Features
- Withstand high voltage and high current load, long service life.
- High sensitivity and fast response speed can ensure the accuracy of circuit operation.
- The operation is simple, the installation is convenient, and it can adapt to various circuit requirements.
- Small in size, lightweight and takes up little space.
- It can withstand high temperature, low temperature and humid environment, and can improve the stability of the circuit.
- Good sealing performance, can prevent foreign matter from entering the
- High power, suitable for the control of high power circuits.
- Small noise, small vibration, stable use.
- Has good strength and durability
Applications
- Commonly used in the control of large air conditioning systems.
- Lighting system to control the switch of lights.
- Used for compressor control in refrigeration systems.
- In motor control, the motor can realize normal start-stop and reverse operation.
- Used in power capacitor banks to control the connection and disconnection of capacitors
- Used in the automation control of industrial production lines
Technical
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- Number of Main Contacts NO: 3
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- Number of Main Contacts NC: 0
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- Number of Auxiliary Contacts NO: 1
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- Number of Auxiliary Contacts NC: 0
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- Standards: IEC/EN 60947-1, IEC/EN 60947-4-1, UL 60947-4-1, CSA C22.2 No. 60947-4-1
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- Rated Operational Voltage: Auxiliary Circuit 690 V ,Main Circuit 690 V
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- Rated Frequency (f):
- Auxiliary Circuit 50 / 60 Hz
Control Circuit 50 / 60 Hz
Main Circuit 50 / 60 Hz
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- Conventional Free-air Thermal Current (Ith):
- acc. to IEC 60947-4-1, Open Contactors Θ = 40 °C 35 A
acc. to IEC 60947-5-1, Θ = 40 °C 16 A
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- Rated Operational Current AC-1 (Ie):
- (690 V) 40 °C 25 A
(690 V) 60 °C 25 A
(690 V) 70 °C 22 A
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- Rated Operational Current AC-3 (Ie):
- (415 V) 60 °C 9 A
(440 V) 60 °C 9 A
(500 V) 60 °C 9.5 A
(690 V) 60 °C 7 A
(380 / 400 V) 60 °C 9 A
(220 / 230 / 240 V) 60 °C 9 A
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- Rated Operational Current AC-3e (Ie):
- (415 V) 60 °C 9 A
(440 V) 60 °C 9 A
(500 V) 60 °C 9.5 A
(690 V) 60 °C 7 A
(380 / 400 V) 60 °C 9 A
(220 / 230 / 240 V) 60 °C 9 A
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- Rated Operational Power AC-3 (Pe):
- (400 V) 4 kW
(415 V) 4 kW
(440 V) 4 kW
(500 V) 5.5 kW
(690 V) 5.5 kW
(380 / 400 V) 4 kW
(220 / 230 / 240 V) 2.2 kW
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- Rated Operational Power AC-3e (Pe):
- (415 V) 4 kW
(440 V) 4 kW
(500 V) 5.5 kW
(690 V) 5.5 kW
(380 / 400 V) 4 kW
(220 / 230 / 240 V) 2.2 kW
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- Rated Operational Current AC-15 (Ie):
- (500 V) 2 A
(690 V) 2 A
(24 / 127 V) 6 A
(220 / 240 V) 4 A
(400 / 440 V) 3 A
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- Rated Short-time Withstand Current Low Voltage (Icw):
- at 40 °C Ambient Temp, in Free Air, from a Cold State 10 s 150 A
at 40 °C Ambient Temp, in Free Air, from a Cold State 15 min 35 A
at 40 °C Ambient Temp, in Free Air, from a Cold State 1 min 60 A
at 40 °C Ambient Temp, in Free Air, from a Cold State 1 s 300 A
at 40 °C Ambient Temp, in Free Air, from a Cold State 30 s 80 A
for 0.1 s 140 A
for 1 s 100 A
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- Maximum Breaking Capacity:
- cos phi=0.45 (cos phi=0.35 for Ie > 100 A) at 440 V 250 A
cos phi=0.45 (cos phi=0.35 for Ie > 100 A) at 690 V 106 A
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- Maximum Electrical Switching Frequency:
- (AC-1) 600 cycles per hour
(AC-15) 1200 cycles per hour
(AC-2 / AC-4) 300 cycles per hour
(AC-3) 1200 cycles per hour
(DC-13) 900 cycles per hour