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- Allen-Bradley
- Allen-Bradley SLC 500
- 81001-956-53-R/80026-453-05
In Stock
Ships by Tuesday, June 9
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Warranty Policy
We provide 1 year warranty for all remaining parts.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
Return Notice
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
How to order?
We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online.
If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.
Parts Availability
Amikon offers a wide range of components, products and services related to industrial automation. We have a large surplus of stocks and are also distributors of new products from a variety of quality manufacturers.
Technical specifications for 81001-956-53-R/80026-453-05
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Product Model81001-956-53-R/80026-453-05
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Spare Model81001-956-53-R
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Product ParametersSnubber Resistor Assembly
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Tariff Code8537101190
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Country of originUSA
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Place of shipmentXiamen, China
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In stock1 unit
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Estimated Shipping Size26x9.5x14.5cm
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ManufacturerAllen-Bradley
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Weight1.4 kg
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Resistance Value53Ω (±10%)
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Power Rating500W (Continuous)
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Surge Capacity5kW (10 sec)
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Voltage Rating1200V DC
Description
The Allen-Bradley 81001-956-53-R is a Packaged Snubber Resistor Assembly manufactured by Rockwell Automation under the Allen-Bradley brand. It is designed for industrial power-electronic systems, where its primary function is to absorb transient voltage spikes during switching operations, suppress electromagnetic interference (EMI), and protect sensitive power semiconductor devices (such as SCRs, IGBTs, etc.) from damage caused by voltage overshoots.
The 800 W continuous power rating allows the assembly to endure high-energy surges generated by frequent switching operations in industrial drives. The 45 Ω resistance value is optimized to provide effective damping and voltage clamping for the power devices of medium-voltage variable-frequency drives.
The 800 W continuous power rating allows the assembly to endure high-energy surges generated by frequent switching operations in industrial drives. The 45 Ω resistance value is optimized to provide effective damping and voltage clamping for the power devices of medium-voltage variable-frequency drives.
Alternative Names
81001-956-53-R 80026-453-05
8I00I-956-53-R 80026-453-05
8I00I-956-53-R
8OO26-453-O5
81001-956-53-R
Information
Overview
Manuals
Engineering Considerations
Product Applications
Electrical Connections & Torque Specs
Features:
- Snubber Resistor Assembly
- 800W,45-OHM
- Multiple Fieldbus Protocol Support
- Dual Ethernet LAN Ports (LAN1 and LAN2)
- Embedded Software Modules
- 11 LED Status Indicators and Reset Buttons
The compact packaged design integrates the high-power resistor element into a metal or ceramic housing with screw terminals, enabling direct installation inside electrical cabinets. The screw-terminal design ensures reliable connection to busbars or cables, capable of withstanding mechanical vibration and thermal cycling stresses in industrial environments.
The 81001-956-53-R Allen-Bradley PKG SNUBR RES ASSY may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
Allen-Bradley 81001-956-53-R PKG SNUBR RES ASSY Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Thermal Dissipation: Because of the high wattage involved, adequate ventilation and ambient air clearance are critical to prevent overheating.Transient Voltage Spikes: Snubber resistors operate in harsh electrical environments. Ensure that the associated clamping diodes and capacitors are tested to prevent the resistor from being subjected to voltages outside its design envelope.Proper Grounding: The wall-mount design requires secure, low-impedance grounding to safely dissipate transient energy away from the VFD's delicate control boards.
- Water and Wastewater:Sewage pumps, distribution pumps & aeration blowers
- Oil, Gas, and Petrochemicals:Refineries, pipeline compressors & fluid systems
- Mining and Heavy Industry:Conveyors, grinding mills & ventilation fans
- Large Motor and Generator Control:Dissipates transient energy; protects SCRs/thyristors
This content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
Co-Replacement Rule: If you are replacing a failed snubber resistor, always inspect and consider replacing its matching voltage-sharing resistor simultaneously, as they function in tandem.
Terminal Fastening: Secure the heavy-gauge power leads to the resistor's screw terminals. Loose connections will cause localized overheating and resistor failure.
Torque Rating: Torque all mechanical bracket fasteners and electrical screw terminals firmly to the drive manufacturer's specific chassis specifications (typically 2.5 to 4.0 N·m / 22 to 35 lb·in for related modular snubber board interfaces). Avoid over-tightening to protect the brittle ceramic core matrix.
Technical notes
The silicone coating provides good insulation protection and environmental sealing, making it suitable for high-humidity, high-contamination industrial sites. This resistor element, together with the enclosure, terminal block, and mounting hardware of the 81001-956-53-R assembly, forms a complete, ready-to-install unit.
FAQs
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What is 81001-956-53-R primary function?
+It is engineered to protect thyristors, IGBTs, and power MOSFETs from voltage surges, improving the overall reliability of your industrial systems. -
What are the core technical ratings?
+It is a high-power snubber resistor assembly featuring an 800-watt power rating and 45-ohm resistance. -
Do you offer global delivery?
+Yes. We delivery the 81001-956-53-R/80026-453-05 to the worldwide. and we are able to quickly deliver parts globally to any corner of the world. Unless otherwise specified, we will ship your order via (Fedex). We can also ship through FedEx, UPS, and TNT, etc. We can also use your account. -
Is this product brand new?
+Yes, AB 81001-956-53-R/80026-453-05 is brand new, original, unused, and factory sealed
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Disclaimer: Amikon Limited sells new and surplus products and develops channels for purchasing such products. Amikon Limited is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because Amikon Limited is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. Amikon Limited is not an authorized distributor, dealer, or representative of the products displayed on this website. All product names, trademarks, brands, and logos used on this website are the property of their respective owners. The description, explanation, or sale of products with these names, trademarks, brands, and logos is for identification purposes only and is not intended to indicate any association with or authorization from any rights holder.
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32D UNITS,GUOMAO BUILDING,NO 388 HUBIN SOUTH ROAD,SIMING DISTRICT,XIAMEN