{"id":426,"date":"2025-08-15T06:52:55","date_gmt":"2025-08-15T06:52:55","guid":{"rendered":"https:\/\/plcautomations.com\/products\/?post_type=product&p=426"},"modified":"2025-08-15T06:52:55","modified_gmt":"2025-08-15T06:52:55","slug":"omron-my4n-ac110-120-s-general-purpose-relay-standard-coil-polarity-led-indicator-standard-type-plug-in-socket-solder-terminals-quadruple-pole-double-throw-contacts-9-9-to-10-8-ma-at-50-hz-and","status":"publish","type":"product","link":"https:\/\/plcautomations.com\/products\/product\/omron-my4n-ac110-120-s-general-purpose-relay-standard-coil-polarity-led-indicator-standard-type-plug-in-socket-solder-terminals-quadruple-pole-double-throw-contacts-9-9-to-10-8-ma-at-50-hz-and\/","title":{"rendered":"Omron MY4N AC110\/120 (S) General Purpose Relay, Standard Coil Polarity, LED Indicator, Standard Type, Plug-In Socket\/Solder Terminals, Quadruple Pole Double Throw Contacts, 9.9 to 10.8 mA at 50 Hz and 8.49 to 9.2 mA at 60 Hz Rated Load Current, 110 to 120 VAC Rated Load Voltage OMRON Automation and Safety"},"content":{"rendered":"

The Omron MY4N AC110\/120 (S)<\/strong> is a versatile general-purpose relay<\/strong> widely used in industrial automation for switching applications. Here’s a breakdown of its pros and cons in a Q&A format:<\/p>\n

Pros:<\/strong><\/h3>\n
    \n
  1. Quadruple Pole Double Throw (4PDT) Contacts:<\/strong>\n
      \n
    • Q:<\/strong> How flexible is the contact configuration in this relay?<\/li>\n
    • A:<\/strong> The 4PDT<\/strong> (Quadruple Pole Double Throw) configuration provides significant flexibility for controlling multiple circuits simultaneously, making it ideal for applications requiring complex switching of various loads with a single relay.<\/li>\n<\/ul>\n<\/li>\n
    • LED Indicator for Status Monitoring:<\/strong>\n
        \n
      • Q:<\/strong> Is it easy to monitor the relay’s status?<\/li>\n
      • A:<\/strong> Yes, the LED indicator<\/strong> provides clear visual feedback, showing whether the relay is energized or de-energized. This is especially useful for troubleshooting and ensuring the relay is functioning properly during operation.<\/li>\n<\/ul>\n<\/li>\n
      • Standard Coil Polarity and Plug-In Socket:<\/strong>\n
          \n
        • Q:<\/strong> Is installation and wiring straightforward?<\/li>\n
        • A:<\/strong> Yes, the standard coil polarity<\/strong> and the plug-in socket<\/strong> design make installation and replacement of the relay easy. It also supports solder terminals<\/strong>, offering flexibility for different wiring setups.<\/li>\n<\/ul>\n<\/li>\n
        • Wide Voltage Range (110-120 VAC):<\/strong>\n
            \n
          • Q:<\/strong> Can this relay handle a wide range of voltages?<\/li>\n
          • A:<\/strong> With a rated load voltage of 110 to 120 VAC<\/strong>, this relay is suitable for a variety of AC circuits, particularly in standard industrial and commercial environments where these voltages are common.<\/li>\n<\/ul>\n<\/li>\n
          • Good Load Handling (9.9 to 10.8 mA at 50 Hz):<\/strong>\n
              \n
            • Q:<\/strong> How well does the relay handle load currents?<\/li>\n
            • A:<\/strong> The relay can handle 9.9 to 10.8 mA at 50 Hz<\/strong> and 8.49 to 9.2 mA at 60 Hz<\/strong>, which is sufficient for most standard AC applications, including controlling lights, motors, and other low-to-medium power loads.<\/li>\n<\/ul>\n<\/li>\n
            • Durable and Reliable:<\/strong>\n
                \n
              • Q:<\/strong> How long will this relay last?<\/li>\n
              • A:<\/strong> The MY4N<\/strong> relay is designed for reliable long-term performance<\/strong>, even in demanding industrial environments. It\u2019s built to handle a significant number of switching cycles and is resistant to wear and tear.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n
                \n

