Allen-Bradley 1336-B003-E0D

1. Overview

Product Positioning: The Allen‑Bradley 1336‑B003‑E0D is a specific configuration within the 1336 Series, belonging to the Series A (Constant Torque) family of adjustable‑frequency drives.

Key Function: This high‑performance three‑phase variable‑frequency drive (VFD) is designed to control standard three‑phase induction motors. It uses microprocessor‑based control to provide variable motor speed and consistent torque output.

Technical Architecture: The drive employs microprocessor‑controlled inverter technology with an integrated three‑phase PWM (Pulse Width Modulation) circuit. This allows precise control over motor starting, acceleration, deceleration, and stopping.

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2. Parameters

Power Rating: The B003 designation typically corresponds to a 3 HP (approximately 2.2 kW) power level.

Voltage Range: Compatible with 380V–415V industrial power systems. (Compatibility with 460V may vary and should be confirmed based on specific unit specifications.)

Current Rating: Typical rated current is 6–7A, matching the 3 HP power class.

Torque Characteristics: As part of the Series A (Constant Torque) line, this model is ideal for applications requiring stable torque across varying speeds, such as conveyors and compressors. 

Enclosure Rating: The “E” enclosure code generally indicates NEMA 1 (IP20), suitable for indoor use in non‑hazardous environments.

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3. Product Features

Constant Torque Performance: Series A drives maintain consistent torque output across a wide speed range, a critical advantage for applications where load stability is essential.

Programmability: The drive supports digital programming via the front‑panel keypad or serial communication ports such as 1553, DH+, DeviceNet, ControlNet, and EtherNet/IP.

Comprehensive Diagnostics: A detailed fault code system provides clear status information via the front panel or communication links, enabling quick troubleshooting.

Surge Protection: Equipped with MOV (Metal Oxide Varistor) technology to protect against line‑to‑line and line‑to‑ground voltage surges.

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4. Structure & Composition

Input Filter Circuit: Reduces voltage surges and electromagnetic interference from the power grid.

Rectifier: Converts incoming AC power to DC.

DC Bus: Stores DC energy using capacitors and includes overvoltage protection.

Inverter: Uses IGBT or MOSFET switching devices to generate three‑phase PWM output for precise motor control.

Control Circuit: A microprocessor manages PWM signals and executes closed‑loop control algorithms.

Cooling System: A built‑in fan ensures reliable heat dissipation during high‑power operation.

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5. Application Fields

Conveyor Systems: Maintain consistent force even when operating at variable speeds.

Compressors & Fans: Keep pressure or airflow stable across different rotational speeds.

Material Handling: Suitable for hoists, augers, and other equipment requiring steady torque.

Industrial Production Lines: Provides accurate speed control for manufacturing processes.

Oil & Gas / Petrochemicals: Used in pump drives, mixers, and other process equipment.

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