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ABB 1MRK002247-APR04｜ Industrial Control Relay Module｜
1MRK002122-ABR00
1. Analog input (AI)
Three phase current/voltage acquisition: compatible with CT/VT, accuracy level 0.2
Winding/oil temperature: supports Pt100/Pt1000, range -40 ℃~+150 ℃
Oil level/pressure: 4-20 mA transmitter input
Purpose: Differential, overcurrent, overvoltage, overheat protection calculation
2. Digital Input (DI)
16 passive switch signals: circuit breaker position, isolation switch, gas relay, pressure relief valve, etc
Voltage level: DC 24/48/110/220 V adaptive
Isolation: Each channel is optically isolated, with strong anti-interference ability
3. Digital output (DO)
8-way relay output: trip (circuit breaker/tap changer), alarm, signal reset
Contact capacity: 5 A/250 VAC, 5 A/30 VDC
Action time: ≤ 10 ms (quick break protection)
4. Communication and Diagnosis
Backplane bus: high-speed data exchange with RET670 main control board
Protocol: Internal dedicated, supports IEC 61850 GOOSE mapping
Self diagnosis: Channel malfunction, power supply abnormality, temperature exceeding alarm
ABB 1MRK002247-APR04｜ Industrial Control Relay Module｜
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