Contact form SPST-NO SPST-NO/SPST-NC Type Model Rated voltage (V) Model Rated voltage (V) AC: 24, 100, 110, 120, 200, 220, 230, 240

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1 New Product Power Relays MK-S(X) MK-S-series Relays with DC-switching Models That Can Switch 0 VDC, (Resistive Load). Switch a DC load of 0 VDC, (resistive load). Models for C Loads can switch 50 VC, 5 (resistive load). Lineup includes models with SPST- and SPST-/SPST- NC contact forms. Using a SPST-/SPST-NC contact form enables detecting contact welding. (When the contacts become welded, the NC contacts will maintain a minimum distance of 0.5 mm.) Models available with operation indicators and built-in test buttons. RoHS compliant. Standards: UL, IEC (TÜV certification) Ordering Information General-purpose Relays Models for DC Loads Models for C Loads Contact form SPST- SPST-/SPST-NC Type Model Rated voltage (V) Model Rated voltage (V) Standard Models Models with uilt-in Operation Indicators Models with Test utton Models with Test utton and uilt-in Operation Indicators MKSXT- MKSXTN- MKSXTI- MKSXTIN- ccessory (Order Separately) Connecting Socket MKSXT- DC:,,,, 0 DC:,,,, 0 MKSXTN- DC:,,,, 0 DC:,,,, 0 MKSXTI- DC:,,,, 0 DC:,,,, 0 MKSXTIN- DC:,,,, 0 DC:,,,, 0 Contact form SPST- SPST-/SPST-NC Type Model Rated voltage (V) Model Rated voltage (V) Standard Models MKST- MKST- DC:,,,, 0 DC:,,,, 0 Models with uilt-in MKSTN- MKSTN- Operation Indicators DC:,,,, 0 DC:,,,, 0 Models with Test utton MKSTI- MKSTI- DC:,,,, 0 DC:,,,, 0 Models with Test utton and MKSTIN- MKSTIN- uilt-in Operation Indicators DC:,,,, 0 DC:,,,, 0 Classifications uilt-in diode Model ack-connecting Socket PC Terminals No P7M-0P Mounts to DIN Track or via No P7MF-0 Front-connecting Socket screws Yes P7MF-0-D

2 Specifications Ratings Operating Coil Item Rated current (m) Coil resistance (Ω) Must operate voltage (V) Must release voltage (V) Rated voltage (V) 50 Hz 0 Hz Percentage of rated voltage C DC , , , , , ,500 3., ,00 0% max. 30% min. at 0 Hz 5% min. at 50 Hz Maximum voltage allowable (V) Power consumption (V, W) Note:. The rated current and coil resistance are measured at a coil temperature of 3 C with tolerances of +5%/ 0% for C rated current and ±5% for DC coil resistance.. Performance characteristic data are measured at a coil temperature of 3 C. 3. The maximum allowable voltage is the maximum value of the allowable voltage range for the operating power supply for the relay coil. There is no continuous allowance.. The rated current is approximately 5 m higher for Models with uilt-in Operation Indicators (DC operating coils). % pprox..3 V at 0 Hz pprox..7 V at 50 Hz 5% min. pprox..5 W

3 Contact Ratings for Models for DC Loads Contact form SPST- SPST-/SPST-NC Model MKSXT(I)(N)- MKSXT(I)(N)- Load Inductive load Inductive load Resistive load Resistive load Item L/R = 7 ms DC3 class L/R = 7 ms DC3 class Contact configuration Double-break Double-break NC --- Single-break Contact material gsnin gsnin Rated load Rated carry current Max. switching voltage Max. switching current Max. switching capacity (reference value), 0 VDC 5, 0 VDC 0., 0 VDC 5, 0 VDC 3, 0 VDC 0., 0 VDC NC ---, 0 VDC 0.3, 0 VDC 0., 0 VDC 5 NC --- Note: 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. * These values apply to a switching frequency of 30 times per minute. Contact Ratings for Models for C Loads 0 VDC NC --- * These values apply to a switching frequency of 0 times per minute. 0 VDC 5 NC ---,00 W , W NC W Contact form SPST- SPST-/SPST-NC Model MKST(I)(N)- MKST(I)(N)- Load Item Resistive load Resistive load Contact configuration Double-break Double-break NC --- Single-break Contact material gsnin gsnin Rated load 5, 50 VC 5, 50 VC NC --- 5, 50 VC Rated carry current 5 5 NC Max. switching voltage 50 VC NC VC Max. switching current 5 5 NC Max. switching capacity 3,750 V 3,750 V (reference value) NC ---,50 V 3

