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DC24V Irreversible Electromagnetic Switch Coil (KHK18-DC24V-8.5)

DC24V Irreversible Electromagnetic Switch Coil KHK18-DC24V-8.5

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Electromagnetic switch for DC 24 V. World's longest switching life.

  • CE-Compliant
  • IEC
  • Screw Mounted
  • DIN Rail

● The set of electromagnetic contactor and thermal relay is offered at an affordable price.
● This CE Marking compliant product has passed certification testing.
● Terminal cover is standard equipment.
● World's Longest Switching Life EC60947-4-1 (JIS C 8201-4-1, JEM1038)
Electrical life 2.5 million operations (Europe Company A, 2 million operations, Japan Company B 2 million operations)
Mechanical life 25 million operations (Europe Company A, 16 million operations, Japan Company B 10 million operations)
● By removing the front cover, a round terminal (crimped terminal) can also be used.

· Electromagnetic contactor and thermal relay are assembled by the customer.
 
· A1 coil terminal is (+), and A2 (-).

Specifications

DC24V Irreversible Electromagnetic Switch Coil:Related Image

Frame
Size (AF)
Coil Voltage Auxiliary Contact Motor Capacity (KW) Thermal Relay Model Setting Range (A) Model
6 24 VDC 1a 0.05 SMR-12-0.52 0.4 ~ 0.63 KHK6-DC24V-0.52
0.1 SMR-12-0.82 0.63 ~ 1 KHK6-DC24V-0.82
0.2 SMR-12-1.3 1 ~ 1.6 KHK6-DC24V-1.3
0.4 SMR-12-2.1 1.6 ~ 2.5 KHK6-DC24V-2.1
0.75 SMR-12-3.3 2.5 ~ 4 KHK6-DC24V-3.3
1 SMR-12-5 4 ~ 6 KHK6-DC24V-5
1.5 SMR-12-6.5 5 ~ 8 KHK6-DC24V-6.5
1.5 SMR-12-7.5 6 ~ 9 KHK6-DC24V-7.5
2.2 SMR-12-8.5 7 ~ 10 KHK6-DC24V-8.5
9 1a1b 0.05 SMR-32-0.52 0.4 ~ 0.63 KHK9-DC24V-0.52
0.1 SMR-32-0.82 0.63 ~ 1 KHK9-DC24V-0.82
0.2 SMR-32-1.3 1 ~ 1.6 KHK9-DC24V-1.3
0.4 SMR-32-2.1 1.6 ~ 2.5 KHK9-DC24V-2.1
0.75 SMR-32-3.3 2.5 ~ 4 KHK9-DC24V-3.3
1 SMR-32-5 4 ~ 6 KHK9-DC24V-5
1.5 SMR-32-6.5 5 ~ 8 KHK9-DC24V-6.5
1.5 SMR-32-7.5 6 ~ 9 KHK9-DC24V-7.5
2.2 SMR-32-8.5 7 ~ 10 KHK9-DC24V-8.5
3.7 SMR-32-11 9 ~ 13 KHK9-DC24V-11
3.7 SMR-32-15 12 ~ 18 KHK9-DC24V-15
5.5 SMR-32-19 16 ~ 22 KHK9-DC24V-19
5.5 SMR-32-21.5 18 ~ 25 KHK9-DC24V-21.5
7.5 SMR-32-27 22 ~ 32 KHK9-DC24V-27
13 1a1b 0.05 SMR-32-0.52 0.4 ~ 0.63 KHK12-DC24V-0.52
0.1 SMR-32-0.82 0.63 ~ 1 KHK12-DC24V-0.82
0.2 SMR-32-1.3 1 ~ 1.6 KHK12-DC24V-1.3
0.4 SMR-32-2.1 1.6 ~ 2.5 KHK12-DC24V-2.1
0.75 SMR-32-3.3 2.5 ~ 4 KHK12-DC24V-3.3
1 SMR-32-5 4 ~ 6 KHK12-DC24V-5
1.5 SMR-32-6.5 5 ~ 8 KHK12-DC24V-6.5
1.5 SMR-32-7.5 6 ~ 9 KHK12-DC24V-7.5
2.2 SMR-32-8.5 7 ~ 10 KHK12-DC24V-8.5
3.7 SMR-32-11 9 ~ 13 KHK12-DC24V-11
3.7 SMR-32-15 12 ~ 18 KHK12-DC24V-15
5.5 SMR-32-19 16 ~ 22 KHK12-DC24V-19
5.5 SMR-32-21.5 18 ~ 25 KHK12-DC24V-21.5
7.5 SMR-32-27 22 ~ 32 KHK12-DC24V-27
18 1a1b 0.05 SMR-32-0.52 0.4 ~ 0.63 KHK18-DC24V-0.52
0.1 SMR-32-0.82 0.63 ~ 1 KHK18-DC24V-0.82
0.2 SMR-32-1.3 1 ~ 1.6 KHK18-DC24V-1.3
0.4 SMR-32-2.1 1.6 ~ 2.5 KHK18-DC24V-2.1
0.75 SMR-32-3.3 2.5 ~ 4 KHK18-DC24V-3.3
1 SMR-32-5 4 ~ 6 KHK18-DC24V-5
1.5 SMR-32-6.5 5 ~ 8 KHK18-DC24V-6.5
1.5 SMR-32-7.5 6 ~ 9 KHK18-DC24V-7.5
2.2 SMR-32-8.5 7 ~ 10 KHK18-DC24V-8.5
3.7 SMR-32-11 9 ~ 13 KHK18-DC24V-11
3.7 SMR-32-15 12 ~ 18 KHK18-DC24V-15
5.5 SMR-32-19 16 ~ 22 KHK18-DC24V-19
5.5 SMR-32-21.5 18 ~ 25 KHK18-DC24V-21.5
7.5 SMR-32-27 22 ~ 32 KHK18-DC24V-27
22 1a1b 0.05 SMR-32-0.52 0.4 ~ 0.63 KHK22-DC24V-0.52
0.1 SMR-32-0.82 0.63 ~ 1 KHK22-DC24V-0.82
0.2 SMR-32-1.3 1 ~ 1.6 KHK22-DC24V-1.3
0.4 SMR-32-2.1 1.6 ~ 2.5 KHK22-DC24V-2.1
0.75 SMR-32-3.3 2.5 ~ 4 KHK22-DC24V-3.3
1 SMR-32-5 4 ~ 6 KHK22-DC24V-5
1.5 SMR-32-6.5 5 ~ 8 KHK22-DC24V-6.5
1.5 SMR-32-7.5 6 ~ 9 KHK22-DC24V-7.5
2.2 SMR-32-8.5 7 ~ 10 KHK22-DC24V-8.5
3.7 SMR-32-11 9 ~ 13 KHK22-DC24V-11
3.7 SMR-32-15 12 ~ 18 KHK22-DC24V-15
5.5 SMR-32-19 16 ~ 22 KHK22-DC24V-19
5.5 SMR-32-21.5 18 ~ 25 KHK22-DC24V-21.5
7.5 SMR-32-27 22 ~ 32 KHK22-DC24V-27

