Products Description
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Allen-Bradley 1756-PAR2K ControlLogix Redundant AC Power Supply Kit – Technical Specifications and FAQ
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Allen-Bradley (Rockwell Automation) |
| Model | 1756-PAR2K |
| Product Type | ControlLogix Redundant AC Power Supply Assembly |
| Function | Provides redundant power to ControlLogix chassis |
| Input Voltage Range | 85–265 V AC |
| Nominal Input Voltage | 120/240 V AC |
| Input Frequency | 47–63 Hz |
| Redundant Configuration | Yes, dual power supply |
| Included Power Supplies | 2 × 1756-PA75R |
| Included Cables | 2 × 1756-CPR2 |
| Included Adapter | 1 × 1756-PSCA2 chassis adapter |
| Output Voltage | 5.1 V DC, 3.3 V DC, 1.2 V DC, 24 V DC |
| Output Current | 5.1 V DC: 13 A; 3.3 V DC: 4 A; 1.2 V DC: 1.5 A; 24 V DC: 2.8 A |
| Rated Output Power | 75 W |
| Power Dissipation | Approx. 80 W at full load |
| Frequency Rating | 47–63 Hz |
| Conformal Coating | Yes |
| Mounting | ControlLogix chassis |
| Operating Temperature | 0 to 60°C |
| Storage Temperature | -40 to 85°C |
| Relative Humidity | 5–95%, non-condensing |
| Dimensions (H × W × D) | Approx. 140 × 112 × 145 mm (complete kit; estimated) |
| Weight | Approx. 0.95 kg (complete kit; estimated) |
| Country of Origin | USA (Rockwell Automation listing; actual manufacturing location may vary) |
| Lifecycle Status | Active |
FAQ
FAQ
Q1: What is the Allen-Bradley 1756-PAR2K used for?
A: It is a redundant AC power supply kit designed to provide reliable power to ControlLogix automation systems.
Q2: What components are included in the 1756-PAR2K kit?
A: The kit consists of two 1756-PA75R power supplies, two 1756-CPR2 connection cables and one 1756-PSCA2 chassis adapter.
Q3: What is the input voltage range of the 1756-PAR2K?
A: It supports an AC input voltage range of 85–265 V AC and a frequency of 47–63 Hz.
Q4: Does the 1756-PAR2K support power redundancy?
A: Yes. It uses two power supplies in a redundant configuration. If one supply fails, the other can continue providing power, helping reduce system downtime.
Q5: Is the 1756-PAR2K conformally coated?
A: Yes. The K suffix identifies the conformally coated version, offering additional protection against environmental contaminants.
Q6: What is the rated output power of the 1756-PAR2K?
A: The kit is rated at 75 W and provides the DC voltages required by compatible ControlLogix chassis modules.
Q7: What are the dimensions and weight of the 1756-PAR2K?
A: The estimated dimensions of the complete kit are 140 × 112 × 145 mm, and the estimated weight is approximately 0.95 kg. Actual packed dimensions and weight may vary.
Q8: Is the 1756-PAR2K still available?
A: Yes. Rockwell Automation lists the 1756-PAR2K as an active product.
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Packing & Delivery
We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.
For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.
Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.
