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MicroSensor PD140 Lightning Protection Device for 4-20mA and RS485 Transmitters

MicroSensor PD140 Lightning Protection Device for 4-20mA and RS485 Transmitters

$288.00

SKU: N/A Categories: , Brand:

Description

Datasheet: MicroSensor PD140

 

Code Description

 

Buy online for small quantities. For large quantities, projects and repeat business send a quotation request to: sales@birkettcontrols.com.au

 

The PD140 is a self-resetting lightning-proof protection device developed specifically for transmitters used in outdoor measurement applications. Lightning strike is the primary cause of level transmitter failure in outdoor installations, and the PD140 addresses this through internal protection components that reduce transmitter damage probability from lightning, inductive switching and static discharge.

 

The device provides both common mode (wire to wire) and differential mode (wire to earth) protection across 4–20 mA current loop and RS485 signal channels simultaneously, and its self-resetting design means no manual intervention is required following a transient event.

 

To order a configuration not included in the above list or for application advice, send your request to: sales@birkettcontrols.com.au or contact us for more information on 02 9560 8593.

 

Typical Application Areas:

 

Protection of 4-20mA or Modbus (RS485) transmitters in areas where there is susceptibility to surges from lightning. Typically in rural areas for level and pressure transmitters.

Additional information

Signal Channels:

4–20 mA current loop and RS485
Max. Surge Current:

≥10 kA (4–20 mA channel, 8/20 µs wave); ≥5 kA (RS485, 8/20 µs wave)
Self-Resetting:

Yes
Protection Modes:

Common mode (wire to wire) and differential mode (wire to earth)
Limited Voltage:

4–20 mA channel — 28 V (wire to earth), 28 V (wire to wire); RS485 — −7 V to 12 V (wire to earth), 6.5 V (wire to wire)
Max. Working Current:

4–20 mA channel < 40 mA; RS485 channel < 120 mA
Voltage Drop:

< 2 Vdc at 20 mA / 25°C; < 6 Vdc at 80°C
Operating Temperature:

−40 to 80°C
Protection:

IP65
Installation:

3-bolt fixing or DIN rail mount
Dimensions:

108 × 85 × 42.5 mm

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