- Brand: Kriwan (Kriwan Industrie-Elektronik GmbH)
- Model: INT69 V Trigger Device
- Type: Motor Protection Module / Compressor Thermal Protection Relay
- Part Number: 52A127S24
- Technical Specs:
- Core Application: Thermal overload monitoring for electrical drives, refrigeration compressors (frequently paired with Frascold compressors), and heavy-duty industrial machinery
- Operating Voltage / Mains Power: 230 V AC (±10%), 50/60 Hz
- Power Consumption: 3 VA
- Ambient Temperature Performance Range: -20°C to +60°C
- Measuring Circuit Configuration: Positive Temperature Coefficient (PTC) thermistor loop matching DIN 44081 / DIN 44082 standards
- Sensor Deployment Capacity: 1 to 9 PTC sensors connected in a single series circuit string
- Internal Initial Cold Resistance (R25, total): Max. 1.8 kΩ
- Trip Sizing Resistance (Rtrip): 4.5 kΩ ±20%
- Reset Point Range: 2.75 kΩ ±20%
- Hysteresis Configuration: 1 to 3 K spread profile matching standard nominal response temperatures (NAT)
- Lock-out Safety Feature: Electronic lock-out activated after terminal thermal cut-out
- Reset Interception Options: Break in supply power grid, brief removal of the B1-B2 manual jumper line, or integrated external reset switch deployment
- Switching Output Configuration: 1 potential-free Changeover / SPDT contact configuration operating on the secure closed-circuit protection principle
- Maximum Relay Contact Rating: 250 V AC, max. 5 A, 300 VA inductive load
- Structural Durability Index: Approx. 1 million electrical switching cycles
- Structural Frame Enclosure Matrix: PA6 GF30 glass fiber reinforced plastic matrix housing
- Structural Mounting Format: Snap-fit installation tracking 35mm top-hat DIN rail layout
- Enclosure Protection Class: IP00
Weight: 200 g
Dimensions: 85 x 54 x 65 mm
Country of Origin: Germany
HS Code: 8536.49.00