1336E-B030-AE-EN-HA2-L7E Allen Bradley 1336 IMPACT Series Frequency AC Drive

336E-B030-AE-EN-HA2-L7E is an Allen‑Bradley Rockwell Automation Bulletin 1336 IMPACT high-performance vector AC variable frequency drive, 30 HP, 380–460V three‑phase input, designed for precision speed and torque control on heavy process machinery. This full configured unit is widely sourced as a drop‑in replacement spare for fans, pumps, extruders, mixers and web handling lines in manufacturing, petrochemical and paper industry plants.

Breakdown of catalog suffix options: B030 = 30 HP 460V B frame rating; AE = EMC compliant enclosed construction; EN = English firmware / localisation; HA2 = analog and digital I/O option card; L7E = contact closure interface board with encoder feedback for closed‑loop velocity regulation. The L7E option enables encoder feedback, pushing speed regulation down to 0.001% across a 100:1 speed range for applications requiring tight synchronisation, tension control and constant speed accuracy. Open‑loop operation is also supported for general-purpose variable speed duties.

Built with high-bandwidth vector control, the 1336 IMPACT supports separate motoring and regenerative torque limits, programmable acceleration / deceleration ramps, fault logging and configurable protection functions including overcurrent, overvoltage, undervoltage, overtemperature and motor overload. Output frequency range spans 0–250 Hz, with 150% overload capacity for 60 seconds for heavy start‑up and shock load conditions. PWM output delivers clean sinusoidal waveform to reduce motor heating and audible noise.

This drive belongs to the discontinued 1336 IMPACT platform; Rockwell ceased new production, so demand is almost entirely for maintenance, emergency breakdown replacement and spare inventory for existing installed assets. It is not recommended for new machine designs. Retrofit to modern PowerFlex drives requires wiring changes, encoder interface adaptation and program rework; it is not plug‑and‑play compatible. Common serviceable sub-assemblies inside this B030 frame include the base drive board 1336-BDB-SP49D, control board, power supply board, cooling fan and capacitor bank.

High-voltage DC bus is present inside the unit; all bus capacitors must be fully discharged before service. ESD precautions are mandatory when removing control, gate drive or option cards such as the HA2 and L7E boards. Capacitor ageing is the most frequent failure mode on these legacy drives after long field service life.

We supply Allen‑Bradley 1336E-B030-AE-EN-HA2-L7E 1336 IMPACT drive, original surplus and fully bench-tested refurbished units available on request. Each complete drive undergoes power-up test, I/O verification, encoder interface check, overload simulation and cooling inspection before anti-static packaging and shipment. We support compatibility cross-checking, spare sub-part sourcing and bulk quotation. Contact us for wiring diagrams, parameter backup files, dimension drawings and lead time for 1336E-B030-AE-EN-HA2-L7E.

1336E-B030-AE-EN-HA2-L7E

Our products are widely used in CNC mechanical metallurgy, petroleum and natural gas, and petrochemical industries,Chemical industry, paper and printing, textile printing and dyeing, machinery, electronic manufacturing, automobile manufacturing,Plastic machinery, electricity, water conservancy, water treatment/environmental protection, municipal engineering, boiler heating, energy, power transmission and distribution.The quoted price is not the actual price. Please contact the shopkeeper before placing the order to confirm the price and delivery time!!!

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