Electronics Technology


Surge protection device with RFI suppression filter

16 November 2005 Electronics Technology

Phoenix Contact SFP 1-20/120AC surge protection device combines surge protection with a protection circuit against high frequency interference. The robust housing is DIN-rail mountable and can be retrofitted to existing power supplies.

The protection unit is specially conceived for the requirements of the American and Asian markets. It is rated for a maximum nominal current of 20 A and a nominal voltage of up to 120 V a.c. The integrated varistors are thermally monitored. If the protection circuitry is overloaded as a result of too frequent or too excessive demands, the varistors are safely cut off from the mains supply. In this case an indicator lamp on the front of the housing signals the overload status. For remote monitoring, a changeover contact with floating earth is integrated into the protection unit.

The arrester protection circuit meets the requirements of UL 1449 ED.2 according to IEEE, and the filter circuit meets the requirements of UL 1283.



Credit(s)



Share this article:
Share via emailShare via LinkedInPrint this page

Further reading:

New connector for Push-X technology
Phoenix Contact Interconnection
Phoenix Contact is extending the series of PCB connectors with innovative Push-X technology to include a new connector for conductor cross-sections up to 2,5 mm2.

Read more...
Safe connection under load
Phoenix Contact Interconnection
The ArcZero DC connectors from Phoenix Contact can be safely connected and disconnected under load, providing operators with reliable protection against hazardous electric arcs.

Read more...
Tuning knobs in modern designs
Phoenix Contact Switches, Relays & Keypads
Teaser: OKW’s latest tuning knobs, include optional LED illumination, flush-fitting installation, and a main body which is slightly inclined towards the internal axis.

Read more...
Connectors for energy storage systems
Phoenix Contact Interconnection
The new Phoenix Contact BPC series connectors are protected against polarity reversal making them ideally suited for use in energy storage systems.

Read more...
140 W USB-C PD reference design
Altron Arrow Electronics Technology
The design has a wide input range of 90 to 264 V AC, 50-60 Hz, and supports an output voltage range of 5 to 28 V (USB-PD 3.1 specification).

Read more...
M12 connectors with push-pull fast locking
Phoenix Contact Interconnection
Phoenix Contact’s push-pull fast-locking system, and the Push-Lock conductor connection, make assembly and installation effortless and reliable.

Read more...
PCB connectors for power systems
Phoenix Contact Passive Components
With the new PC 6 PCB connectors with screw connection, Phoenix Contact’s classic connection technology is available with enhanced touch protection for the new pin connector pattern.

Read more...
SPE connector range
Phoenix Contact Passive Components
Single Pair Ethernet (SPE) is a communication technology that realises Industry 4.0 and IIoT applications, and Phoenix Contact’s Combicon range are ideal for SPE connections.

Read more...
Nanometre-precision piezo actuators
RS South Africa Electronics Technology
TDK Corporation has announced two new piezo actuators that are characterised by a wide dynamic range, a high force-to-volume ratio, but with precision in the nanometre range.

Read more...
Webinar: The evolving electrification of the power distribution system
Infineon Technologies Electronics Technology
New connected car functionality, along with the necessity to reduce the cost, weight and complexity associated with wire harnesses, has led to the transformation of the power distribution system in automotive engineering.

Read more...









While every effort has been made to ensure the accuracy of the information contained herein, the publisher and its agents cannot be held responsible for any errors contained, or any loss incurred as a result. Articles published do not necessarily reflect the views of the publishers. The editor reserves the right to alter or cut copy. Articles submitted are deemed to have been cleared for publication. Advertisements and company contact details are published as provided by the advertiser. Technews Publishing (Pty) Ltd cannot be held responsible for the accuracy or veracity of supplied material.




© Technews Publishing (Pty) Ltd | All Rights Reserved