The CM-MSS.41S belongs to the CM-MSS thermistor motor protection relay range. It operates with a rated control supply voltage of 24 - 240 V AC / DC and has a 2 c/o (SPDT) output with contacts rated at 250 V / 4 A. It features one sensor circuit to monitor PTC temperature sensors and works according to the closed-circuit principle.

TeSys LT3 - Thermistor protection relays - Monitors the temperature of machines to be protected via PTC thermistor probes LT3-SE: with automatic reset LT3-SA: with automatic reset; voltage fault indicator light incorporated LT3-SM: with manual reset; voltage fault

Thermistor protection relays provide additional motor protection and should be used to supplement a conventional current sensing overload relay. Range of most commonly used PTC thermistor probes: from 90 to 160 C, in steps of 10 C. Curve R = f (θ The choice

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Buy Schneider Electric Thermistor Protection Unit - 1NO + 1NC, 100 VA, 24 → 230 Vac/dc, TeSys LT3SA00MW. Browse our latest Contactor Overload Relays offers. Free Next Day

There are three PTC thermistors connected in series in single motor. Maximum measuring temperature and voltage for PTC thermistor are 150 degree and 2.5Vdc. In that case can I use LT3SM00M Schneider thermistor motor protection relay for tripping the motor. As per datasheet, voltage at terminals in the thermistor circuit:

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Schneider Telemecanique LT3SE00F, Thermistor Motor Protection Relay, 1 x C/O, 110V AC. Buy online from TLA Electrical Distributors. UK Schneider stockists.

PTC probe relay TeSys - LT3 with automatic reset - 230 V - 1 NC - LT3SE00M · range of product : LT3 · device short name : LT3SE · product or component type : 

The thermistor motor protection relay measures the resistance of the PTC sensors which reflects the internal motor temperature permanently. If the temperature in the motor windings rises excessively and reaches the nominal response temperature (NRT), the thermistor motor protection relay detects this situation and the output relay switches off.

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