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Hitachi

Hitachi Industrial Components & Equipment

Hitachi magnetic starters and contactors are in
Performance / Normal Service Condition / Coil Specifications
accordance compliant with IEC as well as AC3 class No.1, 0 & AC3 class No.1, 1

class by breaking / making current

class Max. rated capacity of motor
breaking closing
AC3 8×le 10×le

le : Rated current

Combination of switch frequency & current-carrying capacity

number frequency activity ratio
0 1800 15
1 1200 25
2 600 40
3 300 40
4 150 60
5 30 60
6 6 60

Life

(unit : Million times)

  mechanical electrical
0 more than 10 more than 1
1 more than 5 more than 0.5
2 more than2.5 more than 0.25
3 more than 1 more than 0.1
4 more than 0.25 more than 0.05
5 more than 0.05 more than 0.01
6 more than 0.005 more than 0.001

AC3

frame Rated operational voltage Rated operational ampere Breaking / making current (A) Max. breaking / making times Frequency Life Features display
breaking (100 times) closing (25 times) breaking (1 time) closing (1 time) (time / H) mechanical electrical
8C-12 220V 11 110 88 143 143 1200 1000 200 AC3-1-0-0
440V 7 70 56 91 91 1200 1000 200 AC3-1-0-0
20 220V 20 200 160 260 260 1200 1000 200 AC3-1-0-0
440V 18 180 144 234 234 1200 1000 200 AC3-1-0-0
25 220V 26 260 208 338 338 1200 500 100 AC3-1-1-0
440V 25 250 200 325 325 1200 500 100 AC3-1-1-0
35 220V 35 350 280 455 455 1200 500 100 AC3-1-1-0
440V 34 340 272 442 442 1200 500 100 AC3-1-1-0
50 220V 50 500 400 650 650 1200 500 100 AC3-1-1-0
440V 48 480 384 624 624 1200 500 100 AC3-1-1-0
frame 65C - 200C 250C - 600C 800C
breaking current le×8 times -- 25 times le×4 times -- 25 times
making current le×10 times -- 100 times le×4 times -- 100 times
frequency 1200 times/H 1200 times/H
life (mechanical) 500 million 100 million
life (electrical) 100 million 0.1 million

Testing conditions of electrical life (Category AC3)

The making and breaking currents and operating frequency of the electrical life are tested as shown in the right drawing according to test conditions of JIS C8201-4-1, JEM 1038 and IEC60947-4-1.

Category AC3

Testing conditions of electrical life (Category AC4)

Category AC4

Electrical endurance

AC200V class electrical endurance curve (AC3)

AC400V class electrical endurance curve (AC3)

Normal Service Condition

(1) Ambient temperature : Normal Service Condition

(2) Relative humidity : 45% - 85%

(3) Altitude : 2,000m or lower

(4) Atmosphere : must be free from corrosive gas, combustible gas, dust, vaper, salt etc.

(5) Environment : must be free from excessive vibration or shock.

Application for the International Standards

Rated insulation voltage (V) IEC NEMA BS VDE
150 All Frames All Frames All Frames All Frames
250
300
380 20, 35 - 600C Frame
500
600
660

STANDARD SPECIFICATION TABLE OF COIL

  Voitage/Frequency Coil tap Terminal code
8C - 125C 100v 50Hz/100 - 110V 60Hz Common tap for
50Hz, 60Hz
Terminal code
200V 50Hz/200 - 220V 60Hz
400V 50Hz/400 - 440V 60Hz
150C - 800C 100 - 110V 50/60Hz
200 - 220V 50/60Hz
400 - 440V 50/60Hz

RATED OPERATIONAL VOLTAGE AND COLOR CLASSIFICATION OF COIL

Color of outer wrapping
and lead wire (COMMON line)
Rated operational voltage and frequency
8C - 125C
Yellow 100V --- 50Hz
100 - 110V ---60Hz
White 200V --- 50Hz
200 - 220V --- 60Hz
Red 400V --- 50Hz
400 - 440V --- 60Hz
Blue Exclusive coil for all voltages *
and frequencies used other than the abovementioned.

Note

*1
For example, 200 - 220V, 60Hz includes all those of voltages between 200V and 220V. In case no special request is received, shipment will be made under the standard coil voltage indication even in case of 210V, 60Hz.
*2
Frame Manufacturable votage range
8C - 125C 24V - 550V
150C - 800C 100V - 440V

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