{"product_id":"ecql-1","title":"ECQL-1 -  Q line 1P Handle Blocking Device","description":"\u003cp\u003e\u003cstrong\u003eECQL-1 -  Q line 1P Handle Blocking Device\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen you're working inside a load center, safety and control matter just as much as performance. The Siemens ECQL-1 Handle Blocking Device is designed to give electricians and facility teams a simple but effective way to prevent accidental switching of a breaker handle. It’s a small accessory, but it plays a big role in helping maintain safe working conditions during maintenance or service work.\u003c\/p\u003e\n\u003cp\u003eThis QP series handle blocking device is built for 1-pole breaker applications and is commonly used in Siemens load centers. Once installed, it helps secure the breaker handle in place, reducing the chance of unintended operation. That means fewer surprises during maintenance work and better control over energized circuits when procedures require added safety precautions.\u003c\/p\u003e\n\u003cp\u003eWhat makes the ECQL-1 useful is its simplicity. There’s no complicated setup—just a straightforward mechanical solution that integrates directly with compatible Siemens QP breakers. It’s the kind of accessory that electricians appreciate because it saves time while adding an extra layer of protection where it counts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features and Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for Siemens QP load center breakers\u003c\/li\u003e\n\u003cli\u003e1-pole handle blocking device for added operational safety\u003c\/li\u003e\n\u003cli\u003eHelps prevent accidental breaker switching during maintenance\u003c\/li\u003e\n\u003cli\u003eSimple mechanical installation—no tools or complex setup required\u003c\/li\u003e\n\u003cli\u003eIdeal for electrical lockout-style safety practices\u003c\/li\u003e\n\u003cli\u003eCommonly used by electricians and maintenance professionals\u003c\/li\u003e\n\u003cli\u003eSupplied in quantity packs for contractor and service use\u003c\/li\u003e\n\u003cli\u003eCompact design that integrates cleanly into existing panels\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog Number:\u003c\/strong\u003e ECQL-1\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Handle blocking device\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e QP\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 1\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Electrical distribution\/load centers\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Connection Type:\u003c\/strong\u003e Plug-in (system compatibility)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 783643465626\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNet Weight:\u003c\/strong\u003e 0.066 lb\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging Quantity:\u003c\/strong\u003e 1 (sold in packs, minimum order quantity 10)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Status:\u003c\/strong\u003e Active\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Compliance:\u003c\/strong\u003e UL 489 (system application context)\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMaterial Compliance and Certifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe ECQL-1 is part of Siemens’ UL-listed load center accessory ecosystem and is designed for use in compliant electrical distribution systems. It supports installations aligned with standard electrical safety practices and regulatory requirements for panelboard accessories.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere It Works Best\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eResidential load centers\u003c\/li\u003e\n\u003cli\u003eCommercial electrical panels\u003c\/li\u003e\n\u003cli\u003eLight industrial distribution boards\u003c\/li\u003e\n\u003cli\u003eElectrical contractor service work\u003c\/li\u003e\n\u003cli\u003eMaintenance shutdown procedures\u003c\/li\u003e\n\u003cli\u003eFacility management and building maintenance systems\u003c\/li\u003e\n\u003cli\u003ePanel upgrades and retrofit projects using Siemens QP breakers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor electricians and maintenance teams who want a simple way to add safety control during service work, the Siemens ECQL-1 offers a practical, no-fuss solution that fits right into everyday electrical work.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\n\u003cdiv\u003e\n\u003cblockquote\u003e\n\u003cp style=\"font-size: 12px;\"\u003e\u003cem\u003eUse of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer.\u003cstrong\u003e CIRCUIT BREAKER SUPERSTORE®\u003c\/strong\u003e is an independent reseller and is \u003cstrong\u003enot \u003c\/strong\u003ean authorized distributor, affiliate, or representative of any manufacturer. Manufacturer warranties do \u003cstrong\u003enot\u003c\/strong\u003e apply unless expressly stated. All trademarks and registered trademarks are the property of their respective owners.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 12px;\"\u003e\u003cem\u003eSiemens®, I-T-E®, and Murray® are registered trademarks of Siemens AG. Products sold are surplus, used, or refurbished and are \u003cstrong\u003eNOT \u003c\/strong\u003esupplied by Siemens AG or its affiliates.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n","brand":"SIEMENS","offers":[{"title":"New","offer_id":51705589858603,"sku":"ECQL-1","price":5.0,"currency_code":"USD","in_stock":false}],"url":"https:\/\/store.circuitbreakersuperstore.com\/products\/ecql-1","provider":"CIRCUIT BREAKER SUPERSTORE®","version":"1.0","type":"link"}