Description
Product Name: 1336-B075-EOH-L3 Allen Braley Processor module
Product details:
The Allen-Bradley 1336-B075-EOH-L3 is a heavy-duty, adjustable frequency AC motor drive (also known as a Variable Frequency Drive or VFD) manufactured by Rockwell Automation. It is part of the classic Allen-Bradley Bulletin 1336 series, engineered to provide precise speed and torque control for three-phase induction motors.
The catalog number breaks down as follows:
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1336: Bulletin series for Adjustable Frequency AC Drives.
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B: Voltage rating (380 / 415 / 460V AC).
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075: Horsepower (HP) rating ($75\text{ HP}$).
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E0H (or EOH): Open-style chassis frame / enclosure type (IP00) for installation inside a larger control cabinet.
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L3: Factory-installed options (typically denotes specific Logic Interface board configurations, such as a $24\text{V DC}$ or $115\text{V AC}$ control interface).
⚙️ Product Parameters (Specifications)
| Specification Parameter | Value / Range |
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Drive Type | Adjustable Frequency AC Drive (VFD) |
| Horsepower Rating | $75\text{ HP}\ (approx.\ 56\text{ kW})$ |
| Input Voltage | $380 / 415 / 460\text{V AC}\ (\pm 10\%)$ |
| Input Phase | $3\text{-Phase}$ |
| Input Frequency | $50 / 60\text{ Hz}\ (48 – 62\text{ Hz}\ \text{operational range})$ |
| Output Current | Approximately $96\text{ to }120\text{ Amps}$ (Depending on voltage configuration) |
| Output Frequency | $0 – 250\text{ Hz}$ (Standard) / up to $400\text{ Hz}$ (Enhanced versions) |
| Output Waveform | Sine-coded PWM (Pulse Width Modulation) |
| Enclosure Rating | IP00 / Open Style (Requires external cabinet) |
| Efficiency | Approximately $97.5\%$ at full load |
🌟 Product Advantages
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Robust Industrial Reliability: Known for its heavy-duty thermal capacity and longevity in harsh industrial environments.
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Precise Motor Speed Control: Utilizes advanced PWM algorithms to ensure smooth acceleration, deceleration, and running speeds.
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Protective Diagnostics: Features real-time fault detection for overvoltage, undervoltage, short circuits, and ground faults to prevent motor damage.
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Integration Flexibility: The
L3logic interface allows seamless hardwired handshakes with standard industrial PLCs (Programmable Logic Controllers) and safety relays. -
Energy Efficiency: Drastically cuts power consumption when applied to variable torque loads like centrifugal pumps and fans.
⚠️ Safety Precautions & Maintenance
🚨 WARNING: High Voltage / Shock Hazard
AC Drives contain large DC capacitors. After disconnecting the primary power, wait at least 5 to 10 minutes to allow the DC bus voltage to discharge to safe levels before touching any internal components.
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Enclosure Ventilation: Because this is an open-style drive (
EOH), it produces heat. Ensure the cabinet housing it has active cooling fans and adequate airflow ($CFM$). -
Grounding (PE): Ground the motor frame directly to the drive’s ground terminal. Do not use a common chassis ground bus, as high-frequency noise will disrupt adjacent electronics.
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Cable Separation: Route motor output cables well away from low-voltage signal cables (like sensors or $4-20\text{ mA}$ loops) to prevent Electromagnetic Interference (EMI).
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Firmware & Parameter Matching: Ensure motor nameplate data (Voltage, Hertz, Amps) are accurately programmed into the drive before first-time startup to prevent burnouts.
🏭 Product Applications
The $75\text{ HP}$ rating makes this drive a workhorse across multiple heavy-industry sectors:
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HVAC & Water Treatment: Control of massive centrifugal water pumps, supply/return air fans, and industrial blowers.
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Material Handling: Main drives for belt conveyors, automated palletizers, and overhead cranes.
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Extruders & Mixers: Constant torque applications in plastics, rubber, and chemical batch mixing.
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Crushers & Mills: Heavy-torque startup profiles in mining, cement plants, and aggregate facilities.
Advantages: Foxboro, OVATION, TRICONEX, Allen-Bradley, ABB, Motorola, Siemens Moore, Ge Fanuc, Woodward, Bently Nevada and other major import brands!
We have the same series of models in stock. If you don’t find the model you need, please contact us and we will provide you with an official quotation！
Colour：new Warranty: 12 months
Lead Time：3-day working day Country of origin: Sweden
Price: Please contact us Product weight：0.515kg
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service
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