Ex power supply

 

5420B

 

  • 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
  1. Overview + -

  2. Technical details + -

  3. Order and delivery + -

  4. Why choose PR + -

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.

Data sheet & Manuals


Data sheet

Manuals

Manuals in Russian

Approvals & Certificates


ATEX certificate

EAC declaration

EAC Ex certificate

Metrology Pattern Approval (MPA), Russia

Supplementary documentation


EU Declaration of Conformity

Safety note


Safety note

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 1 A
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

 

Need support to select the right product for your application?

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Reach out by phone to get in touch with us straight away – or use the contact form or quick quote function to send your RFQ directly from the website. You’ll get a response within 24 hours on normal business days.

 

You can expect to get a confirmed delivery date via email within 2 days after we have received your order.

 

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State-of-the-art manufacturing

State-of-the-art manufacturing

Our 8,500 sqm integrated and automated manufacturing campus in Denmark covers the entire value-chain from design and development to manufacturing. It allows us to design and optimize for testing and manufacturing thereby constantly driving quality up and costs down.

 

Dedicated Presales / Aftersales

Dedicated Presale / Aftersales
Our more than 80 dedicated sales engineers can help specify the right device for your application. Backed by our 9 subsidiaries and more than 40 dedicated partners, we are directly accessible in more than 40 countries around the world.

 

Find a PR location close to you

 

Product reliability

Product reliability
Although we’d always like to be top of mind, we recognize our job is mainly to provide peace of mind. Install & Forget® is our way of saying that once installed, our devices will continue to perform even in the toughest environments. And we are not afraid to back that statement up with commitments.

 

Product deployment

Product deployment
Our devices are intuitive and simple to configure. Once installed they visualize rich diagnostics data, allowing the operator to plan preventative maintenance, maximizing process up-time.

 

 

Smart products

Smart products
Many of our devices are designed to accommodate current and future communication enablers, providing the operator with multifunctional capabilities that extends into the future.

 

Check out our range of communication interfaces

 

Smart products

 

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