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Datasheet generated 2026-10-07
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DA1 variable-frequency drive, 3-3 400V, 37 kW (DA1-34072FB-B55C)

Eaton · Drives & Controllers · Variable Frequency Drives · Ireland · eaton.com
Part Number
DA1-34072FB-B55C  ·  HS 8504.40
DA1 variable-frequency drive, 3-3 400V, 37 kW (DA1-34072FB-B55C)

Technical Specifications

Manufacturer part number (MPN)DA1-34072FB-B55C
EAN / GTIN4015081658374
HS code8504.40
Sales unitpcs
Eaton catalogue number169395
Depth270 mm
Height540 mm
Width235 mm
Weight22.5 kg
Catalog NotesThe brake resistors are assigned based on the maximum rated power of the variable frequency drive. Additional brake resistors and designs (e.g. different duty cycles) are available upon request.
Apparent power at 400 V48.5 kVA
Apparent power at 480 V58.2 kVA
Braking resistance12 Ω
Braking torqueMax. 100 % of rated operational current Ie, variable, DC - Main circuit; Max. 100 % of rated operational current Ie with external braking resistor - Main circuit; Max. 30 % MN, Standard - Main circuit
Switch-on threshold for the braking transistor780 VDC
AltitudeMax. 1000 m; Above 1000 m with 1 % derating per 100 m; Max. 4000 m
Ambient operating temperature - max40 °C
Ambient storage temperature - max60 °C
Ambient operating temperature - min-10 °C
Ambient operating temperature at 150% overload - max40 °C
Ambient operating temperature at 150% overload - min-10 °C
Ambient storage temperature - min-40 °C
Climatic proofing< 95 average relative humidity (RH), no condensation, no corrosion
Number of inputs (analog)2
Number of inputs (digital)5
Number of outputs (analog)2
Number of outputs (digital)2
Number of relay outputs2 (parameterizable, 1 N/O and 1 changeover contact, 6 A (250 V, AC-1) / 5 A (30 V, DC-1))
Rated control voltage (Uc)24 V DC (external, max. 100 mA)
Equipment heat dissipation, current-dependent Pvid925 W
Heat dissipation capacity Pdiss0 W
Heat dissipation per pole, current-dependent Pvid0 W
Rated operational current for specified heat dissipation (In)72 A
Static heat dissipation, non-current-dependent Pvs0 W
Communication interfaceDeviceNet, optional; Ethernet IP, optional; PROFIBUS, optional; PROFINET, optional; SmartWire-DT, optional; EtherCAT, optional; CANopen®, built in; Modbus-TCP, optional; OP-Bus (RS485), built in; Modbus RTU, built in
Connection to SmartWire-DTYes; In conjunction with DX-NET-SWD1 SmartWire DT module
Degree of protectionNEMA 12; IP55
Electromagnetic compatibility1st and 2nd environments (according to EN 61800-3)
Fitted withOLED display; Control unit; Breaking resistance; Radio interference suppression filter; Brake chopper; Internal DC link; IGBT inverter; DC link choke; Additional PCB protection; PC connection
Frame sizeFS5
Functions4-quadrant operation possible
Mounting positionVertical
Product CategoryVariable frequency drives
ProtectionFinger and back-of-hand proof, Protection against direct contact (BGV A3, VBG4)
ProtocolMODBUS; Other bus systems; PROFIBUS; EtherNet/IP; CAN; PROFINET IO; DeviceNet; TCP/IP
Radio interference classC2
C3depending on the motor cable length, the connected load, and ambient conditions. External radio interference suppression filters (optional) may be necessary.; Optional external radio interference suppression filter for longer motor cable lengths and for use in different EMC environments
Safety function/levelSTO (Safe Torque Off, SIL2, PLc Cat 2)
Suitable forBranch circuits, (UL/CSA)
Efficiency97.5 % (η)
Heat dissipation at current/speed260 W at 100% current and 0% speed; 280 W at 25% current and 0% speed; 280 W at 25% current and 50% speed; 370 W at 50% current and 0% speed; 410 W at 50% current and 50% speed; 460 W at 50% current and 90% speed; 830 W at 100% current and 50% speed; 990 W at 100% current and 90% speed
Input current ILN at 150% overload77.3 A
Leakage current at ground IPE - max0.49 mA
Mains switch-on frequencyMaximum of one time every 30 seconds
Mains voltage - max480 V
Mains voltage - min380 V
Operating modeU/f control; Sensorless vector control (SLV); Speed control with slip compensation; Optional: Vector control with feedback (CLV)
Output frequency - max500 Hz
Output frequency - min0 Hz
Output voltage (U2)480 V AC, 3-phase; 400 V AC, 3-phase
Overload current IL at 150% overload105 A
Rated control supply voltage10 V DC (Us, max. 10 mA)
Rated frequency - max62 Hz
Rated frequency - min48 Hz
Rated operational current (Ie) at 150% overload72 A
Rated operational power at 380/400 V, 50 Hz
3-phase37 kW
Rated operational voltage400 V AC, 3-phase; 480 V AC, 3-phase
Resolution0.1 Hz (Frequency resolution, setpoint value)
Short-circuit protection rating100 A, UL (Class CC or J), Safety device (fuse or miniature circuit-breaker), Power Wiring
Starting current - max200 %, IH, max. starting current (High Overload), for 4 seconds every 40 seconds, Power section
Supply frequency50/60 Hz
Switching frequency8 kHz, 4 - 24 kHz adjustable (audible), fPWM, Power section, Main circuit
System configuration typeAC supply systems with earthed center point
Voltage rating - max480 VAC
Assigned motor current IM at 400 V, 50 Hz
150% overload68 A
Assigned motor current IM at 440 - 480 V, 60 Hz
150% overload65 A
Assigned motor power at 460/480 V, 60 Hz
3-phase50 HP

Properties

MOQ1

Cross-References

Attached Documents