General Purpose Power Relays MKS-X 1
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
■Accessory (Order Separately)
Connecting Socket and Hold-down Clips
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.
Models for DC Loads Models for AC Loads
Contact form SPST-NO SPST-NO/SPST-NC SPST-NO SPST-NO/SPST-NC
Type Model Model Model Model
Standard MKS1XT-10 MKS2XT-11 MKS1T-10 MKS2T-11
Built-in Operation Indicators MKS1XTN-10 MKS2XTN-11 MKS1TN-10 MKS2TN-11
Test Button MKS1XTI-10 MKS2XTI-11 MKS1TI-10 MKS2TI-11
Test Button and Built-in Operation Indicators MKS1XTIN-10 MKS2XTIN-11 MKS1TIN-10 MKS2TIN-11
Classifications Built-in diode Socket Hold-down Clip
Back-connecting Socket PCB Mount No P7M-06P
PYC-A2
Front-connecting Socket DIN Track or Panel Mount No P7MF-06
Ye s P7MF-06-D
Rated voltage
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
2. Refer to Terminal Arrangement and Internal Connections for all wiring diagrams.
2General Purpose Power Relays MKS-X
Specifications
■Contact Ratings
Models for DC Loads
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
Note: These values apply to a switching frequency of 20 times per minute.
Contact form SPST-NO SPST-NO/SPST-NC
Model MKS1XT(I)(N)-10 MKS2XT(I)(N)-11
Load Resistive load Inductive load Resistive load Inductive load
Item L/R = 7 ms DC13 class L/R = 7 ms DC13 class
Contact configuration NO Double-break Double-break
NC --- Single-break
Contact material AgSnIn AgSnIn
Rated load NO 10 A, 220 VDC 5 A, 220 VDC 0.4 A, 220 VDC 5 A, 220 VDC 3 A, 220 VDC 0.2 A, 220 VDC
NC --- 2 A, 220 VDC 0.3 A, 220 VDC 0.1 A, 220 VDC
Rated carry current NO 10 A 5 A
NC --- 2 A
Max. switching voltage NO 220 VDC 220 VDC
NC ---
Max. switching current NO 10 A 5 A
NC --- 2 A
Max. switching capacity
(reference value) NO 2,200 W--- --- 1,100 W--- ---
NC --- 440 W--- ---
Contact form SPST-NO SPST-NO/SPST-NC
Model MKS1T(I)(N)-10 MKS2T(I)(N)-11
Load Resistive load Resistive load
Item
Contact configuration NO Double-break Double-break
NC --- Single-break
Contact material AgSnIn AgSnIn
Rated load NO 15 A, 250 VAC 15 A, 250 VAC
NC --- 5 A, 250 VAC
Rated carry current NO 15 A 15 A
NC --- 5 A
Max. switching voltage NO 250 VAC 250 VAC
NC ---
Max. switching current NO 15 A 15 A
NC --- 5 A
Max. switching capacity
(reference value) NO 3,750 VA 3,750 VA
NC --- 1,250 VA
General Purpose Power Relays MKS-X 3
■Coil Ratings
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
Note: 1. The values given above are initial values.
2. The contact resistance was measured for 1 A at 5 VDC using the voltage drop method.
3. The operate time was measured with the rated voltage imposed and any contact bounce ignored at an ambient temperature of 23°C.
4. 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: λ60=0.1 x 10-6/operations
Item Rated current (mA) Coil resistance
(Ω)Must operate
voltage (V) Must release
voltage (V) Max. voltage (V) Power consumption
(VA, W)
Rated voltage (V) 50 Hz 60 Hz
AC 24 110 96.3 48.4 80% max. of rated
voltage
30% min. of rated
voltage at 60 Hz
25% min. of rated
voltage at 50 Hz
110% of rated
voltage
Approx. 2.3 VA
at 60 Hz
Approx. 2.7 VA
at 50 Hz
100 26.6 23.1 760
110 24.2 21.0 932
120 22.2 19.3 1,130
200 13.3 11.6 3,160
220 12.1 10.5 3,550
230 11.5 10.0 4,250
240 11.0 9.6 4,480
DC 12 126 95 15% min. of rated
voltage
Approx. 1.5 W
24 63.2 380
48 32.0 1,500
110 13.6 8,060
220 6.8 32,200
Contact resistance (See note 2) 100 mΩ max.
Operate time (See note 3) AC: 20 ms max.
DC: 30 ms max.
Release time (See note 3) 20 ms max.
Max. operating frequency Mechanical 18,000 operations/h
Electrical Models for DC loads: 1,800 times/hour
Models for AC loads: 1,200 times/hour
Insulation resistance (See note 4) 100 MΩ min.
