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Description
1797-PS2N2 Flex Ex Power supply module
Product Description
The 1797-PS2N2 is an Allen-Bradley Flex Ex Power supply module. This module is a quad-Ex dc out power supply, within an explosion-proof enclosure, installed with a One (1) inch. Pipe-thread input and output terminators.
This module has Four (4) output power channels with each output capable of providing 8.5 Watts of power. It also has dual power feeds for source input redundancy. The outputs of this power supply module galvanically isolated from the source and channels are independently IS limited.
The 1797-PS2N2 has is rated for installation in application areas that are Class I Division 1 Groups A, B, C, D Class II Division 1 Groups E, F, G Class III (only UL/cUL) Class I Division 1 Groups B-D T4 (only FM). It has IS output type of Class I Division 1 Groups A, B, C, D Class II Division 1 Groups E, F, G Class III (only UL/cUL) Class I Division 1 Groups B-D T4 Class I Zone 1 AEx[ib] IIC (only FM).
1797-PS2N2
Product parameter
| Manufacturer | Rockwell Automation |
| Thermal Dissipation | 21 W Thermal dissipation 71.67 BTU/hr |
| Conductors wire size: | 4 mm sq. (12 gauge) max wire rated for 100 °C (212 °F) or higher 1.2 mm (3/64 in.) insulation max |
| Inset voltage range: | 19…32V dc |
| Output connectors: | Terminals 10…17 |
| Input power entrance: | 1 in. NPT, 6 in. conduit allowed between power supply and seal (UL and C-UL) 1 in. NPT, 0 in. conduit allowed between power supply and seal (FM) |
| Product Description: | Flex Ex Power supply |
| Brand | Allen-Bradley |
| Input Power | 55 W |
| Power Dissipation | 21 W |
Application field
The 1797-PS2N2 has an output voltage range of 19-32VDC with current consumption of 3.1A and ripple of 5% AC. This module has power dissipation of 21W and thermal dissipation of 71.67 BTU/hr. When making wired connection to the power supply module, recommended wire size is 4 mm sq. (12 gauge) stranded or solid wire with insulation rating of 100 °C (212 °F) or higher and insulation thickness not more than 1.2 mm (3/64 in.) This module has a protection class of IP 66/NEMA 7B. This module weighs 7.3 kg (16 lb).
The system must be planned as per the number of inputs and outputs and the number of power supplies that are required can be decided accordingly. The 1797-PS2N2 is sensitive to electrostatic discharge and must be protected from it at all times. It is recommended to place a safety sign near the device to prevent any person from touching the device because static can damage the components inside them. To install the power supply module, follow the instructions provided by the manufacturer in the installation manual. Users need to make the connections as specified by the manufacturer. The mounting of the 1797-PS2N2 module must be done in accordance with the mounting dimension requirements. Users need to wait for approximately 15 minutes before opening the covers of the device after turning off the power supply. This is required to allow the capacitors to discharge completely and ensure the users do not get an electric shock.
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