Allen-Bradley 1336-SN-SP14A
1. Overview
The 1336‑SN‑SP14A is an Inverter Snubber from Allen‑Bradley, typically rated for 460V industrial applications. It serves as a connection component between the motor and the inverter, providing essential electrical protection and helping to ensure stable system operation.
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2. Key Specifications and Features
Voltage Rating:Commonly 460V, a widely used industrial voltage standard.
Structural Features:
- Electrical Connections: Provides connection points, usually for linking the inverter output.
- Voltage Withstand: Capable of handling high‑voltage surges to protect the inverter from sudden voltage spikes.
- EMI Suppression: Absorbs and reduces electromagnetic interference, helping the motor run smoothly.
- Benefits: Ensures reliable electrical connections and helps extend the service life of both the motor and the inverter.
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3. Structure and Components
- Housing: Typically made of metal or durable plastic with good insulation properties.
- Terminals: Equipped with screw terminals or crimp terminals for easy wiring to the motor or inverter.
- Snubber Elements: Internal components such as capacitors that provide electromagnetic damping.
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4. Application Areas
- Industrial Automation: Used in PLC control systems to connect inverters and motors.
- Manufacturing: Serves as an electrical connection component in CNC machines, packaging equipment, and other automated machinery.
- Energy Management: Ensures smooth motor startup and operation in variable‑frequency drive systems.
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5. Installation and Maintenance
Installation
- Mounting Position: Usually installed between the inverter output and the motor input.
- Wiring: Ensure terminal connections are tight to prevent arcing during operation.
Maintenance
- Regular Inspection: Check terminals for looseness, oxidation, or signs of burning.

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