Ex Power Supply – PR Electronics 5420B

Features

  • 2 channels
  • 5-port 3.75 kVAC galvanic isolation
  • Output voltage > 18 V to I.S. area
  • Active current loop detection
  • Universal supply by AC or DC
Enquiry
Category:

Application

  • Voltage supply with safety barrier for the supply of equipment mounted in hazardous area.
  • Voltage supply with failsafe detection of active current loop from 2-wire transmitters mounted in hazardous area.

Technical characteristics

  • PR5420B has a relay with change-over contacts available in the safe area. When the loop current is within the defined limit, the relay is ON.
  • Supply and outputs are floating and galvanically separated.

Mounting / installation

  • Mounted vertically or horizontally on a DIN rail. Up to 84 channels per meter can be mounted.

Specification

ENVIRONMENTAL CONDITIONS
Operating temperature -20°C to +60°C
Calibration temperature 20…28°C
Relative humidity < 95% RH (non-cond.)
Protection degree IP20
MECHANICAL SPECIFICATIONS
Dimensions (HxWxD) 109 x 23.5 x 130 mm
Weight approx. 215 g
DIN rail type DIN 46277
Wire size 1 x 2.5 mm2 stranded wire
Screw terminal torque 0.5 Nm
COMMON SPECIFICATIONS
Supply
Supply voltage, universal 21.6…253 VAC, 50…60 Hz or 19.2…300 VDC
Max. required power ≤ 4 W (2 channels)
Internal power dissipation ≤ 2 W (2 channels)
Fuse 400 mA SB / 250 VAC
Isolation voltage
Isolation voltage, test / working 3.75 kVAC / 250 VAC
PELV/SELV IEC 61140
EMC immunity influence < ±0.5%
Extended EMC immunity: NAMUR NE21, A criterion, burst < ±1%
OUTPUT SPECIFICATIONS
Relay output
Max. voltage 250 VRMS
Max. current 2 ARMS
Max. AC power 100 VA
Max. load at 24 VDC 1A
Output voltage > 18 VDC at 20 mA
Output current 28 mA per channel (max.)
Relay outputs: On within limit > 3.8…< 20.5 mA
OBSERVED AUTHORITY REQUIREMENTS
EMC 2014/30/EU
LVD 2014/35/EU
EAC TR-CU 020/2011
APPROVALS
ATEX DEMKO 99ATEX126256, II (1) GD [EEx ia] IIC
EAC Ex RU C-DK.HA65.B.00355/19

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PR Electronic 5420B Ex power supply-DpstarGroup

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