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RIB Whisperers

Here at Functional Devices our highest priority is your satisfaction. That’s why when you call us with questions, you’ll be speaking with a live, USA-based engineer who not only understands the products you’re working with, but probably helped design them.


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American Recovery and Reinvestment Act (ARRA)

ARRA Certificates are now available upon request. Please call or email us if you would like to receive a certificate.

S.C.C.R. – Short Circuit Current Rating

The SCCR for Functional Devices RIB relays and Power Supplies is 5 kA when used as components in a UL508A panel. Transformers are not required to have a SCCR and may be excluded when determining the overall rating for the panel.

Click here to view relevant excerpts from the UL508A SB4 standard.

OSHPD Seismic Certification Preapproval (OSP)

As of July 19, 2011, all models of our PSH Series (40VA – 500VA) are preapproved (OSP) for OSHPD Seismic Certification. Please click here to view our OSP Certification.

Coil Transient Voltage Suppression

All Functional Devices RIB relays provide Coil Voltage Transient Protection. Please click here to view our statement.

Conflict Minerals Statement

Functional Devices will never knowingly purchase products that contain conflict minerals that directly or indirectly finance or benefit armed groups in the DRC or adjoining countries.