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Redefining What’s Possible
and Achieving Results
We are fast where others are slow, flexible where others are rigid, and committed where others are distant.
Redefining What’s Possible
We are fast where others are slow, flexible where others are rigid, and committed where others are distant.
Engineered for the Elements: Perfect for Tropical, Equatorial, and Dusty Climates.
Discover the engineering advantages that set the AT27 DD apart - and keep your operations running at peak performance.
The VFD offers versatile motor control functionality and is compatible with Induction, Synchronous (with external exciter), and Permanent Magnet Motors (PMM). Furthermore, it utilizes multi-level Pulse Width Modulation (PWM) to provide a "pure sine" output waveform, meaning no additional output filters are required.
The AT27 DD features an enclosure type of NEMA 3R (IP54) and is suitable for indoor or outdoor installation. It is specifically designed for humid and/or dusty industrial locations where conductive dust is not present.
NEMA 3R (IP54)
The drive can operate reliably in a temperature range of +1 °C to +40 °C (34 °F to 104 °F), and can operate up to +50 °C (122 °F) with reduced power.
A precisely engineered, versatile, and reliable solution that requires no additional construction or HVAC system, only minimal mounting and connection of input and output power cables.
Featuring a welded frame, door seals, and separated compartments for power and cooling components, the design includes anti-condensation heating, labyrinth air passages, and filters to protect against dust and moisture.
Equipped with a grounding switch for safe maintenance and surge protection to guard against lightning and over-voltage.
The AT27 DD achieves a high VFD efficiency of ≥97%. It maintains excellent power quality, with a high power factor of 0.96 and low input current harmonic distortion (THDi <5%).
Look inside the AT27 DD to see how smart design becomes real-world performance, efficiency, and uptime.
your reality, your challenges, your success.
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Built through partnership. Proven by engineering. Trusted in the toughest conditions. Full-cycle production. Total reliability. Systems that perform where others fall short.
Meet our team
Meet the team behind innovations that drive industries forward. Engineers, designers, and experts turning challenges into solutions.
Triol’s partners
We collaborate with leading Oil & Gas and industrial companies worldwide to deliver efficient, proven solutions tailored to their unique challenges.
Sustainability
Because real sustainability starts at the design table - not at the marketing one - we engineer systems that conserve, protect, and outperform over time.
