Plug-and-play power supplies with integrated, multi-channel circuit breakers
Trio3 power supplies from Phoenix Contact are compact, plug-and-play, energy efficient, easy to install and maintain, and are reported to be the world’s first power supplies with integrated, multi-channel circuit breakers. They’re available in single- and three-phase models with four- or eight-channel device protection, and options for 1VAC and 3VAC applications up to 960 W with an output range of 24–28 VDC.
Trio3 also possesses smart diagnostics, like the rest of the Trio Power range, and features:
Robust device protection. Configurable, NEC Class II outputs provide safe, flexible protection for four or eight channels and, in an emergency, reliably drop problematic channels in priority order to protect the entire system from overload. Compliance with UL and Class 1 Division 2 standards ensures safe operation in hazardous environments.
Space Savings. Integrating the circuit breaker into the power supply and employing front-facing connection technology reduces required rail space. Trio3’s compact form factor includes low width and installed depth, and supports side-by-side mounting to maximize available space in small, shallow control cabinets with depths down to 210 mm.
Cost Savings. Integrated circuit breakers enable cost savings by eliminating the need to purchase added power supplies with multiple breakers, trip characteristics or currents. They also eliminate the problem of blown fuses. In addition, Trio3 uses 70% less wiring than the rest of the range.
Ease of use. These plug-and-play power supplies are equipped with push-in connections that allow quick, reliable connections without tools. They also feature integrated marking fields that can be used for electrical idle detector (EID) and circuit marking, potentiometers with mechanical locks to ensure tamper-proof performance, pictograms that communicate appropriate stripping lengths, and an intuitive commissioning concept.
Energy efficiency. Users can effortlessly set the current of each channel to satisfy specific applications without worrying about power disruption or wasted energy, further reducing costs and supporting sustainability efforts. Trio3 also has a dynamic boost feature with a powerful output characteristic curve that can efficiently provide up to 150% of the nominal power for five seconds to support short-term power increases, such as starting motors, while mitigating their impacts, such as reducing motors’ ramp-up times and power draws.
Smart diagnostics. A multicolor, LED status display, collective relay contact, and optional IO-Link communications support intelligent, visual and preventive monitoring. Trio3 prioritizes and manages loads, while adapting to fluctuating demands to maintain high system availability. They also shut down in the event of an overload, further enhancing overall reliability, minimizing potential damage to equipment and employees, and mitigating unscheduled repairs.
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