The GIC MJA3BK is a dual-output thermistor relay designed to detect overtemperature via PTC sensors. It supports 24V AC/DC control systems and offers selectable reset modes in a compact DIN rail format.
🔧 Technical Highlights:
- Supply Voltage: 85–270 VAC/DC or 24 VAC/DC (model specific)
- Functions: Monitors PTC thermistor sensor for motor protection against over-temperature; can include single phasing prevention
- Timing Range: Trip delay adjustable (model specific)
- Output Contacts: 1 C/O
- Contact Rating: 5A @ 250 VAC / 28 VDC
- Self-reset or manual reset
- DIN rail mounting
✅ Benefits:
- Dual outputs allow for shutdown and alarm signal
- Reliable thermal protection for motors or transformers
- Supports modern safety circuit design standards
🚀 Applications:
- Motor winding temperature detection
- Overtemperature shutoff and alert logic
- Compact control panels and safety cabinets
The MJA3BK ensures safe, dual-channel thermal protection in 24V industrial environments.
FAQs
- Q: How is this product typically installed?
A: It is intended for DIN rail, 22.5 mm width in industrial control cabinets.
- Q: Where is it commonly used?
A: It is used in automation and control panels where dependable switching, monitoring, or indication is required.