Product Details
Overview
The 81001-956-53-R from Allen-Bradley is a high-performance snubber resistor assembly engineered for AC drives, soft starters, DC motors, and generators. Constructed with durable ceramic material, this resistor provides precise energy dissipation and protects power electronics from voltage spikes, ensuring reliable and consistent operation in industrial automation systems.
Technical Specifications
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Model / Part Number: 81001-956-53-R
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Manufacturer: Allen-Bradley / Rockwell Automation
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Product Type: Snubber Resistor Assembly
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Power Rating: 800 W
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Resistance: 45 Ω
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Material: Ceramic
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Terminals: Screw-type for secure connections
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Mounting: Wall-mount compatible
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Dimensions: Length 5.25 in (133 mm), Width 2.75 in (70 mm), Height 2.00 in (51 mm)
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Weight: 2.2 lbs (1.0 kg)
Applications
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AC drives and inverters
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Soft starter protection
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DC motor control systems
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Generators and power distribution equipment
FAQ
Q: What is the function of this snubber resistor?
A: It absorbs voltage transients and reduces electrical stress on switching components, enhancing system reliability.
Q: Is it compatible with Allen-Bradley AC drives?
A: Yes, it is designed specifically for use with Allen-Bradley drives and related industrial control systems.
Q: What mounting options are available?
A: The assembly is designed for secure wall-mount installation with screw terminals.
Q: What is the maximum power it can handle?
A: The 81001-956-53-R supports up to 800 W of power dissipation.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
The Shift to Flexible IO Modules in Modern Industrial Automation
Traditional control systems rely on dedicated Input Output (IO) cards for industrial automation. Each conventional module processes a single signal type, such as Digital Input (DI), Digital Output (DO), Analog Input (AI), or Analog Output (AO). A standard 16-channel card accepts only one specific channel type across all ports. This inflexible hardware design often creates severe engineering bottlenecks during project execution. Engineers frequently must install entirely new cards to accommodate a single extra sensor. Consequently, late design changes increase control cabinet space requirements and drive up project costs.
DCS Commissioning Steps in Industrial Automation Projects
Commissioning a Distributed Control System (DCS) represents a crucial milestone when deploying modern process automation infrastructure. Field engineers must execute systematic verification steps to transition complex control hardware from static installation to dynamic plant control. Proper commissioning ensures that controllers, I/O modules, network switches, and HMI software operate in strict compliance with engineering design specifications before introducing live process fluids.
PLC and DCS Control System Spares Strategy: Engineering Guidelines
Modern factory automation relies on high-speed fiber optic backbones to link distributed control systems across noise-intensive industrial environments. Unlike copper wiring, optical fibers transmit data via light pulses, making them completely immune to electromagnetic interference (EMI). Field engineers must master optical cable joining and fusion splicing techniques to guarantee low-loss data transmission across critical Programmable Logic Controller (PLC) and Distributed Control System (DCS) nodes.