 

  Rated Voltage Rated Current
Auxiliary Contact Capacity AC120V 6A
AC240V 3A
AC380V 1.9A
AC480V 1.5A
AC500V 1.4A
AC600V 1.2A
DC125V 1.1A
DC250V 0.55A
DC400V 0.31A
DC500V 0.27A
DC600V 0.2A


24 VDC Electromagnetic Switch Specifications

Model KHK6 KHK9
KHK12
KHK18
KHK22
Operation Voltage   24V
Clamping Voltage Pickup 70 ~ 110%
  Dropout 10 ~ 30%
Coil Power Consumption Inrush Current (VA) 9 9
24 VDC Rated Power (VA) 9 9
Coil Current (A) 0.4 0.4
Operating Time Closed (ms) 35...50 35...50
  Open (ms) 4...19 4...19


● Standard Usage Conditions

Ambient Temperature Reference 20°C, -10°C ~ 40°C
(Maximum 35°C daily average air temperature, maximum 25°C annual average air temperature)
Maximum Board Internal Temperature 55°C
Take care, as operational characteristics of electromagnetic contacts and thermal relays can be affected by the ambient temperature.
Relative Humidity 45 ~ 85% RH, no condensation or freezing.
Altitude 2,000 m or lower
Vibration 10 ~ 55 Hz 19.6 m / s2 or lower
Impact 49 m / s2 or lower
Atmosphere Excessive amount of dust, smoke, corrosive gases, flammable gas, moisture, or salt must not be present. Extended use in sealed conditions may lead to possible contact defects.

