The GIC MJ81BK is a thermistor relay designed for monitoring PTC sensors in motor windings. It provides single output protection against overheating, with selectable reset modes and compact DIN rail installation.
🔧 Technical Highlights:
- Supply Voltage: 24V AC/DC
- PTC Input: Supports standard PTC thermistor chains
- Function: Thermistor-based temperature monitoring
- Relay Output: 1 C/O contact
- Reset Modes: Auto, Manual, Remote
- Trip Temperature: As defined by PTC thermistor (130°C typical)
- Trip/Reset Delay: ON delay <350 ms, OFF delay 150 ms
- Mounting: DIN rail (17.5 mm)
✅ Benefits:
- Protects motors from thermal damage
- Versatile reset configuration for different safety needs
- Compact profile ideal for OEM panel designs
🚀 Applications:
- Motor overload protection systems
- HVAC and pump control units
- Industrial temperature safety interlocks
The MJ81BK delivers reliable PTC-based thermal protection with a compact footprint.