power supply drive?
A2: Output surge is sufficient to drive up to 10 Flex I/O adapters.
Q3: What is the inrush current rating?
A3: 40 A typical for 1 AC cycle at 265 VAC and 55 °C.
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