4 Characteristics Contact resistance * mω max. Operate time * C: 0 ms max. DC: 30 ms max. Release time * 0 ms max. Mechanical,000 operations/h Max. operating frequency Models for DC loads:,00 times/hour Rated load Models for C loads:,00 times/hour Insulation resistance *3 MΩ min. etween coil and contacts,500 VC 50/0 Hz for min between Dielectric strength etween contacts of different polarity,500 VC 50/0 Hz for min between etween contacts of same polarity,000 VC 50/0 Hz for min Vibration Destruction to 55 to Hz, 0.50-mm single amplitude (.0-mm double amplitude) resistance Malfunction to 55 to Hz, 0.75-mm single amplitude (.5-mm double amplitude) Shock resistance Endurance ack-connecting Socket (P7M-0P) mounting:,000 m/s Destruction Front-connecting Socket (P7MF-0(-D)) mounting:500m/s Malfunction m/s Mechanical,000,000 operations min. (at,000 operations/hr) Electrical *,000 operations min. (at rated load and maximum switching frequency) m at VDC 0 C to 0 C (with no icing or condensation) Note: The range is 5 C to 0 C for models with built-in operation indicators. Failure rate P level (reference value) mbient operating temperature mbient operating humidity 5% to 5% Weight SPST-: pprox. 73 g, SPST-/SPST-NC: pprox. g Note: The values given above are initial values. *. The contact resistance was measured for 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 3 C. *3. The insulation resistance was measured with a 500-VDC insulation resistance tester at the same places as those used for checking the dielectric strength. *. The electrical endurance was measured at an ambient temperature of 3 C. pproved Standards UL50 (File No. E55) Model Coil ratings Contact ratings Operations, 0 VDC (Resistive) MKSXT@-@ contacts 5, 0 VDC L/R (T0.3) = 7 ms 0., 0 VDC L/R (T0.95) = 300 ms MKSXT@-@ to 0 VDC to 0 VC contacts NC contacts 5, 0 VDC (Resistive) 3, 0 VDC L/R (T0.3) = 7 ms 0., 0 VDC L/R (T0.95) = 300 ms, 0 VDC (Resistive) 0.3, 0 VDC L/R (T0.3) = 7 ms 0., 0 VDC L/R (T0.95) = 300 ms MKST@-@ contacts 5, 50 VC (Resistive) contacts 5, 50 VC (Resistive) MKST@-@ NC contacts 5, 50 VC (Resistive),000 * CS Standard: CS Certification by : CS C. No. IEC Standard/TÜV Certification: IEC- (Certification No. R5053) Model Coil ratings Contact ratings Operations DC-:, 0 VDC MKSXT@-@ contacts 5, 0 VDC L/R (T0.3) = 7 ms DC-3: 0., 0 VDC MKSXT@-@,,,, 0 VDC,,,, 00, 0, 30, 0 VC contacts NC contacts DC-: 5, 0 VDC 3, 0 VDC L/R (T0.3) = 7 ms DC-3: 0., 0 VDC DC-:, 0 VDC 0.3, 0 VDC L/R (T0.3) = 7 ms DC-3: 0., 0 VDC MKST@-@ contacts C-: 5, 50 VC 50/0 Hz contacts C-: 5, 50 VC 50/0 Hz MKST@-@ NC contacts C-: 5, 50 VC 50/0 Hz,000

5 Engineering Data Maximum Switching Power MKSXT-, MKSXTN- MKSXTI-, MKSXTIN- Switching current () Switching current () DC resistive load DC inductive load L/R = 7 ms DC inductive load DC3 class Switching voltage (V) MKST-, MKSTN- MKSTI-, MKSTIN- 5 C resistive load MKSXT-, MKSXTN- MKSXTI-, MKSXTIN- Switching current () DC resistive load DC inductive load L/R = 7 ms NC DC inductive load DC3 class DC inductive load L/R = 7 ms DC resistive load NC DC inductive load DC3 class NC Switching voltage (V) MKST-, MKSTN- MKSTI-, MKSTIN- Switching current () 5 5 C resistive load NC C resistive load MK-S(X) Switching voltage (V) Switching voltage (V) mbient Temperature vs. Must Operate Voltage and Must Release Voltage MKSXT- MKSXT- C Specification (0 Hz) DC Specification Must operate/release voltage (%) Number of Relays: 5 Must operate voltage Must release voltage Must operate/release voltage (%) Number of Relays: 5 Must operate voltage Must release voltage mbient temperature ( C) mbient temperature ( C) Inductive Load Switching Power (Models for DC Loads) MKSXT-, MKSXTN- MKSXT-, MKSXTN- MKSXTI-, MKSXTIN- MKSXTI-, MKSXTIN- Switching current () 0 VDC Switching current () 0 VDC 0. NC Load time constant (ms) Load time constant (ms) 5

6 Test utton The circuit can be checked using either of two modes. Test utton DC specification: lue C specification: Red Normal Mode (momentary) Mode (locked) Test utton pplications Example: Checking operation of Relays and sequence circuits. Press the button for operation. (No tool is required.) Lock the contacts by pressing down on the button and turning it.