Dielectric strength 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 Destruction: 10 to 55 Hz, 1.0-mm double amplitude
Malfunction: 10 to 55 Hz, 1.5-mm double amplitude
Shock resistance Destruction: 1,000 m/s2 when relay is properly mounted into P7M-06P PCB socket
500m/s2 when relay is properly mounted into P7MF-06(-D) socket
Malfunction 100 m/s2
Life expectancy Mechanical 1,000,000 operations min. (at 18,000 operations/hr)
Electrical (See note 5) 100,000 operations min. (at rated load and maximum switching frequency)
Minimum permissible load
(Reference value. See note 6) 10 mA at 24 VDC
Ambient operating temperature −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.
Ambient operating humidity 5% to 85%
Weight SPST-NO: Approx. 73 g, SPST-NO/SPST-NC: Approx. 82 g
4General Purpose Power Relays MKS-X
■Approved Standards
UL Recognized
CSA Certified
IEC Standard/TÜV Certification: IEC61810-1 (Certification No. R50104853)
Model Coil ratings Contact ratings Operations
MKS1XT@-@
12 to 220 VDC
24 to 240 VAC NO contacts
10 A, 220 VDC (Resistive)
5 A, 220 VDC L/R (T0.632) = 7 ms
0.4 A, 220 VDC L/R (T0.95) = 300 ms
6,000
MKS2XT@-@
NO contacts
5 A, 220 VDC (Resistive)
3 A, 220 VDC L/R (T0.632) = 7 ms
0.2 A, 220 VDC L/R (T0.95) = 300 ms
NC contacts
2 A, 220 VDC (Resistive)
0.3 A, 220 VDC L/R (T0.632) = 7 ms
0.1 A, 220 VDC L/R (T0.95) = 300 ms
MKS1T@-@NO contacts 15 A, 250 VAC (Resistive)
MKS2T@-@NO contacts 15 A, 250 VAC (Resistive)
NC contacts 5 A, 250 VAC (Resistive)
Model Coil ratings Contact ratings Operations
MKS1XT@-@
12, 24, 48, 110, 220 VDC
24, 100, 110, 120, 200,
220, 230, 240 VAC
NO contacts
DC-1: 10 A, 220 VDC
5 A, 220 VDC L/R (T0.632) = 7 ms
DC-13: 0.4 A, 220 VDC
100,000
MKS2XT@-@
NO contacts
DC-1: 5 A, 220 VDC
3 A, 220 VDC L/R (T0.632) = 7 ms
DC-13: 0.2 A, 220 VDC
NC contacts
DC-1: 2 A, 220 VDC
0.3 A, 220 VDC L/R (T0.632) = 7 ms
DC-13: 0.1 A, 220 VDC
MKS1T@-@NO contacts AC-1: 15 A, 250 VAC 50/60 Hz
MKS2T@-@NO contacts AC-1: 15 A, 250 VAC 50/60 Hz
NC contacts AC-1: 5 A, 250 VAC 50/60 Hz
General Purpose Power Relays MKS-X 5
Engineering Data
Maximum Switching Power
Ambient Temperature vs. Pick-up and Drop out Voltage
Inductive Load Switching Power (Models for DC Loads)
MKS1XT@-10 MKS2XT@-11
MKS1T@-10MKS2T@-11
100
10
5
1
0.4
0.1
0.01
100101 1.000
Switching voltage (V)
Switching current (A)
DC inductive load
L/R = 7 ms
DC resistive load
DC inductive load
DC13 class
DC resistive load
NO
DC resistive load
L/R = 7 ms
NO
DC resistive load
NC
DC resistive load
L/R = 7 ms
NC
DC resistive load
DC13 class
NC
DC resistive load
DC13 class
NO
100
10
2
3
5
1
0.2
0.3
0.1
0.01
100101 1.000
Switching voltage (V)
Switching current (A)
AC resistive load
Switching voltage (V)
Switching current (A)
100
15
10
1
0.1
0.01
100101 1.000
AC resistive load
NO
AC resistive load
NC
Switching voltage (V)
Switching current (A)
100
15
5
10
1
0.1
0.01
100101 1.000
MKS2XT-11
AC Specification (60 Hz)
MKS2XT-11
DC Specification
MKS1XT@-10 MKS2XT@-11
Must operate
voltage
Must release
voltage
Ambient temperature (°C)
Must operate/release voltage (%)
Number of Relays: 5
100
80
60
40
20
23-40 60
Must operate
voltage
Must release
voltage
Number of Relays: 5
Ambient temperature (°C)
Must operate/release voltage (%)
100
80
60
40
20
23-40 60
100
10
1
0.1
100 50 10 0 7
Load time constant (ms)
Switching current (A)
220 VDC
NO
220 VDC
NC
10
1
0.1
0.01
100 50 10 0 7
Load time constant (ms)
Switching current (A)
6General Purpose Power Relays MKS-X
Dimensions (Unit: mm)
Terminal Arrangement and Internal Connection (Bottom View)
Note: 1. Wire properly using the correct coil polarity.