More Information

DC24V Irreversible Electromagnetic Switch Coil:Related Image

DC24V Irreversible Electromagnetic Switch Coil:Related Image

Part Number
KHK18-DC24V-8.5
Part NumberMinimum order quantityVolume DiscountDays to Ship Motor capacity AC 200 to 220-V class
(kW/A)
Auxiliary contact Dimension length
(mm)
Dimension thickness
(mm)
Motor Capacity 200 VAC
(kW/A)
Setting Range
(A)
Rated Current
(A)
1 Piece(s)Available

8 Days or more

2.21a1b129.9117.72.27 ~ 1018

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  1. 1

Drawing

DC24V Irreversible Electromagnetic Switch Coil:Related Image

Electromagnetic Switch

Electromagnetic Switch

● KHK Type
Misumi Original Electromagnetic Switches
Frame Size 18AF 22AF 40AF 65AF
Model KHK6 KHK9 KHK12 KHK18 KHK22 KHK32 KHK50 KHK65
Number of Phases 3 3 3 3
Rated Voltage 690 V 690 V 690 V 690 V
Rated Insulation Voltage 690 V 690 V 1,000 V 1,000 V
Rated Frequency 50 / 60 Hz 50 / 60 Hz 50 / 60 Hz 50 / 60 Hz
Rated Impulse Voltage 6 KV 6 KV 8 KV 8 KV
Switching Frequency (times / hour), AC Class 3 1,800 1,800 1,800 1,800
Mechanical Life (10,000 times) 1,500 1,500 1,200 1,200
Electrical Life (10,000 times) 250 250 200 200
AC - Class 1 A 25 25 25 32 40 50 70 100
AC - Class 3 200 / 240 V KW 2.2 2.5 3.5 4.5 5.5 7.5 15 18.5
A 9 11 13 18 22 32 55 65
380 / 440 V KW 3 4 5.5 7.5 11 15 22 30
A 7 9 12 18 22 32 50 65
500 / 550 V KW 3 4 7.5 7.5 15 18.5 30 33
A 6 7 12 13 20 28 43 60
690 V KW 3 4 7.5 7.5 15 18.5 30 33
A 4 6 9 9 18 20 28 35
UL Rated, Continuous Current, A 25 25 25 40 40 50 70 100
Single Phase 110 ~ 120 V 0.5 0.5 0.75 1 2 2 3 5
220 ~ 240 V 1.5 1.5 2 3 3 5 10 15
Three Phase 200 ~ 208 V 2 2 3 5 7.5 7.5 20 25
220 ~ 240 V 3 3 5 7.5 10 10 25 30
440 ~ 480 V 5 5 7.5 10 15 20 40 50
550 ~ 600 V 7.5 7.5 10 15 20 25 50 60
Coil Voltage AC Weight Kg 0.43 0.54 0.72 1.36 1.38
Coil Voltage DC Weight, Kg 0.6 0.68 0.94 1.61 1.63
● Standard Operating Conditions
Ambient Temperature Standard temperature at 20°C, -10°C ~ 40°C
(Maximum Daily Average Ambient Temperature 35°C, Maximum Annual Average Ambient Temperature 25°C)
Maximum Internal Panel Temperature 55°C
Note that the operating properties of the electromagnetic connector and thermal relay are influenced by ambient temperature.
Relative Humidity 45 ~ 85% RH, no condensation or freezing.
Altitude 2,000 m or lower
Vibration 10 ~ 55 Hz 19.6 m/s2 or lower
Impact 49 m/s2 or lower
Ambient Atmosphere The ambient atmosphere must not contain excessive dust, smoke, corrosive or combustible gas, moisture, or salt content.
Further, prolonged operation while sealed may cause problems such as contact failure.

Basic Information

Operating method Non-reversible Model Coil rated voltage(V) DC24 Number of electrodes 3
Representative standards CE Dimension width(mm) 45 Other Standards (IEC)
Other Standards (KEMA)

Please check the type/dimensions/specifications of the part KHK18-DC24V-8.5 in the DC24V Irreversible Electromagnetic Switch Coil series.

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