NFPA 70B is now a mandatory electrical maintenance standard. SwitchMon® from InfraSensing®, deployed by APT, replaces recurring manual IR scans with automated, minute-by-minute condition monitoring. No shutdowns, no recertification scramble, no blind spots.
NFPA 70B shifted from recommended practice to a mandatory electrical maintenance standard, requiring thermographic inspection of electrical equipment and more frequent scans for Condition 3 assets. An annual IR scan validates your system for a single day and leaves a 364-day window where loose connections, thermal runaway, or phase imbalance can develop unnoticed. Manual inspection also forces technicians into energized gear and arc-flash zones, requires greater than 40% load at the time of the scan, and often demands costly shutdowns or IR window installations that still do not deliver real-time visibility.
Periodic scanning has always carried the same structural weaknesses. SwitchMon® removes all four.
Manual scanning happens once or twice a year. Everything that develops in between is unmonitored liability.
Without IR windows in your equipment, scanning means de-energizing gear and taking downtime.
Below 40% load or without direct line of sight, an inspection may not even count toward compliance.
Recurring scans are an operating expense you pay into perpetuity, for protection that lasts one day.
Stop paying, in perpetuity, for protection that covers one day a year.
By replacing recurring manual IR scans with automated SwitchMon® monitoring, most facilities convert a recurring annual operating expense into a one-time capital project with minimal ongoing support cost. Catching a single impending failure before it cascades into an outage can avoid hundreds of thousands of dollars in downtime, equipment, and lost production, while improving uptime and keeping a constant handle on operating conditions.
Monitors phase-to-phase and ambient ΔT every minute, alerts on abnormal temperature rise and thermal runaway, and builds a defensible record for NFPA 70B inspections, audit responses, and insurance reviews.
Right-size coverage and resolution per asset criticality. A single cable carries both data and power to each sensor. Add temperature, humidity, particulate, optical dust, atmospheric corrosion, water detection, and shock or vibration sensing as needed.
Patented IR-window mounting sensors retrofit onto existing windows with no outage and no re-engineering. For equipment without windows, internal sensors install once, then scan continuously.
Run SwitchMon® standalone through a simple interface with ΔT monitoring and alarms, or connect it to Schneider PME, your SCADA system, or any energy platform for long-term storage, compliance auditing, and reporting.
Coverage is only as strong as sensor placement. APT’s interactive Thermography FOV Calculator matches the right sensor and mounting distance to each asset, so every critical component is in view before you specify a single piece of hardware.
APT knows NFPA 70B and 70E and brings decades of industrial and commercial power experience. Regardless of complexity, APT has the engineering background to make the solution work.
As the U.S. and Canadian distributor of SwitchMon®, APT does not just supply a bucket of hardware. APT delivers design, installation, commissioning, and integration, plus ongoing service so your team can focus on operations.
One-size-fits-all does not work for critical infrastructure. APT brings code and standards expertise plus technical depth across every energy system vendor, working with the investments you already have.
APT stands behind customers well beyond a single project, with support backed by real engineers, regardless of who sold or installed the system. Every SwitchMon® deployment is reinforced by APT’s ESSENTIALS PLUS+ service program, so monitoring, maintenance, and expert support continue long after day one.
A complete walkthrough of the SwitchMon® solution, architecture, and deployment.
A simple visual layout of a typical SwitchMon® deployment.
Whether you are racing an NFPA 70B deadline or simply tired of paying for scans that protect you one day a year, APT brings the engineering and the accountability to deploy SwitchMon® and keep you continuously compliant.
Prefer to talk now? Call APT at (408) 342-0790 or email aptsales@apt4power.com.
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