Electromechanical and semiconductor relays panasonic industry

SFM super-low profile safety relay

With a height of only 7.8mm, the SFM is the world’s lowest profile relay with forcibly-guided contacts according to EN 61810-3. Reflow soldering capability enables a new era of production efficiency.
SFM relay hero

Miniaturization for all safety applications

With a height of only 7.8mm, SFM is the world’s lowest profile relay with forcibly-guided contacts according to EN 61810-3. In addition, the 1a1b relay is available as a reflow (THR) version, contributing to a simplified and cost-efficient production process. SFM series can be used to miniaturize all kinds of safety applications, from railway signaling boards with a focus on low level loads to high power safety relays or safety controls.

Key Features

  • 1NO/1NC relay with forcibly-guided contacts according to EN 61810-3
  • Extremely low height of 7.8mm
  • Rating 6A (NO), 4A (NC) @ 250VAC, 30VDC
  • 100mW coil holding power
  • High shock resistance >20g
  • THT & THR types available
  • Reinforced insulation ≥ 5.5mm (V=230V over-voltage category III, 6kV) on NO side
  • Coil voltage from 3 to 24V
  • Ambient temperature -40 to +85°C
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Industrial automation

Application industrial automation Panasonic Industry
  • Safety relay modules
  • Safety controllers
  • Safe motion control

Building automation

SFM safety relay buiding automation Panasonic Industry
  • Elevator control
  • Escalator control
  • Access control


Application transportation train Panasonic Industry
  • Railway signaling
  • Train door control
  • Station access control


Name File Type Size Date Language
https://mediap.industry.panasonic.eu/assets/imported/www.panasonic-electric-works.com/eu-asset/images/relays/thumbnail_sfm.gif 544.1 KB 18.11.2022 English
PDF Data sheet SFM relay Data sheet 338.3 KB 01.04.2022 English
PDF Die Farben der Wahrscheinlichkeit - Relais und funktionale Sicherheit; Markus Bichler; Elektronik Informationen 12/2014; S. 16-18 Press, Press article 164.1 KB 16.12.2014 German
PDF Die Superhelden in der Sicherheitstechnik; Markus Bichler; ELEKTRONIKPRAXIS Elektromechanik Juni 2015; S. 11-13 Press, Press article 278.9 KB 30.06.2015 German
PDF Ein Öko-optimiertes Relais darf keinen Cent mehr kosten!, Hagen Herbsleb, TECHNIK + TRENDS, Mai 2013 Press, Press article 5.5 MB 01.05.2013 German
PDF Fighting card SFM relay Flyer 271.4 KB 20.01.2022 English
PDF Gemeinsam zusammenarbeiten zum Vorteil für die Kunden; Elektronikpraxis 01/2014; S. 52, 53 Press, Press article 309.3 KB 16.01.2014 German
PDF Im Einsatz auf der Leiterplatte - Relais mit zwangsgeführten Kontakten schützen bei Fehlfunktion und Defekten; Markus Bichler; EL-info April 2014; S. 30-34 Press, Press article 5.6 MB 09.04.2014 German
PDF Im Einsatz auf der Leiterplatte, Markus Bichler, Elektronik 22/2012 Press, Press article 1.6 MB 01.11.2012 German
PDF Intelligente Relais sind noch Zukunftsmusik, Relais Forum 2014, Markt & Technik, S. 20-23 Press, Press article 319.4 KB 01.03.2014 German
PDF Relay Technical Information Data sheet, Technical information 3 MB 09.11.2012 English
PDF Technische Relaisinformationen Data sheet, Technical information 3.2 MB 09.11.2012 German
PDF Thema des Monats: Sie bleiben beide - Seite an Seite; Markus Bichler; elektrotechnik 3/2015; S. 30-32 Press, Press article 224.3 KB 01.04.2015 German
PDF Weniger Spulenverluste, Hagen Herbsleb, Design & Elektronik 10/2012 Press, Press article 6.4 MB 01.10.2012 German