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1.circuit protector : overload, overcurrent, phase failure, over voltage etc., 2. measure volt, amp, watt, kwh, 3. Modbus RTU - details see: https://www.machineto.com/pmac802-circuit-breaker-motor-controller-motor-protection-relay-10233842

PMAC802 Circuit Breaker / Motor Controller with following Features:

1. Use module framework. Several modules can be selected flexibly.

2. PMAC802 provides 12 protection functions such as start overtime protection, overload protection, overcurrent protection, phase failure protection, current unbalance protection, earth fault/leakage current protection, short circuit protection, underload protection, external fault protection, overvoltage protection, undervoltage protection, under power protection, phase sequence error protection, EEx e overload protection, temperature (PTC/NTC) protection, analog input protection.

3. Provides measurements of three phases current, three phase /phase voltage, zero phase sequence current, active power, reactive power, power factor, frequency, and active energy measurements.

4. Provides protection, direct starter, reversing direct starter, star/delta starter, and autotransformer starter etc motor starting control modes.

5. Main module provides 9 DIs for start, stop and reset etc. signals input. If more DIs are needed, an extended digital module can be selected. Some of the DIs are programmable.

6. Main module provides 5 DOs to meet varies of starting control modes and protection action. If more DOs are needed, an extended digital module can be selected. Some of the DOs are programmable.

7. Provides 4~20mA analog output for DCS.

8. Through an extended analog module, 2 analog input or 1 analog and 1 hot resistance input can be added.

9. Small size and compact configuration.

10. Easy installation. Proper for 35mm DIN rail.

1. Protection:

Protection	PMAC802	PMAC801
start overtime	√	√
Over load	√	√
Over current	√	√
Phase failure	√	√
Current unbalance	√	√
Short circuit	√	√
Earth fault	√	√
Under load	√	√
External fault	√	√
Leakage current	optional	optional
Temperture ( PTC/ NTC)		optional
Over voltage	optional	optional
Under voltage	optional	optional
Under power		optional
Phase sequence error		optional
EEx e overload (tE)	optonal	optional
Analog input		optioanl

2. Measurement:

Parameters	PMAC802	PMAC801
3 phase current, neutral current, unbalance rate	√	√
3 phase voltage	optional	optional
active / reactive power	optional	optional
leakage current	optional	optional
power factor	optional	optional
frequency	optional	optional
active energy (kwh)	optional	optional