General Purpose Power Relays
MKS-X
MK-S-series Relays with AC and DC Load
switching Models
• Models for DC Loads can switch 220 VDC, 10 A (resistive).
• Models for AC Loads can switch 250 VAC, 15 A (resistive).
• Lineup includes models with 1FormA and 1FormA+1FormB
contact arrangements.
• Models available with operation indicators and built-in test buttons.
• Standards: UL/CSA, IEC (TÜV certification)
• RoHS compliant.
Ordering Information
■
List of Models
Models for DC Loads
Contact form
Type
Standard
Built-in Operation Indicators
Test Button
SPST-NO
Model
MKS1XT-10
MKS1XTN-10
MKS1XTI-10
SPST-NO/SPST-NC
Model
MKS2XT-11
MKS2XTN-11
MKS2XTI-11
MKS2XTIN-11
Models for AC Loads
SPST-NO
Model
MKS1T-10
MKS1TN-10
MKS1TI-10
MKS1TIN-10
SPST-NO/SPST-NC
Model
MKS2T-11
MKS2TN-11
MKS2TI-11
MKS2TIN-11
Test Button and Built-in Operation Indicators
MKS1XTIN-10
Note: 1.
When ordering, add the rated
voltage
to the model number. Rated
voltages
are given in the coil ratings table in the specifications.
Example: MKS2XTIN-11 AC240
Rated
voltage
2.
Refer to
Terminal Arrangement and Internal Connections
for all
wiring
diagrams.
■
Accessory (Order Separately)
Connecting Socket and Hold-down Clips
Classifications
Back-connecting Socket
Front-connecting Socket
PCB Mount
DIN Track or Panel Mount
Built-in diode
No
No
Yes
Socket
P7M-06P
P7MF-06
P7MF-06-D
PYC-A2
Hold-down Clip
Note: 1.
The P7M-06P, P7MF-06, and P7MF-06-D can be used with models for DC loads with an SPST-NO or SPST-NO/SPST-NC contact form
or with models for AC loads with an SPST-NO or SPST-NO/SPST-NC contact form.
2.
The P7MF-06-D has a built-in diode and can thus be used only with Relays with DC operating coils. Do not use it with a Relay with an
AC operating coil.
3.
Refer to
Gang Mounting
in the
Safety Precautions
section for the conditions required to gang mounti multiple relays side-by-side.
4.
Use the Clips to securely mount the Relay and prevent it from falling due to vibration or shock.
General Purpose Power Relays
MKS-X
1
Specifications
■
Contact Ratings
Models for DC Loads
Contact form
Model
Load
Item
Contact configuration
Contact material
Rated load
Rated carry current
Max. switching voltage
Max. switching current
Max. switching capacity
(reference value)
NO
NC
NO
NC
NO
NC
NO
NC
NO
NC
2,200
W
10 A, 220 VDC
NO
NC
Resistive load
SPST-NO
MKS1XT(I)(N)-10
Inductive load
L/R = 7 ms
Double-break
---
AgSnIn
5 A, 220 VDC
---
10 A
---
220 VDC
---
10 A
---
---
---
---
1,100
W
440
W
5A
2A
---
---
---
---
0.4 A, 220 VDC
5 A, 220 VDC
2 A, 220 VDC
DC13 class
Resistive load
SPST-NO/SPST-NC
MKS2XT(I)(N)-11
Inductive load
L/R = 7 ms
Double-break
Single-break
AgSnIn
3 A, 220 VDC
5A
2A
220 VDC
0.2 A, 220 VDC
0.3 A, 220 VDC 0.1 A, 220 VDC
DC13 class
Note: 1.
If the L/R of an inductive load exceeds 7 ms with a Model for a DC Load, the arc interruption time must be less than approximately 50 ms
to use the Relay. Design the circuit so that the arc interruption time is 50 ms or less.
2.
These values apply to a switching frequency of 30 times per minute.