                Cons:<\/strong><\/h3>\n
                  \n
                1. Limited Current Handling (9.9 to 10.8 mA):<\/strong>\n
                    \n
                  • Q:<\/strong> Is this relay suitable for high-power applications?<\/li>\n
                  • A:<\/strong> The 9.9 to 10.8 mA<\/strong> current rating is relatively low, meaning it is not ideal for heavy-duty or high-power applications<\/strong> that require higher current handling. For those needs, you\u2019d need a relay with a higher current rating.<\/li>\n<\/ul>\n<\/li>\n
                  • No Advanced Features (e.g., Communication or Smart Monitoring):<\/strong>\n
                      \n
                    • Q:<\/strong> Does this relay have smart capabilities or advanced features?<\/li>\n
                    • A:<\/strong> No, the MY4N<\/strong> is a standard mechanical relay without features like communication interfaces<\/strong> (e.g., Modbus or Ethernet) or smart monitoring<\/strong>. If your application requires these, you may need a more advanced relay.<\/li>\n<\/ul>\n<\/li>\n
                    • Limited to AC Voltage:<\/strong>\n
                        \n
                      • Q:<\/strong> Can this relay be used in DC circuits?<\/li>\n
                      • A:<\/strong> No, this relay is specifically rated for AC voltages<\/strong> (110-120 VAC). If you need to control DC circuits<\/strong>, you\u2019ll have to look for a DC-rated relay instead.<\/li>\n<\/ul>\n<\/li>\n
                      • No Built-in Protection for Inductive Loads:<\/strong>\n
                          \n
                        • Q:<\/strong> Does this relay have protection for inductive loads like motors?<\/li>\n
                        • A:<\/strong> The MY4N<\/strong> does not come with built-in protection like flyback diodes<\/strong> for controlling inductive loads<\/strong> such as motors or solenoids. For applications involving such loads, additional protective components may be needed to avoid damage.<\/li>\n<\/ul>\n<\/li>\n
                        • Physical Size:<\/strong>\n
                            \n
                          • Q:<\/strong> Is the relay size suitable for tight spaces?<\/li>\n
                          • A:<\/strong> While the plug-in socket design<\/strong> is convenient, it may not be as compact as miniature relays<\/strong>, making it less suitable for extremely tight spaces. If you need a small form factor, you may want to explore more compact relay options.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n
                            \n

                            Conclusion:<\/strong><\/h3>\n

                            The Omron MY4N AC110\/120 (S)<\/strong> is a reliable and versatile general-purpose relay, perfect for controlling multiple circuits simultaneously with its 4PDT contacts<\/strong>. It offers good flexibility, clear LED status indication<\/strong>, and easy installation<\/strong> with its plug-in socket design<\/strong>. However, it\u2019s better suited for low-to-medium power applications<\/strong> due to its current handling range, and it lacks advanced features like smart monitoring<\/strong> or DC compatibility<\/strong>. It\u2019s an excellent choice for standard AC applications but may not be suitable for high-power or complex systems requiring extra protection or monitoring features.<\/p>\n","protected":false},"excerpt":{"rendered":"

                            \n
                            \n\n\n\n\n\n\n\n
                            Connector Type<\/span><\/td>\nPlug-In, Solder<\/span><\/td>\n<\/tr>\n
                            Contact Type<\/span><\/td>\nNormally Closed, Normally Open<\/span><\/td>\n<\/tr>\n
                            Current Rating<\/span><\/td>\n3 Amps<\/span><\/td>\n<\/tr>\n
                            Mounting Type<\/span><\/td>\nPole<\/span><\/td>\n<\/tr>\n
                            Brand<\/span><\/td>\nOmron<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
                            <\/div>\n
                            <\/div>\n
                            \n
                            \n
                            \n

                            About this item<\/h1>\n
                              \n
                            • Electric relay for receiving and controlling electric signals in low current applications<\/span><\/li>\n
                            • Plug-in\/solder terminals for plugging into a socket or soldering contacts<\/span><\/li>\n
                            • 4PDT for changeover switching<\/span><\/li>\n
                            • LED indicator alerts users to operating status<\/span><\/li>\n
                            • UL listed for safety and CSA certified for quality assurance<\/span><\/li>\n<\/ul>\n
                              \n

