A 9 4-pole contactors are mainly used for controlling non-inductive or slightly inductive loads (i.e. resistance furnaces...) and generally for controlling power circuits up to 690 V AC and 440 V DC. The contactors can also be used for many other applications such lighting... The A... series 4-pole contactors are of the block type design. - Main poles and auxiliary contact blocks: 4 N.O. main poles, front and side-mounted add-on auxiliary contact blocks - Control circuit: AC operated with laminated magnet circuit - Accessories: a wide range of accessories is available.
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Devices complying with international standards IEC 947-1 / 947-4-1, and European standards EN 60 947-1 / 60 947-4-1. Electromagnetic compatibility (EMC) acc. to amendment A11 to IEC 947-1, EN 60 947-1 and amendment 2 to IEC 947-4-1
Rated Operational Voltage:
Main Circuit 690 V
Conventional Free-air Thermal Current (Ith):
acc. to IEC 60947-4-1, Open Contactors q = 40 °C 26 A
Rated Operational Current AC-1 (Ie):
(690 V) 40 °C 25
(690 V) 55 °C 22
(690 V) 70 °C 18
Rated Operational Current AC-3 (Ie):
(415 V) 55 °C 9 A
(440 V) 55 °C 9 A
(500 V) 55 °C 9 A
(690 V) 55 °C 7 A
(380 / 400 V) 55 °C 9 A
(220 / 230 / 240 V) 55 °C 9
Rated Breaking Capacity AC-3 acc. to IEC 60947-4-1:
8 x Ie AC-3
Rated Making Capacity AC-3 acc. to IEC 60947-4-1:
10 x Ie AC-3
Short-Circuit Protective Devices:
gG Type Fuses 25 A
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 90 A
Maximum Electrical Switching Frequency:
(AC-1) 600 cycles per hour
(AC-2 / AC-4) 300 cycles per hour
(AC-3) 1200 cycles per hour
Rated Insulation Voltage (Ui):
acc. to IEC 60947-4-1 and VDE 0110 (Gr. C) 1000 V
acc. to UL/CSA 600 V
Rated Impulse Withstand Voltage (Uimp):
8 kV
Mechanical Durability:
10 million
Maximum Mechanical Switching Frequency:
3600 cycles per hour
Rated Control Circuit Voltage (Uc):
50 Hz 400 ... 415 V
60 Hz 415 ... 440 V
Coil Consumption:
Average Holding Value 50 / 60 Hz 8 2 V·A
Average Pull-in Value 50 Hz 74 V·A
Average Pull-in Value 60 Hz 70 V·A
Holding at Max. Rated Control Circuit Voltage 50 Hz 8 2 V·A
Holding at Max. Rated Control Circuit Voltage 60 Hz 8 2 V·A
Pull-in at Max. Rated Control Circuit Voltage 50 Hz 70 V·A
Pull-in at Max. Rated Control Circuit Voltage 60 Hz 80 V·A
Operate Time:
Between Coil De-energization and NO Contact Opening 4 ... 11 ms
Between Coil Energization and NO Contact Closing 10 ... 26 ms
Connecting Capacity Main Circuit:
Flexible with Cable End 0.75 ... 2.5 mm²
Rigid Cable 1 ... 4 mm²
Connecting Capacity Auxiliary Circuit:
Flexible with Cable End 0.75 ... 2.5 mm²
Rigid Cable 1 ... 4 mm²
Degree of Protection:
acc. to IEC 60529, IEC 60947-1, EN 60529 Coil Terminals IP20
Connecting Terminals (delivered in open position) Main Poles:
M 3.5 (+,-) pozidriv 2 screw with cable clamp
Terminal Type:
Screw Terminals
Environmental
Ambient Air Temperature:
Close to Contactor for Storage -60 ... +80 °C
Near Contactor for Operation in Free Air (0.85 ... 1.1 Uc) -40 ... +55 °C
Near Contactor for Operation in Free Air (Uc) -40 ... +70 °C
Climatic Withstand:
acc. to IEC 60068-2-30 and 60068-2-11 - UTE C 63-100 specification II
