Technical Specifications Three‑phase current and voltage measurement inputs, multiple digital input channels, multi‑group relay output contacts, P5 communication interface. Supports multi‑channel RTD temperature sensor input. Operating ambient temperature ‑20 ℃ to +65 ℃, storage temperature ‑40 ℃ to +85 ℃, relative humidity 5%‑95% non‑condensing. Front‑panel LCD display and man‑machine operation keypad.
Functional Features Realizes overload, locked‑rotor, phase loss, phase unbalance, ground fault, under‑current and motor jam protection. Monitors motor winding and bearing temperature through RTD sensors. Captures fault snapshot, motor start‑up log and operating trend data. Measures three‑phase electrical parameters. Supports local manual operation and remote control command via industrial communication. Configurable alarm and trip output logic.
Application Scenarios Key motor protection equipment for power plant auxiliary systems, petrochemical plants, mining and heavy‑industry motor control centers.
Performance Parameters High‑accuracy electrical sampling, abundant configurable protection time‑delay curves, large‑capacity historical data storage, stable communication data interaction performance.
Material Composition Flame‑retardant engineering plastic enclosure. Main CPU processing circuit board, analog signal conditioning modules, relay output assemblies. Front‑panel LCD display and keypad parts. Screw‑type field wiring terminal blocks. Metal panel mounting clip accessories.
Structural Characteristics Standard panel‑mount housing. Front panel integrates LCD display, status LED indicators and operation push‑buttons. Rear side gathers CT/PT signal terminals, digital I/O terminals and communication interface terminals. Mounting clips lock relay into cabinet door cut‑out opening.
Installation Requirements Install relay into cabinet panel cut‑out and fasten mounting clips. Complete CT, PT, digital input‑output wiring strictly follow official schematic drawing. Connect communication and RTD cables as required. Power‑on device, configure motor nameplate parameters and protection settings, carry out function verification test.
Usage Notes CT secondary circuit must avoid open‑circuit operation. Shielded cables shall be used for RTD and communication wiring. Protection setting values shall match actual motor specifications.
There are no reviews yet.