2. The contact terminals on Models for DC Loads have polarity. Wire properly using the correct polarity.
MKS1XT-10
MKS1XTI-10
MKS1XTN-10
MKS1XTIN-10
MKS2XT-11
MKS2XTI-11
MKS2XTN-11
MKS2XTIN-11
DC specification AC specification DC specification AC specification
MKS1T-10
MKS1TI-10
MKS1TN-10
MKS1TIN-10
MKS2T-11
MKS2TI-11
MKS2TN-11
MKS2TIN-11
DC specification AC specification DC specification AC specification
34.5 max.
44 max.
34.5 max.
0.8
7.3
34.5 max.
3.5
44 max.
34.5 max.
0.8
7.3
29.7
0.5
4
BA
8
6 (
+)
2
4
BA
8 (+)
6 (+)
4
B (−)A (+)
8
6 (+)
4
BA
8
6 (+)
2
4
B (−)A (+)
8 (+)
6 (+)
2
4
BA
8 (+)
6 (+)
4
BA
8
6
2
4
BA
8
6
4
B (−)A (+)
8
6
4
BA
8
6
2
4
B (−)A (+)
8
6
2
4
BA
8
6
General Purpose Power Relays MKS-X 7
Connecting Socket
Back-connecting Socket
Front-connecting Socket
8.3
7.7
5.5
0.9
PCB Mounting Holes
(Bottom View)
Terminal Arrangement/Internal Connections
(Bottom View)
4
2
8
A
6
B
39 max.
43 max.
21.9
4.35
0.9 7.7
8.3
5.5
39 max.
22.1
11.05 11.05
Dimensions
P7M-06P
39 max.
24.3
6
34 max.
78 max.
4
66±0.3
31±0.2
P7MF-06
Note: 1. The internal connections diagram is for the MKS2(X)T@@-11.
2. The P7MF-06-D has polarity. Be careful to wire with the
correct polarity.
P7MF-06-D Two, M4 or
two 3.5-dia. hole
7
35.5
Six, M3 x 8
Mounting Holes
(TOP View)
Terminal Arrangement/Internal Connections
(TOP View)
Dimensions
P7MF-06
P7MF-06-D
8General Purpose Power Relays MKS-X
Hold-down Clip
Socket Mounting Height
PYC-A2
One Set (Two Clips)
4.5 1.2
42.8
5 max.
4.5
Note: The minimum order for the
PYC-A2 is ten clips.
MK-S(X)
64 61
P7M-06P
75 79
70
74
MK-S(X)
General Purpose Power Relays MKS-X 9
Safety Precautions
Be sure to read the precautions and information common to all electromechanical relays, contained in the Technical User’s Guide,
“Electromechanical Relays, Technical Information” for correct use.
Precautions for Correct Use
Installation
•Models for DC loads (i.e., models with “X” in the model number)
have permanent magnets built into the insulating block. If a
permanent magnet or other magnetic body comes near the Relay,
magnetic interference will occur with the built-in permanent magnet
and the contact switching capacity will be decreased.
•Models for AC loads do not contain a permanent magnet.
•When mounting a P7MF-06(-D) Front-mounting Socket to a DIN
Track, attach PFP-M End Plates on both sides of the Socket to
prevent it from moving.
Gang Mounting
Conditions for mounting multiple MKS-X relays on the same DIN rail.
* Gang mounting of the Front-Mounting Sockets is not possible if the
contact carry current exceeds 10A.Provide space on both the right
and left sides of the Sockets.
The mounting pitch is given in the following diagram.
Wiring
•
The contact terminals on Models for DC Loads (i.e., models with “X” in
the model number) have polarity. Wiring with incorrect polarity may
result in inability to turn OFF the Relay or loss of functionality.
•Be sure to check plarity when wiring DC coil MKS-X relays with
built-in operation indicators.
Operating Environment
Do not use the Relay in environments with combustible gas. Doing so
may result in explosion due to arcing.
Storage
Models for DC Loads (i.e., models with “X” in the model number) are
magnetized because they have a built-in magnet to deflect and
extinguish the arc. Do not install the Relay near IC cards or other
items that may be adversely affected by magnetism.
Usage
Use the Relay mounted in the P7M-06P or P7MF-06(-D) Socket.
Test Button
•Turn OFF the power supply before operating the test button. Always
return the test button to the original position after you use it.
•Do not use the test button as a switch.
•The durability of the test button is 100 operations minimum.
The circuit can be checked using either of two modes.
Test Button Applications
Example: Checking operation of Relays and sequence circuits.
