Electromechanical and semiconductor relays

Safety relays

Relays with forcibly-guided contacts according to EN 61810-3; broad line-up from 2-pole to 8-pole types.
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Best performance for all kinds of safety applications

Relays with forcibly-guided contacts simplify the design of reliable safety circuits for applications including emergency stop switches, safety controls & PLCs, elevator/escalator control, robots and railway signaling.

Discover the latest developments in SF relays

SFM relay
Safety relay

SFM super flat safety relay

With a height of only 7.8mm, the SFM is the world’s lowest profile relay with forcibly-guided contacts (EN 61810-3). Reflow soldering capability.
SFS relay
Safety relay

SFS series: narrow width

Thanks to a slim design, SFS devices require little PCB space. A broad line-up of contact types including 2a2b, 3a1b, 3a3b, 4a2b and 5a1b is offered.
SFY relay
Safety relay

SFY series: low profile

These high power, low profile devices suit safety and control applications. Broad line-up of contact types includes 2a2b, 3a1b, 4a2b and 5a1b styles.
SFN4D 6pole safety relay
SAFETY RELAY

SFN4D series: 6 pole

≤8A safety relay with 4a2b contact configuration. Very long lifetime at AC15 and DC13 loads
SF2D 4pole safety relay
Safety Relay

SF2D series: 4 pole

≤8A safety relay with 2a2b contact configuration. Long lifetime and excellent low level load capability.
SF4D 8pole safety relay
SAFETY RELAY

SF4D series: 8 pole

≤8A safety relay with 4a2b contact configuration. Very long lifetime at AC15 and DC13 loads.
SF3 4pole safety relay
SAFETY RELAY

SF3 series: 4 pole

≤8A safety relay with 3a1b contact configuration.
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Downloads

Name File type Size Date Language
PDF Cautions for use - application in circuits Relay 96KB English
PDF Cautions for use - relay terminology Relay 53KB English
PDF Cautions for use - general application guideline Relay 367KB English
PDF Cautions for use - soldering & cleaning Relay 59KB English
PDF Cautions for use - SMT soldering guideline Relay 65KB English
PDF Cautions for use - reliability Relay 41KB English
PDF Short Form Relay Catalog, Shortform 5MB 04.03.2021 English

More information

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Discontinued relays

Discontinued relays / not for new application.