{"product_id":"st3p-series-power-on-delay-time-relay-8-pin-base-ac-dc","title":"ST3P Power-On Delay Time Relay | 8-Pin | AC\/DC Multi-Voltage","description":"\n\u003ch2\u003eST3P Series Power-On Delay Time Relay with 8-Pin Base\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eST3P Series Power-On Delay Time Relay\u003c\/strong\u003e is a reliable and CE-certified timing relay designed for industrial and commercial electrical control systems. Available in multiple voltage variants (AC 110V, AC 220V, AC 380V, DC 24V) and models (A through G), this time relay delivers precise delayed switching with a delay accuracy of ≤10%, making it ideal for automation panels, motor control circuits, and sequential timing applications.\u003c\/p\u003e\n\n\u003cp\u003eWith its compact design and universal \u003cstrong\u003e8-pin socket base\u003c\/strong\u003e, installation is quick and straightforward. The relay features 2 groups of delayed power-on contacts, giving you flexible circuit control options in a single compact unit. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower-On Delay Mode:\u003c\/strong\u003e Triggers output contacts after a set time delay from power application — perfect for sequential start-up control\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Voltage Compatibility:\u003c\/strong\u003e Available in DC 24V, AC 110V, AC 220V, and AC 380V to suit a wide range of electrical systems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2 Groups of Delayed Contacts:\u003c\/strong\u003e Dual output contact groups for flexible wiring configurations\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDelay Accuracy ≤10%:\u003c\/strong\u003e Consistent, repeatable timing for dependable automation sequences\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE Certified:\u003c\/strong\u003e Meets European safety and electromagnetic compatibility standards\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8-Pin Base Included:\u003c\/strong\u003e Universal socket base for tool-free relay swapping and easy maintenance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLightweight \u0026amp; Compact:\u003c\/strong\u003e Weighs just 0.135 kg, fits neatly inside standard control panels and enclosures\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Models (A–G):\u003c\/strong\u003e Choose the timing range model that best suits your application requirements\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eST3P-A \/ B \/ C \/ D \/ E \/ F \/ G\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eWorking Mode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003ePower-On Delay\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eVoltage Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eDC 24V | AC 110V | AC 220V | AC 380V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eContact Groups\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e2 Groups (Delayed Power-On)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eDelay Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e≤10%\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003ePin Base\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e8-Pin Socket Base (Included)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eCE\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e0.135 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × ST3P Series Time Relay (model of your choice)\u003c\/li\u003e\n  \u003cli\u003e1 × 8-Pin Socket Base\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\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  \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\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What voltage should I select for the ST3P power-on delay relay?\u003c\/h4\u003e\n\u003cp\u003eA: The ST3P series is available in DC 24V, AC 110V, AC 220V, and AC 380V. Choose the voltage that matches your control circuit's supply voltage. For most industrial panels in the US, AC 110V or AC 220V are common choices, while AC 380V suits three-phase European installations and DC 24V is standard for PLC and low-voltage control systems.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the difference between the ST3P-A, B, C, D, E, F, and G models?\u003c\/h4\u003e\n\u003cp\u003eA: Each letter variant (A through G) corresponds to a different timing range. For example, model A covers a shorter delay range while later models (E, F, G) cover progressively longer delay intervals. Select the model whose timing range best matches your application's required delay duration.\u003c\/p\u003e\n\u003ch4\u003eQ: Is the 8-pin base included with the ST3P time relay?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, an 8-pin socket base is included with each ST3P relay. The base allows for tool-free relay removal and replacement, which simplifies maintenance in control panel environments.\u003c\/p\u003e\n\u003ch4\u003eQ: What does \"power-on delay\" mean for this relay?\u003c\/h4\u003e\n\u003cp\u003eA: Power-on delay means the relay's output contacts do not switch immediately when power is applied. Instead, they switch after a pre-set time interval has elapsed. This is useful for staggering the start of motors, lights, or other equipment to prevent simultaneous inrush current or to create controlled sequential start-up sequences.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What voltage should I select for the ST3P power-on delay relay?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The ST3P series is available in DC 24V, AC 110V, AC 220V, and AC 380V. Choose the voltage that matches your control circuit's supply voltage. For most industrial panels in the US, AC 110V or AC 220V are common choices, while AC 380V suits three-phase European installations and DC 24V is standard for PLC and low-voltage control systems.\"}}, {\"@type\": \"Question\", \"name\": \"What is the difference between the ST3P-A, B, C, D, E, F, and G models?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Each letter variant (A through G) corresponds to a different timing range. For example, model A covers a shorter delay range while later models (E, F, G) cover progressively longer delay intervals. Select the model whose timing range best matches your application's required delay duration.\"}}, {\"@type\": \"Question\", \"name\": \"Is the 8-pin base included with the ST3P time relay?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, an 8-pin socket base is included with each ST3P relay. 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