                              Product details<\/h2>\n
                              \n
                                \n
                              • Is Discontinued By Manufacturer \u200f : \u200e\u00a0<\/span>No<\/span><\/li>\n
                              • Item model number \u200f : \u200e\u00a0<\/span>reles industriales<\/span><\/li>\n<\/ul>\n

                                Product Description<\/h2>\n
                                \n

                                 <\/p>\n

                                This Omron MY4N AC110\/120 (S) general purpose relay has standard coil polarity, a built-in LED indicator, plug-in or solder terminals, and is suitable for use in low current applications. This relay has quadruple pole double throw (4PDT) contacts, an input current rating of 9.9 to 10.8 mA at 50 Hz and 8.49 to 9.2 mA at 60 Hz and a load rating of 24VDC at 3 amp, with an input of 110 to 120VAC. It has a built-in LED to alert users to the operating status. This general purpose relay has plug-in terminals for connecting to a socket or soldering to contacts, and is suitable for use in HVAC, appliance, and security applications.<\/p>\n

                                Specifications<\/h5>\n

                                Contact Form4PDTInput Current Rating at 50Hz9.9 to 10.8 mAInput Current Rating at 60Hz8.49 to 9.2 mAInput Voltage110 to 120VACLoad Rating220VAC, 3 ampDielectric Strength2,000VACOperating Temperature-55 to +70 degrees CEnclosure Dimensions*36 x 21.5 x 28mm (H x W x D)Standards MetUL (Underwriter’s Laboratories)
                                \nCSA (Canadian Standards Association)
                                \n*H is height, the vertical distance from the lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back.<\/p>\n

                                Relay switches (also called an electrical relay or an electrical relay switch) use a small amount of power to control a larger source of power connected to electrical devices such as car motors, computers, and lighting installations. A basic relay switch has a control circuit with an electromagnetic coil and a load circuit with contacts and a lever. When current flows into the relay switch, it moves through the coil and a magnetic field is created, which causes the lever in the load circuit to move between contacts, either turning the device on or off. In a normally open (NO) relay switch, when power is supplied to the relay, the load circuit is closed and the power source connected to the relay is turned on. In a normally closed (NC) relay switch, when power is supplied to the relay, the load circuit is open and the power source connected to the relay is turned off. In other types of relay switches, non-moving parts such as transistors or semiconductors can be used as the control circuit to operate the switching mechanism. Relay switches can be controlled with an external switch, such as a light switch, or they can be connected to an automatically switched power source, such as a car ignition. One relay can operate multiple switches, and multiple relays can be operated with a single switch, with each relay operating independently from the other relays in the system.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"featured_media":427,"comment_status":"open","ping_status":"closed","template":"","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":""},"product_brand":[33],"product_cat":[27],"product_tag":[28,36,37],"class_list":{"0":"post-426","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-omron","7":"product_cat-omron","8":"product_tag-omron","9":"product_tag-plcautomation","10":"product_tag-plcautomations","12":"first","13":"instock","14":"shipping-taxable","15":"product-type-external"},"yoast_head":"\nOmron MY4N AC110\/120 (S) General Purpose Relay, Standard Coil Polarity, LED Indicator, Standard Type, Plug-In Socket\/Solder Terminals, Quadruple Pole Double Throw Contacts, 9.9 to 10.8 mA at 50 Hz and 8.49 to 9.2 mA at 60 Hz Rated Load Current, 110 to 120 VAC Rated Load Voltage OMRON Automation and Safety - Products<\/title>\n<meta name=\"description\" content=\"Omron MY4N AC110\/120 (S) General Purpose Relay, Standard Coil Polarity, LED Indicator, Standard Type, Plug-In Socket\/Solder Terminals, Quadruple Pole Double Throw Contacts, 9.9 to 10.8 mA at 50 Hz and 8.49 to 9.2 mA at 60 Hz Rated Load Current, 110 to 120 VAC Rated Load Voltage OMRON Automation and Safety The Omron MY4N AC110\/120 (S) is a versatile general-purpose relay widely used in industrial automation for switching applications. 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