157Z7286
Wake Industrial LLC is not an authorized distributor of this product.
MPN: VLT6011GT4CN1STR1DLF00A00C0
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In-Stock, Ships 1-2 Days
The Danfoss 157Z7286, part of the VLT 6000 HVAC Drives series, operates with a line supply voltage of 3 x 380-460 V and a typical shaft output power of 20 HP (15 kW). It offers an efficiency of 96% at rated frequency. The enclosure options include NEMA 1 and NEMA 12 for versatile protection.
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Product Description:
The part number 157Z7286 is an HVAC drive that involves regulated conversion of electrical power into controlled mechanical output. The company is a top player in motion control and automation technology and is recognized for its creative solutions in the industrial field.
The 157Z7286 AC drive functions with a rated capacity of 75 kW and 10 HP at an input voltage of 380/460V. The code 157Z7286 basically points to the model VLT6011GT4CN1STR1DLF00A00C0. It operates with efficiency across industrial setups where precise speed and torque control are essential for continuous process operations. The unit uses the terminals U, V, W along with L1, L2, L3 for insulation and dielectric verification are short-circuited together. A high voltage test of 2.5 kV DC for one second is carried out between this short-circuited point and the chassis. This process ensures winding insulation safety and verifies durability under electrical stress. It requires a minimum clearance of 400 mm above the enclosure for installation. This spacing allows reliable airflow and adequate ventilation to maintain internal thermal stability across operating conditions. It is constructed for placement on a flat and stable floor surface by ensuring correct mechanical alignment.
The 157Z7286 AC drive is easy to use with different enclosure protection levels which work by including IP00, IP20 and IP54 by permitting flexible mounting across industrial platforms. Each version provides suitable electrical and mechanical protection based on the required installation standards. Its specification sequence highlights essential technical factors that ensure safe integration into machinery where predictable performance and verified reliability are necessary. It is designed with an extreme moisture-bearing capacity of up to 95% and can resume its operations smoothly.
Frequently Asked Questions about 157Z7286:
Q: What bearing arrangement is employed in Danfoss drive 157Z7286 for extended service life?
A: The unit integrates preloaded precision ball bearings with lubrication reservoirs, engineered to withstand axial and radial stresses in continuous operation duty cycles.
Q: How does drive 157Z7286 achieve high torque density relative to frame size?
A: It utilizes compact laminated cores, high-energy permanent magnets, and optimized winding density, delivering maximum torque output within reduced dimensional envelope.
Q: Where are cooling fans located in Danfoss drive 157Z7286 for airflow management?
A: The forced-air fans are mounted axially at the rear end of the frame, directing airflow longitudinally across stator windings and dissipating internal heat loads.
Q: How is regenerative braking energy managed in drive 157Z7286 drive systems?
A: The energy is either dissipated via external brake choppers and resistors or fed back into the DC bus, depending on system integration design.
Q: What insulation class is implemented in drive 157Z7286 for winding protection?
A: The stator windings conform to Class F insulation with thermal endurance up to 155°C, ensuring longevity under continuous load with permissible hot-spot margins.