Socket
Relay Rated current
of Relay Back-Connecting
Socket Front-Connecting
Socket
Models for
DC Loads 10A ❍❍
Models for
AC Loads 15A ❍*
20
15
10
5
0
0 10 20 30 40 50
Applied current (A)
Mounting interval (mm)
Mounting interval
Test Button
DC specification: Blue
AC specification: Red Normal
Mode 1
(momentary)
Press the button
for operation.
(No tool is required.)
Mode 2
(locked)
Lock the contacts by
pressing down on the
button and turning it.
10 General Purpose Power Relays MKS-X
MEMO
General Purpose Power Relays MKS-X 11
Omron Electronic Components, LLC
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dispute hereunder.
4. Amendment: These Terms constitute the entire agreement between Buyer and Seller
relating to the Products, and no provision may be changed or waived unless in writing
signed by the parties.
5. Severability: If any provision hereof is rendered ineffective or invalid, such provision shall
not invalidate any other provision.
I. GENERAL
II. SALES
III. PRECAUTIONS
IV. WARRANTY AND LIMITATION
V. INFORMATION; ETC.
VI. MISCELLANEOUS
12 General Purpose Power Relays MKS-X
Certain Precautions on Specifications and Use
1. Suitability for Use. Seller shall not be responsible for conformity with any stan-
dards, codes or regulations which apply to the combination of the Product in
Buyer's application or use of the Product. At Buyer's request, Seller will pro-
vide applicable third party certification documents identifying ratings and limi-
tations of use which apply to the Product. This information by itself is not
sufficient for a complete determination of the suitability of the Product in com-
bination with the end product, machine, system, or other application or use.
Buyer shall be solely responsible for determining appropriateness of the par-
ticular Product with respect to Buyer's application, product or system. Buyer
shall take application responsibility in all cases but the following is a non-
exhaustive list of applications for which particular attention must be given:
(i) Outdoor use, uses involving potential chemical contamination or electrical
interference, or conditions or uses not described in this document.
(ii) Energy control systems, combustion systems, railroad systems, aviation
systems, medical equipment, amusement machines, vehicles, safety
equipment, and installations subject to separate industry or government
regulations.
(iii) Use in consumer products or any use in significant quantities.
(iv) Systems, machines and equipment that could present a risk to life or
property. Please know and observe all prohibitions of use applicable to this
product.
NEVER USE THE PRODUCT FOR AN APPLICATION INVOLVING SERIOUS
RISK TO LIFE OR PROPERTY WITHOUT ENSURING THAT THE SYSTEM
AS A WHOLE HAS BEEN DESIGNED TO ADDRESS THE RISKS, AND THAT
THE OMRON PRODUCT IS PROPERLY RATED AND INSTALLED FOR THE
INTENDED USE WITHIN THE OVERALL EQUIPMENT OR SYSTEM.
2. Programmable Products. Seller shall not be responsible for the user's pro-
gramming of a programmable product, or any consequence thereof.
3. Performance Data. Performance data given in this publication is provided as
a guide for the user in determining suitability and does not constitute a war-
ranty. It may represent the result of Seller's test conditions, and the users must
correlate it to actual application requirements. Actual performance is subject to
Seller's Warranty and Limitations of Liability.
4. Change in Specifications. Product specifications and accessories may be
changed at any time based on improvements and other reasons. It is our prac-
tice to change part numbers when published ratings or features are changed,
or when significant construction changes are made. However, some specifica-
tions of the Product may be changed without any notice. When in doubt, spe-
cial part numbers may be assigned to fix or establish key specifications for
your application. Please consult with your Seller representative at any time to
confirm actual specifications of purchased Product.
5. Errors and Omissions. The information in this publication has been carefully
checked and is believed to be accurate; however, no responsibility is assumed
for clerical, typographical or proofreading errors, or omissions.
6. RoHS Compliance. Where indicated, our products currently comply, to the
best of our knowledge as of the date of this publication, with the requirements
of the European Union's Directive on the Restriction of certain Hazardous
Substances ("RoHS"), although the requirements of RoHS do not take effect
until July 2006. These requirements may be subject to change. Please consult
our website for current information.
OMRON ON-LINE
Global - http://www.omron.com
USA - http://www.components.omron.com
Cat. No. J175-E-02 Printed in USA
OMRON ELECTRONIC
COMPONENTS LLC
55 E. Commerce Drive, Suite B
Schaumburg, IL 60173
847-882-2288
09/09 Specifications subject to change without notice
Complete “Terms and Conditions of Sale” for product purchase and use are on Omron’s website
at http://www.components.omron.com – under the “About Us” tab, in the Legal Matters section.
ALL DIMENSIONS SHOWN ARE IN MILLIMETERS.
To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527.