MSR220KA-AC-DC24V - PTC Thermistor Relay - T228130

PTC-relay for the application as a protection device against inadmissible heating up at electrical equipment in areas with explosive gases (zones 1 and 2) and areas with combustible dust (21 and 22), e.g. for direct temperature-monitoring of explosion-proof motors EEx e and EEx d. Vertically arranged terminals. Each terminal remains accessible even if all others are already occupied.

Changes from T222471 to T228130: Version with spring terminals RoHS/REACH compliant
Changes from T222476 to T228138: Version with spring terminals RoHS/REACH compliant
Changes from T222475 to T228134: Version with spring terminals RoHS/REACH compliant

Further information can be found in our customer information: "New terminals for K-type devices"

Features

• ATEX approval according to directive 2014/34/EU
• SIL 1 according to IEC 61508
• PL c according to ISO 13849
• 1 PTC-resistor (thermistor) set, each 3 or 6 PTC-sensors
• short-circuit monitoring of sensor-circuit
• output-relay with 1 or 2 change-over contacts (co)
• electronic reclosing lock (disconnectable)
• integrated RESET-button
• link for external reset
• automatic reset at voltage recovery
• RESET-Button with integrated LEDs for power-ON (green) and ALARM (red)
• K-housing, vertically arranged terminals housing 22.5 mm wide
• assembly on DIN-rail or with 2 screws M4 (option)
• UL Recognized Component
• Option: other supply voltages