Product Family

The ABB Triguard SC300E TMR product family gives unrivalled performance in areas of reliability, availability, test coverage,

diagnostics and simplicity of operation. Advances in technology and improved production methods add cost benefits that

give significant price/performance advantages.

• Fewer unscheduled stoppages

highest availability, fault tolerant electronics with transient immunity and 3–2–0 or 3–2–1–0 voting

• Security for plant, product and people

fail-safe operation at all levels provides plant, product and personnel with the highest security

• Quality data

sequence of event and extensive diagnostics keep the operator informed

Highest Availability

The Triguard SC300E achieves the

highest possible TMR availability

(99.999%) by maximising the

Mean Time To Failure (MTTF) and

decreasing the Mean Time To Repair

(MTTR).

Modern low power integrated

technology allows the TMR

architecture to be cost effective for

an increasing range of high integrity

applications.