7 Dimensions General-purpose Relays MK-S(X) (Unit: mm) Models for DC Loads Standard Models MKSXT- MKSXT- Models with uilt-in Operation Indicators MKSXTN- MKSXTN- 3.5 max. 3.5 max. Models for C Loads Standard Models MKST- MKST- Models with uilt-in Operation Indicators MKSTN- MKSTN- 0. max. 7.3 Models for DC Loads Models with Test utton MKSXTI- MKSXTI- Models with Test utton and uilt-in Operation Indicators MKSXTIN- MKSXTIN max. 3.5 max. Models for C Loads Models with Test utton MKSTI- MKSTI- Models with Test utton and uilt-in Operation Indicators MKSTIN- MKSTIN- 0. max Terminal rrangement/internal Connection (ottom View) MKSXT- MKSXTI- MKSXTN- MKSXTIN- MKSXT- MKSXTI- MKSXTN- MKSXTIN- DC specification C specification DC specification C specification (+) (+) (+) (+) (+) (+) (+) (+) (+) (+) ( ) (+) ( ) MKST- MKSTI- MKSTN- MKSTIN- MKST- MKSTI- MKSTN- MKSTIN- DC specification C specification DC specification C specification (+) ( ) (+) ( ) Note:. Wire properly using the correct coil polarity.. The contact terminals on Models for DC Loads have polarity. Wire properly using the correct polarity. 7

8 Connecting Socket ack-connecting Socket P7M-0P Dimensions 39 max. Terminal rrangement/internal Connections (ottom View) PC Mounting Holes (ottom View) 3 max. 39 max Front-connecting Socket P7MF-0 P7MF-0-D Dimensions Terminal rrangement/internal Connections (TOP View) Mounting Holes (TOP View) 7 3 max. P7MF-0 P7MF-0-D Two, M or two 3.5-dia. hole 7 max ± max. Six, M3 x.3 Note:. The internal connections diagram is for the MKS(X)T@@-.. The P7MF-0-D has polarity. e careful to wire with the correct polarity. 3±0.

9 ccessory (Order Separately) Connecting Socket Socket ack-connecting Socket Front-connecting Socket Number of poles PC terminals Mounts to DIN Track or via screws P7M-0P P7MF-0 P7MF-0-D Note:. The P7M-0P, P7MF-0, and P7MF-0-D can be used with models for DC loads with an SPST- or SPST-/SPST-NC contact form or with models for C loads with an SPST- or SPST-/SPST-NC contact form.. The P7MF-0-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 C operating coil. 3. Refer to Gang Mounting on page for the conditions required for gang mounting. Relay Hold-down Clips Use the Clips to securely mount the Relay and prevent it from falling due to vibration or shock. Socket Socket Mounting Height pplicable Relay models ack-connecting Socket PC terminals P7M-0P Front-connecting Socket Mounts to DIN Track or via screws P7MF-0 P7MF-0-D MKSXT- MKSXTI- MKSXTIN- MKST- MKSTI- MKSTIN- PYC- MKSXT- MKSXTI- MKSXTIN- MKST- MKSTI- MKSTIN- PYC- One Set (Two Clips).5. 5 max...5 Note: The minimum order for the PYC- is ten clips. P7M-0P MK-S(X) P7MF-0 P7MF-0-D MK-S(X)

10 Safety Precautions Refer also to Precautions for ll Relays. 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 C loads do not contain a permanent magnet. When mounting a P7MF-0(-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 Gang Mounting Relays Relay Models for DC Loads Rated current of Relay ack-connecting Socket Socket Front-Connecting Socket Models for 5 * C Loads * Gang mounting of the Front-Mounting Sockets is not possible if the contact carry current exceeds.provide space on both the right and left sides of the Sockets. The mounting pitch is given in the following diagram. Test utton Turn OFF the power supply before operating the test button. lways 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 operations minimum. 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-0P or P7MF-0(-D) Socket. pplied current () Mounting interval (mm) Mounting interval 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. Wire models with built-in operation indicators with the correct coil polarity (DC operating coil).

