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STB 55 Safety Temperature Limiter
SIL 2 and DIN EN 14597 certified for safety‑critical applications
Pt100 and thermocouple input options
Safety relay with separate pre‑alarm relay
Optional analog output for monitoring or control
Graphic LCD with plain‑text fault indication
Password protection and external reset input
The STB55 Safety Temperature Limiter provides reliable protection for industrial thermal systems. Certified to DIN EN 14597 and SIL 2, it monitors temperatures using Pt100 sensors or thermocouples and shuts down equipment immediately when unsafe conditions occur. The graphic display presents clear fault messages, while configurable relay and analog outputs support flexible system design and integration.