{"product_id":"ers-07-220v-ac-alternating-load-timer-relay-dual-channel-din-rail","title":"ERS-07 220V Alternating Load Timer Relay – Dual Channel DIN","description":"\n\u003ch2\u003eERS-07 Alternating Load Controller – Dual-Channel Timer Relay with LED Indicators\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eERS-07 Alternating Load Controller\u003c\/strong\u003e is a precision-engineered DIN-rail timer relay designed to manage two separate loads with perfectly balanced, alternating duty cycles. Ideal for industrial automation, DSP delay switch systems, pump alternation, lighting circuits, and any application requiring synchronized sequential switching, this 220V AC relay delivers dependable, hands-free load management.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Load Alternating Control:\u003c\/strong\u003e Automatically switches between two independent loads with equal ON\/OFF durations — ensuring balanced wear and consistent operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Adjustable Timing Range:\u003c\/strong\u003e ON and OFF timing is fully adjustable from \u003cstrong\u003e1 second to 100 minutes\u003c\/strong\u003e, giving you precise control for virtually any application.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVisual State Indication:\u003c\/strong\u003e Three built-in LED indicators (including R and L flashing LEDs) let you monitor switch state and operation at a glance — no guesswork required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIN Rail Mounting:\u003c\/strong\u003e Standard DIN rail compatible for quick, tool-friendly panel installation in electrical enclosures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-in Safety Features:\u003c\/strong\u003e Integrated time relay and breaker circuitry ensure secure, stable operation across a wide range of environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBroad Temperature Range:\u003c\/strong\u003e Rated for operation from -20°C to +55°C, suitable for demanding indoor and outdoor-adjacent installations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Lightweight:\u003c\/strong\u003e Measures just 90 × 17 mm and weighs under 125 g — minimal footprint, maximum function.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eERS-07\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorking Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e220VAC \/ 110VAC (A1– to A2)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 \/ 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;5 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eON Time Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 second to 100 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOFF Time Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 second to 100 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContact Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5A \/ 250V AC (resistive load)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 LED indicators\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnection Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTerminal connection\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDIN rail\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIngress Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-20°C to +55°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Altitude\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;2000 m\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCable Cross-section\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.5 mm²\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABS\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e90 × 17 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;125 g\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × ERS-07 Alternating Load Timer Relay\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Monitor color settings and ambient lighting may cause slight color variation from photos. Minor measurement deviations are normal.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What does the ERS-07 alternating load controller do?\u003c\/h4\u003e\n\u003cp\u003eA: The ERS-07 is a dual-channel timer relay that alternates control between two independent loads. The first load activates for a set duration, then powers off, and the second load activates for the same duration. This cycle repeats automatically, ensuring perfectly balanced operation between the two circuits — ideal for pump alternation, motor cycling, or any sequential switching application.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I adjust the timing on the ERS-07 timer relay?\u003c\/h4\u003e\n\u003cp\u003eA: The ERS-07 features onboard timing adjustment controls that allow you to set both ON and OFF intervals anywhere from 1 second up to 100 minutes. Simply dial in your desired timing for each phase to match your specific application requirements.\u003c\/p\u003e\n\u003ch4\u003eQ: Is the ERS-07 compatible with standard electrical panels?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The ERS-07 uses standard DIN rail mounting, making it fully compatible with most industrial and residential electrical panels and enclosures. Terminal block connections support up to 2.5 mm² cable cross-sections for easy, secure wiring.\u003c\/p\u003e\n\u003ch4\u003eQ: What voltages does the ERS-07 alternating relay support?\u003c\/h4\u003e\n\u003cp\u003eA: The ERS-07 supports both 220VAC and 110VAC operating voltages at 50\/60 Hz, making it suitable for use in both North American and international electrical systems.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does the ERS-07 alternating load controller do?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The ERS-07 is a dual-channel timer relay that alternates control between two independent loads. The first load activates for a set duration, then powers off, and the second load activates for the same duration. This cycle repeats automatically, ensuring perfectly balanced operation between the two circuits — ideal for pump alternation, motor cycling, or any sequential switching application.\"}}, {\"@type\": \"Question\", \"name\": \"How do I adjust the timing on the ERS-07 timer relay?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The ERS-07 features onboard timing adjustment controls that allow you to set both ON and OFF intervals anywhere from 1 second up to 100 minutes. Simply dial in your desired timing for each phase to match your specific application requirements.\"}}, {\"@type\": \"Question\", \"name\": \"Is the ERS-07 compatible with standard electrical panels?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The ERS-07 uses standard DIN rail mounting, making it fully compatible with most industrial and residential electrical panels and enclosures. 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