Models for AC Loads
Contact form
Model
Load
Item
Contact configuration
Contact material
Rated load
Rated carry current
Max. switching voltage
Max. switching current
Max. switching capacity
(reference value)
NO
NC
NO
NC
NO
NC
NO
NC
NO
NC
NO
NC
SPST-NO
MKS1T(I)(N)-10
Resistive load
Double-break
---
AgSnIn
15 A, 250 VAC
---
15 A
---
250 VAC
---
15 A
---
3,750 VA
---
15 A
5A
3,750 VA
1,250 VA
SPST-NO/SPST-NC
MKS2T(I)(N)-11
Resistive load
Double-break
Single-break
AgSnIn
15 A, 250 VAC
5 A, 250 VAC
15 A
5A
250 VAC
Note:
These values apply to a switching frequency of 20 times per minute.
2
General Purpose Power Relays
MKS-X
■
Coil Ratings
Item Rated current (mA)
Rated voltage (V)
AC
24
100
110
120
200
220
230
240
DC
12
24
48
110
220
50 Hz
110
26.6
24.2
22.2
13.3
12.1
11.5
11.0
126
63.2
32.0
13.6
6.8
60 Hz
96.3
23.1
21.0
19.3
11.6
10.5
10.0
9.6
Coil resistance
(Ω)
48.4
760
932
1,130
3,160
3,550
4,250
4,480
95
380
1,500
8,060
32,200
15% min. of rated
voltage
Approx. 1.5
W
Must operate
voltage (V)
Must release
voltage (V)
Max. voltage (V)
Power consumption
(VA, W)
Approx. 2.3 VA
at 60 Hz
Approx. 2.7 VA
at 50 Hz
80% max. of rated 30% min. of rated 110% of rated
voltage
voltage at 60 Hz voltage
25% min. of rated
voltage at 50 Hz
Note: 1.
The rated current and coil resistance are measured at a coil temperature of 23°C with tolerances of +15%/-20% for AC rated current and
±15%
for DC coil resistance.
2.
Performance characteristic data are measured at a coil temperature of 23°C.
3.
The Maximum Voltage is the highest voltage that can be applied to the coil temporarily, not continuously.
4.
The rated current is approximately 5 mA higher for Models with Built-in Operation Indicators (DC operating coils).
■
Characteristics
Contact resistance
(See note 2)
Operate time
(See note 3)
Release time
(See note 3)
Max. operating frequency Mechanical
Electrical
Insulation resistance
(See note 4)
Dielectric strength
100 mΩ max.
AC: 20 ms max.
DC: 30 ms max.
20 ms max.
18,000 operations/h
Models for DC loads: 1,800 times/hour
Models for AC loads: 1,200 times/hour
100 MΩ min.
2,500 VAC 50/60 Hz for 1 min. between coil and contacts
2,500 VAC 50/60 Hz for 1 min. between contacts of different polarity
1,000 VAC 50/60 Hz for 1 min. between contacts of same polarity
Vibration resistance
Shock resistance
Destruction:
Malfunction:
Destruction:
Malfunction
Life expectancy
Mechanical
10 to 55 Hz, 1.0-mm double amplitude
10 to 55 Hz, 1.5-mm double amplitude
1,000 m/s
2
when relay is properly mounted into P7M-06P PCB socket
500m/s
2
when relay is properly mounted into P7MF-06(-D) socket
100 m/s
2
1,000,000 operations min. (at 18,000 operations/hr)
10 mA at 24 VDC
−40°C
to 60°C (with no icing or condensation)
Note:
The range is
−25°C
to 60°C for models with built-in operation indicators.
5% to 85%
SPST-NO: Approx. 73 g, SPST-NO/SPST-NC: Approx. 82 g
Electrical
(See note 5)
100,000 operations min. (at rated load and maximum switching frequency)
Minimum permissible load
(Reference value. See note 6)
Ambient operating temperature
Ambient operating humidity
Weight
Note: 1.
2.
3.
4.
The values given above are initial values.
The contact resistance was measured for 1 A at 5 VDC using the voltage drop method.
The operate time was measured with the rated voltage imposed and any contact bounce ignored at an ambient temperature of 23°C.
The insulation resistance was measured with a 500-VDC insulation resistance tester at the same places as those used for checking the
dielectric strength.
5.
The electrical endurance was measured at an ambient temperature of 23°C.
6.
