S+S Frost protection thermostat - FST-5D-HR

Introducing the S+S Frost Protection Thermostat - FST-5D-HR

Designed by S+S Regeltechnik GmbH, the S+S Frost Protection Thermostat - FST-5D-HR is a mechanical frost protection thermostat/frost guard THERMASREG® FST with a switching output. It features a fully active sensing rod, automatic reset, or mechanical lockout with manual reset, available in different capillary lengths for various applications.

Key Features and Benefits

• Suitable for air-side or water-side temperature monitoring of heat exchangers, water circulation systems, and heating registers to prevent freezing and frost damage.
• Inherently safe design with sensor breakage detection for added reliability.
• Automatically switches to heating function if the capillary tube membrane system is damaged.
• Can also monitor liquids and be installed in a immersion sleeve for versatile usage.
• Comes with mounting bracket MK-05-K for easy installation.

Technical Specifications

• Switching Capacity: 10 (2) A, AC 250 V.
• Gold-plated contacts allow for switching of signaling voltages < 24 V.
• Switching Differential: 2 ± 1 K (3.6 ± 1.8 °F).
• Housing: UV-resistant plastic, Polyamide material, with quick release screws, and traffic white color.
• Dimensions: 126 x 90 x 50 mm (Tyr 2).
• Function: Temperature limiter with manual reset.
• Sensor Rod Length: 3.0 m. Capillary Tube Length: 3.0 m.
• Cable Gland: M 16 x 1.5 with strain relief.
• Process Connection: using mounting brackets MK-05-K (included).
• Protection Rating: IP 65 (according to EN 60529). EAN: 4251325608860.