11 Warranty and pplication Considerations MK-S(X) Read and Understand this Catalog Please read and understand this catalog before purchasing the products. Please consult your OMRON representative if you have any questions or comments. Warranty and Limitations of Liability WRRNTY OMRON's exclusive warranty is that the products are free from defects in materials and workmanship for a period of one year (or other period if specified) from date of sale by OMRON. OMRON MKES WRRNTY OR REPRESENTTION, EXPRESS OR IMPLIED, REGRDING N-INFRINGEMENT, MERCHNTILITY, OR FITNESS FOR PRTICULR PURPOSE OF THE PRODUCTS. NY UYER OR USER CKWLEDGES THT THE UYER OR USER LONE HS DETERMINED THT THE PRODUCTS WILL SUITLY MEET THE REQUIREMENTS OF THEIR INTENDED USE. OMRON DISCLIMS LL OTHER WRRNTIES, EXPRESS OR IMPLIED. LIMITTIONS OF LIILITY OMRON SHLL T E RESPONSILE FOR SPECIL, INDIRECT, OR CONSEQUENTIL DMGES, LOSS OF PROFITS, OR COMMERCIL LOSS IN NY WY CONNECTED WITH THE PRODUCTS, WHETHER SUCH CLIM IS SED ON CONTRCT, WRRNTY, NEGLIGENCE, OR STRICT LIILITY. In no event shall the responsibility of OMRON for any act exceed the individual price of the product on which liability is asserted. IN EVENT SHLL OMRON E RESPONSILE FOR WRRNTY, REPIR, OR OTHER CLIMS REGRDING THE PRODUCTS UNLESS OMRON'S NLYSIS CONFIRMS THT THE PRODUCTS WERE PROPERLY HNDLED, STORED, INSTLLED, ND MINTINED ND T SUJECT TO CONTMINTION, USE, MISUSE, OR INPPROPRITE MODIFICTION OR REPIR. pplication Considerations SUITILITY FOR USE OMRON shall not be responsible for conformity with any standards, codes, or regulations that apply to the combination of products in the customer's application or use of the products. Take all necessary steps to determine the suitability of the product for the systems, machines, and equipment with which it will be used. Know and observe all prohibitions of use applicable to this product. NEVER USE THE PRODUCTS FOR N PPLICTION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY WITHOUT ENSURING THT THE SYSTEM S WHOLE HS EEN DESIGNED TO DDRESS THE RISKS, ND THT THE OMRON PRODUCTS RE PROPERLY RTED ND INSTLLED FOR THE INTENDED USE WITHIN THE OVERLL EQUIPMENT OR SYSTEM. Disclaimers PERFORMNCE DT Performance data given in this catalog is provided as a guide for the user in determining suitability and does not constitute a warranty. It may represent the result of OMRON's test conditions, and the users must correlate it to actual application requirements. ctual performance is subject to the OMRON Warranty and Limitations of Liability. CHNGE IN SPECIFICTIONS Product specifications and accessories may be changed at any time based on improvements and other reasons. Consult with your OMRON representative at any time to confirm actual specifications of purchased product. DIMENSIONS ND WEIGHTS Dimensions and weights are nominal and are not to be used for manufacturing purposes, even when tolerances are shown.

12 OMRON Corporation Industrial utomation Company Control Devices Division H.Q. Strategy Planning Division Shiokoji Horikawa, Shimogyo-ku, Kyoto, Japan Tel: () /Fax: () OMRON ELECTRONICS LLC One Commerce Drive Schaumburg, IL U.S.. Tel: () /Fax: () OMRON SI PCIFIC PTE. LTD. No. 3 lexandra Road # 05-05/0 (Lobby ), lexandra Technopark, Singapore 997 Tel: (5) 35-30/Fax: (5) 35-7 uthorized Distributor: Regional Headquarters OMRON (CHIN) CO., LTD. OMRON EUROPE.V. Room, ank of China Tower, Wegalaan JD Hoofddorp 00 Yin Cheng Zhong Road, The Netherlands PuDong New rea, Shanghai, 00, China Tel: (3) /Fax: (3)35--3 Tel: () /Fax: () OMRON Industrial utomation Global: OMRON Corporation 00 ll Rights Reserved. In the interest of product improvement, specifications are subject to change without notice. CSM_3 09 Printed in Japan Cat. No. J75-E-0 009