P level:
λ
60
=0.1 x 10
-6
/operations
General Purpose Power Relays
MKS-X
3
■
Approved Standards
UL Recognized
CSA Certified
Model
MKS1XT@-@
Coil ratings
12 to 220 VDC
24 to 240 VAC
Contact ratings
10 A, 220 VDC (Resistive)
NO contacts
5 A, 220 VDC L/R (T
0.632
) = 7 ms
0.4 A, 220 VDC L/R (T
0.95
) = 300 ms
5 A, 220 VDC (Resistive)
NO contacts
3 A, 220 VDC L/R (T
0.632
) = 7 ms
0.2 A, 220 VDC L/R (T
0.95
) = 300 ms
2 A, 220 VDC (Resistive)
NC contacts
0.3 A, 220 VDC L/R (T
0.632
) = 7 ms
0.1 A, 220 VDC L/R (T
0.95
) = 300 ms
NO contacts
15 A, 250 VAC (Resistive)
NO contacts
15 A, 250 VAC (Resistive)
NC contacts
5 A, 250 VAC (Resistive)
Operations
6,000
MKS2XT@-@
MKS1T@-@
MKS2T@-@
IEC Standard/TÜV Certification: IEC61810-1 (Certification No. R50104853)
Model
MKS1XT@-@
Coil ratings
12, 24, 48, 110, 220 VDC
24, 100, 110, 120, 200,
220, 230, 240 VAC
Contact ratings
DC-1: 10 A, 220 VDC
NO contacts 5 A, 220 VDC L/R (T
0.632
) = 7 ms
DC-13: 0.4 A, 220 VDC
DC-1: 5 A, 220 VDC
NO contacts 3 A, 220 VDC L/R (T
0.632
) = 7 ms
DC-13: 0.2 A, 220 VDC
DC-1: 2 A, 220 VDC
NC contacts 0.3 A, 220 VDC L/R (T
0.632
) = 7 ms
DC-13: 0.1 A, 220 VDC
NO contacts AC-1: 15 A, 250 VAC 50/60 Hz
NO contacts AC-1: 15 A, 250 VAC 50/60 Hz
NC contacts AC-1: 5 A, 250 VAC 50/60 Hz
Operations
100,000
MKS2XT@-@
MKS1T@-@
MKS2T@-@
4
General Purpose Power Relays
MKS-X
Engineering Data
Maximum Switching Power
MKS1XT@-10
Switching current (A)
100
DC resistive load
10
5
DC inductive load
L/R = 7 ms
MKS2XT@-11
Switching current (A)
100
DC resistive load
NO
10
5
3
2
1
0.3
0.2
DC resistive load
L/R = 7 ms
NO
1
0.4
DC resistive load
L/R = 7 ms
NC
DC resistive load
NC
0.1
DC inductive load
DC13 class
0.1
DC resistive load
DC13 class
NO
0.01
100
1.000
1
10
DC resistive load
DC13 class
NC
100
1.000
0.01
1
10
Switching voltage (V)
Switching voltage (V)
MKS1T@-10
Switching current (A)
100
MKS2T@-11
Switching current (A)
100
AC resistive load
NO
15
10
5
AC resistive load
NC
15
10
AC resistive load
1
1
0.1
0.1
0.01
1
10
100
1.000
0.01
1
10
100
1.000
Switching voltage (V)
Switching voltage (V)
Ambient Temperature vs. Pick-up and Drop out Voltage
MKS2XT-11
AC Specification (60 Hz)
Must operate/release voltage (%)
100
MKS2XT-11
DC Specification
Must operate/release voltage (%)
100
Number of Relays: 5
80
Must operate
voltage
Must release
voltage
Number of Relays: 5
80
Must operate
voltage
Must release
voltage
60
60
40
40
20
20
-40
23
60
-40
23
60
Ambient temperature (°C)
Ambient temperature (°C)
Inductive Load Switching Power (Models for DC Loads)
MKS1XT@-10
Switching current (A)
100
220 VDC
MKS2XT@-11
Switching current (A)
10
220 VDC
10
1
NO
1
0.1
NC
0.1
0 7 10
50
100
0.01
0 7 10
50
100
Load time constant (ms)
Load time constant (ms)
General Purpose Power Relays
MKS-X
5
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