131B3931 Danfoss
Wake Industrial LLC is not an authorized distributor of this product.
MPN: FC-301P15KT4E55H1XGX1XXSXXXXAXBXCXXXXDX
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The Danfoss 131B3931 is part of the VLT FC 301 Automation Drives series and supports a power rating of 15 kW or 20 horsepower with three phase operation. It operates at a mains voltage range of 380 to 480 VAC and includes a graphical local control panel. This drive features an IP55 / Type 12 protection level and comes equipped with an RFI Class A1/B filter.
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Product Description:
The 131B3931 is an AC variable-frequency drive produced by Danfoss for the VLT FC 301 Automation Drives series. Within an automation cell, it modulates the output frequency and voltage supplied to an induction motor, allowing the motor’s shaft speed and torque to follow process demand without mechanical throttling. Closed-loop speed regulation supports precise motion and efficient operation across changing load conditions. The drive is suitable for conveyors, pumps, and fan arrays that require adjustable motor control in industrial systems.
The drive provides an output of 20 HP, which is mechanically equivalent to 15 kW, and accepts an input supply from 380 to 480 VAC. Operation with three-phase power helps balance current draw across industrial mains. An internal RFI Class A1/B filter limits conducted electrical emissions on the line side. The housing carries an IP55 / Type 12 rating, allowing installation in dusty or washdown areas when all cable entries and covers are properly secured. Standard gland plates provide straightforward cable routing into the enclosure. The drive does not include a brake chopper, so applications with high regenerative energy require an appropriate external braking arrangement or a deceleration profile that prevents excessive DC-bus voltage.
A door-mounted graphical local control panel provides access to operating parameters and real-time drive information without requiring a separate interface device. Status LEDs provide visible operating and fault indications for routine monitoring. The control boards do not have a conformal coating, so the drive should be protected from corrosive gases, condensation, and other contaminants that could damage exposed electronics. Standard cable entries support organized field wiring for mains, motor, and control conductors. The option fields identified as A, B, C0, C1, and D contain no added I/O or application modules. The internal database uses Series Identifier 301 for the product configuration, helping maintain compatibility with the applicable macros and accessories for this drive platform.
