{"product_id":"industrial-273usnt-solid-state-ac-current-monitor","title":"Industrial 273USNT Solid State AC Current Monitor","description":"\u003ch3 data-section-id=\"17lc1ru\" data-start=\"0\" data-end=\"16\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"17\" data-end=\"651\"\u003eThe Time Mark 273 Solid State \u003ca href=\"https:\/\/plgautomation.com\/collections\/safety-components\"\u003eAC Current Monitor\u003c\/a\u003e is designed to continuously monitor single-phase AC current and provide reliable overcurrent or undercurrent detection with an adjustable trip point for industrial control systems. Commonly installed in motor control panels, pumps, conveyors, compressors, and process equipment where continuous current monitoring helps prevent equipment damage and improve system reliability. Maintenance teams, OEMs, and system integrators use the Time Mark 273 for replacement, repair, retrofit, and preventive maintenance in industrial automation applications. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"653\" data-end=\"670\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"671\" data-end=\"1156\"\u003eThe Time Mark Model 273 is a solid-state single-phase current monitor that can be configured for either overcurrent or undercurrent sensing depending on the wiring configuration. It is widely used in industrial automation, HVAC equipment, conveyors, pumps, compressors, machine tools, and process control systems where accurate AC current monitoring helps detect abnormal operating conditions, protect motors, and reduce costly equipment downtime. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1158\" data-end=\"1187\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1188\" data-end=\"2201\"\u003e• Manufacturer: Time Mark Corporation\u003cbr data-start=\"1225\" data-end=\"1228\"\u003e• Manufacturer Part Number (MPN): 273 (Various Models: 273-5-24, 273-5-120, 273-10-24, 273-10-120)\u003cbr data-start=\"1326\" data-end=\"1329\"\u003e• Product Type: Solid State AC Current Monitor\u003cbr data-start=\"1375\" data-end=\"1378\"\u003e• Monitoring Type: Single-Phase AC Current Monitor\u003cbr data-start=\"1428\" data-end=\"1431\"\u003e• Current Range: 0.5–5 A or 2–10 A (model dependent)\u003cbr data-start=\"1483\" data-end=\"1486\"\u003e• Supply Voltage: 24 VAC or 120 VAC (model dependent)\u003cbr data-start=\"1539\" data-end=\"1542\"\u003e• Frequency: 50–400 Hz\u003cbr data-start=\"1564\" data-end=\"1567\"\u003e• Sensing Function: Overcurrent or Undercurrent\u003cbr data-start=\"1614\" data-end=\"1617\" data-is-only-node=\"\"\u003e• Trip Point: Adjustable\u003cbr data-start=\"1641\" data-end=\"1644\"\u003e• Repeat Accuracy: 1% Maximum\u003cbr data-start=\"1673\" data-end=\"1676\"\u003e• Dead Band: 4% Maximum\u003cbr data-start=\"1699\" data-end=\"1702\"\u003e• Output Contacts: SPDT, 10 A at 240 VAC Resistive\u003cbr data-start=\"1752\" data-end=\"1755\"\u003e• Reset: Automatic\u003cbr data-start=\"1773\" data-end=\"1776\"\u003e• Power Consumption: 1 W Maximum\u003cbr data-start=\"1808\" data-end=\"1811\"\u003e• VA Burden: Less than 0.5 VA\u003cbr data-start=\"1840\" data-end=\"1843\"\u003e• Mounting: Standard 8-Pin Socket\u003cbr data-start=\"1876\" data-end=\"1879\"\u003e• Operating Temperature: -20°F to +131°F (-29°C to +55°C)\u003cbr data-start=\"1936\" data-end=\"1939\"\u003e• Enclosure Material: ABS Plastic\u003cbr data-start=\"1972\" data-end=\"1975\"\u003e• Certifications: UL Recognized and CSA Certified (273-5 Models)\u003cbr data-start=\"2039\" data-end=\"2042\"\u003e• Application: Industrial motor protection, conveyor systems, pumps, compressors, HVAC equipment, and process monitoring. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"2203\" data-end=\"2227\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"2228\" data-end=\"2328\"\u003e• Time Mark 2732 Current Monitor\u003cbr data-start=\"2260\" data-end=\"2263\"\u003e• Time Mark 2734 Current Sensitive Relay\u003cbr data-start=\"2303\" data-end=\"2306\"\u003e• Time Mark 273-10-120\u003c\/p\u003e","brand":"TIME","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51714027716910,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_5221117f-35f9-49aa-8c1a-f5399aae20ef.jpg?v=1770414220","url":"https:\/\/plgautomation.com\/products\/industrial-273usnt-solid-state-ac-current-monitor","provider":"PLG Automation ","version":"1.0","type":"link"}