SPCJ4D34-AA motor protection relay
Product Manual：
SPCJ4D34-AA motor protection relay (ABB SPAM 100 series)
ABB SPCJ4D34-AA is a multifunctional digital motor protection relay used for comprehensive protection of low/medium voltage motors against overload, short circuit, grounding, locked rotor, phase failure/imbalance, etc.
1. Core protection full function: overload/locked rotor/short circuit/grounding/underload/phase failure/imbalance, covering the main faults of the motor.
2. High precision measurement: current accuracy ± 1%, accurate A/D sampling, no misoperation or refusal to move.
3. Wide range setting: Overload 0.5-1.5 × In; locked rotor 2-120s; current setting resolution 0.01 × In.
4. Dual power compatibility: 24VDC or 85-264VAC optional, strong adaptability for industrial sites.
5. Rated current 5A: equipped with CT secondary 5A, suitable for different power motors.
6. Communication interface: Modbus TCP/RTU, supports remote monitoring, parameter modification, and fault upload.
7. Industrial wide temperature range: -20 ℃~+55 ℃, IP20 protection, dustproof and anti vibration.
8. EMC anti-interference: Through industrial electromagnetic compatibility testing, the frequency conversion/strong interference environment is stable.
9. Adaptive thermal model: It can automatically adjust the protection curve according to the type of motor, reducing manual tuning.
10. Start monitoring: detect startup timeout/stalling to avoid motor burnout caused by startup failure.
11. Fault memory+self diagnosis: Record recent faults, LED indication, quickly locate problems.
12. Rail/Panel Installation: Standard DIN rail, compact size 110 × 60 × 30mm.
13. Low power consumption: ≤ 5W, suitable for 7 × 24-hour continuous operation.
14. Relay output: Multiple alarm/trip contacts, directly driving circuit breakers or contactors.
15. Original ABB quality: long lifespan, low maintenance, suitable for industrial automation, power, metallurgy, chemical industry, etc.
In one sentence: SPCJ4D34-AA is a standard preferred relay for motor full protection, intelligent communication, and high reliability.
Product detailed pictures：
SPCJ4D34-AA
product video
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