Temperature protection relay LTMR
SPDTAC/DCDIN rail

temperature protection relay
temperature protection relay
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Characteristics

Measured/monitored value
temperature
Contact configuration
SPDT
Network
AC/DC
Mounting
DIN rail

Description

• Over Temperature detection • Used in conjunction with PTC thermistors to DIN 44081 • Auto-resetting • Isolated Auxiliary Supply • SPDT Relay output • 17.5mm wide, DIN Rail mount The product is used in conjunction with an external PTC thermistor which are typically embedded in motors. It will monitor the resistance of the thermistor and if this increases above the fixed threshold (due to an increase in measured temperature), the relay will de-energise. The resistance must decrease below the “release” threshold before the relay re-energises again. Specification • Monitoring function: Over temperature • Operate resistance: 3100 ohms • Release resistance: 1650 ohms • Aux. supply voltage: 100 – 230VAC/DC • Output: SPDT 5A @ 250V (AC1) • Dimensions (mm): W:17.5 x H:89 x D:66.5

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