{"product_id":"bzcovac-35ka-indoor-surge-protective-device-siemens","title":"Bzcovac 35kA Indoor Surge Protective Device (Siemens)","description":"\u003cp\u003e\u003cstrong\u003eThe Bzcovac QSPD2A035B is a compact, panel-mounted 35 kA surge protective device that installs inside Siemens-compatible electrical panels to protect an entire building's circuits from transient overvoltage events.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eSurge protective devices (SPDs) are a first line of defense against sudden voltage spikes caused by lightning, utility switching, or internal equipment operation. The QSPD2A035B is designed for indoor, bolt-on installation at the service or distribution panel so protection covers every circuit fed from that panel. Its compact two-slot footprint, mechanical status indicator, and 35,000 A surge current capacity make it a practical option for residential, commercial, and light-industrial applications where space and cost are important.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this SPD protect my home or business?\u003c\/h3\u003e\n\u003cp\u003eThe device diverts high-energy surge current away from sensitive equipment by shunting excess voltage to neutral\/ground at the panel location. Installing the SPD at the distribution point reduces the energy reaching downstream devices and reduces the chance of equipment damage during transient events.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRated 35 kA maximum surge current for high-energy events.\u003c\/li\u003e\n  \u003cli\u003ePanel-mounted position protects all circuits on that panel at once.\u003c\/li\u003e\n  \u003cli\u003eReduces residual surge energy for downstream branch circuits when used in a cascaded protection strategy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs it easy to install in my Siemens load center?\u003c\/h3\u003e\n\u003cp\u003eYes — the QSPD2A035B is designed for straightforward bolt-on installation that occupies two breaker spaces. It connects to the neutral bus with the provided lead and mounts securely to compatible panelboards, minimizing panel reconfiguration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTwo-slot design fits most Siemens-compatible panels and load centers.\u003c\/li\u003e\n  \u003cli\u003eBolt-on mounting keeps the module compact and stable inside the panel.\u003c\/li\u003e\n  \u003cli\u003eSingle white neutral conductor for quick connection to the neutral bus bar.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow will I know when the device needs replacement?\u003c\/h3\u003e\n\u003cp\u003eThe unit features a mechanical status indicator that provides a clear visual signal of operational condition. Under normal operation the flag shows the service color; after a significant surge event the mechanical marker changes to indicate activation and that the SPD may need service or replacement.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMechanical visual flag gives instant, tool-free status checks.\u003c\/li\u003e\n  \u003cli\u003eIndicator color change signals that the SPD absorbed a surge event.\u003c\/li\u003e\n  \u003cli\u003eSimple inspection helps maintenance crews or homeowners confirm protection status without meter checks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat equipment and situations is this SPD suitable for?\u003c\/h3\u003e\n\u003cp\u003eDesigned for whole-panel protection, this SPD is appropriate for protecting appliances, electronics, HVAC systems, lighting, and control equipment from transient overvoltages. It can be used at the main service panel or at downstream distribution panels as part of a layered protection plan.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWhole-home or whole-building panel protection for general-purpose circuits.\u003c\/li\u003e\n  \u003cli\u003eSuitable for residential, commercial, and light industrial distribution panels.\u003c\/li\u003e\n  \u003cli\u003eWorks well as a primary or secondary device in cascaded surge protection systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Bzcovac QSPD2A035B is aimed at electricians, facility managers, and homeowners who need an economical, space-efficient SPD to protect entire panels inside Siemens-compatible load centers. It’s a good fit when you want broad circuit coverage inside the panel, a clear mechanical status indicator for maintenance, and a high surge current rating without requiring a large footprint or external enclosures.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I install the QSPD2A035B in any Siemens panel?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It fits most Siemens-compatible load centers that accept a two-slot bolt-on module; verify internal panel space and mounting points before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the indicator tell me when the device failed?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The mechanical flag changes visibly after a significant surge event to indicate the unit activated and may need replacement.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Bzcovac","offers":[{"title":"Default Title","offer_id":48413602185373,"sku":"B0GQSFRGH7","price":68.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/bzcovac-qspd2a035b-front-panel-view.jpg?v=1781273503","url":"https:\/\/nexoltic.com\/products\/bzcovac-35ka-indoor-surge-protective-device-siemens","provider":"Nexoltic","version":"1.0","type":"link"}