OMRON MK2P-S-AC120 Relay 10A

( Brand: Omron ), ( Manufacturer Part Number: MK2P-S-AC120 )

Review OMRON 10a Relay

The Omron MK2P-S-AC120 is a versatile and reliable 10A form C normally open (NO) relay. This AC-operated relay is suitable for a wide range of applications, including industrial automation, HVAC systems, and various control applications.

The Omron MK2P-S-AC120 measures 46.5mm x 25.4mm x 15.2mm and comes with a coil voltage rating of 120V AC, 50/60Hz. Its 10A contact rating allows it to handle the flow of electricity up to 10 amperes, making it suitable for handling medium power loads. The relay is designed with a contact resistance of 10 milliohms or less, ensuring efficient and reliable switching.

The Omron MK2P-S-AC120 features a compact size and a sleek, modern design. It has a silver-colored casing with clear markings for easy identification of terminal positions. The relay terminals are numbered from 1 to 5, with terminal 1 being the common terminal, terminal 2 being the normally open (NO) terminal, and terminal 3 being the coil terminal. Terminals 4 and 5 are the normally closed (NC) contacts.

This relay is designed with safety in mind, featuring a built-in overload protection mechanism that helps prevent damage to the coil or contacts due to overcurrent conditions. It also comes with a built-in thermal protection mechanism that helps prevent damage due to excessive temperatures.

The Omron MK2P-S-AC120 is easy to install and operate. It can be mounted using the provided mounting holes, and the terminals can be connected using wire or terminal blocks. The relay can be controlled manually by applying voltage to the coil terminal, or it can be controlled remotely using a control circuit or relay logic.

In summary, the Omron MK2P-S-AC120 is a high-performance, reliable, and versatile 10A AC relay that is suitable for a wide range of applications. Its compact size, modern design, and built-in safety features make it a popular choice among engineers and technicians looking for a high-quality and efficient relay solution.

The Omron MK2P-S-AC120 10A Relay is a commonly used electromechanical switching device. It has several advantages and disadvantages that can help potential buyers make an informed decision.

1. Compact Size: This relay is quite small, making it an ideal choice for those with limited space in their control panels or projects. It measures 42.5mm (W) x 24.5mm (D) x 10.5mm (H).

2. Normally Open (NO) Contacts: The Omron MK2P-S-AC120 relay features normally open contacts, which means that it returns to its non-conducting state when the coil is not energized. This can be beneficial in certain applications where it is necessary for the contacts to be open when the relay is not in use.

3. AC or DC Operation: This relay can be used with both AC and DC power sources. It can handle a maximum AC voltage of 265Vrms and a maximum DC voltage of 30V.

4. High Switching Capacity: With a maximum current handling capacity of 10A, this relay can handle a significant load, making it suitable for various applications.

1. Limited Coil Life: Relays, including the Omron MK2P-S-AC120, have a limited lifespan due to the mechanical nature of their operation. Over time, the contacts may wear out, causing inconsistent performance or even failure.

2. Requires External Coil: This relay does not come with an integrated coil. Instead, an external coil must be purchased and connected to the relay, adding to the overall cost and complexity of the setup.

3. Sensitive to Overvoltage: The Omron MK2P-S-AC120 relay may not function properly if exposed to overvoltage conditions. It is recommended to use a voltage regulator or a surge protector to ensure a stable power supply.

In conclusion, the Omron MK2P-S-AC120 10A Relay offers advantages such as compact size, normally open contacts, and compatibility with both AC and DC power sources. However, it also has limitations, such as the need for an external coil, sensitivity to overvoltage, and the inherent mechanical wear that affects the reliability of all relays.

Based on the information provided, it is recommended to consider the specific requirements and constraints of your application before purchasing the Omron MK2P-S-AC120 10A Relay. If the compact size, normally open contacts, and compatibility with AC and DC power sources are essential features, this relay could be an excellent choice. However, if the need for a reliable, long-term switching solution outweighs the advantages, it might be worth considering alternative technologies, such as solid-state relays or contactless switches.

Details:

Other SIGMA Surplus is a division of Group. OMRON MK2P-S-AC120 10A Relay: RELAY, PLUG-IN, DPDT CONTACT FORM, MECHANICAL INDICATOR AND PUSH-TO-TEST BUTTON, 10 AMP, 120 VAC COIL, 8 PIN. Product images shown on the items are representative photos.

part #: mk2psac120 prices

• $14.00-$33.00

specifications plcmechanize:

• brand: Omron
• manufacturer part number: MK2P-S-AC120

returns plcmechanize:

• policy: No Returns

payments plcmechanize:

• other
• wallet: Google-pay
• credit card: Visa

general plcmechanize:

• condition: Used
• Industrial Automation Motion Controls > PLCs HMIs > PLC Processors

offer plcmechanize:

• quantity: 1
• started: November 25, 2025
• availability: In Stock
• options: Ship-to-home
• sold: 0

shipping plcmechanize:

• class: Standard, Expedited
• transit: 4-7 Days
• carrier: UPS, USPS
• type: Calculated
• service: UPS Ground, USPS Priority Mail
• cost: $12.85

seller plcmechanize:

• rating: 99.7%
• city: Evansville, Indiana
• # reviews: 19307

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