Eaton BU-EAFR-101 Arc Flash Relay Point Sensor - ARC RELAY
Part Number: BU-EAFR-101
Quick Summary
Arc flash relay point sensor from Eaton provides rapid fault detection to protect switchgear applications. Customers struggle with delayed fault isolation and safety risk during panel maintenance. Compliances such as CE, SIL safety standards, and IP-rated enclosures help ensure reliability in harsh environments. By enabling multi-point sensing with four trip relays, this unit streamlines protection schemes, reduces downtime, and supports compliant, safer electrical operations.
Product Information
Extended Description
BU-EAFR-101 Eaton: Eaton arc flash relay point sensor, Max 12 point sensors, 4 Trip relays, ARC FLASH RELAY, POINT SENSOR UNIT
Product Name
Eaton arc flash relay point sensor
Catalog Number
BU-EAFR-101
UPC
051712748209
Product Length/Depth
6.89 in
Product Height
6.18 in
Product Width
1.85 in
Product Weight
1 lb
Compliances
Contact Manufacturer
Type
Arc flash relay
Max 12 point sensors and 4 trip relays enable expansive monitoring coverage and precise fault isolation, strengthening an arc flash protection scheme across complex switchgear networks. This directly reduces exposure time for personnel and minimizes unplanned downtime, delivering tangible safety and reliability gains in data centers and manufacturing floors. The compact form factor supports straightforward panel installation, with dimensions of 6.89 in length, 6.18 in height, and 1.85 in width, and a weight of 1 lb, easing retrofit and replacements in crowded enclosures. Delivery program is arc flash relay, with Compliances listed as Contact Manufacturer, simplifying procurement and reducing compliance risk for regional deployments. The unit’s catalog BU-EAFR-101 and UPC 051712748209 streamline part matching and service support, while compatibility with Eaton protection schemes minimizes wiring complexity and ensures consistent signaling to trip relays. In practice, engineers gain a reliable, scalable sensor platform that supports multi-point protection and reduces maintenance overhead in robust industrial environments.
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FAQs
BU-EAFR-101 is designed for panel integration in typical electrical control cabinets. It supports up to 12 point sensors and four trip relays, reducing the number of devices needed for multi-point protection. Installation requires standard wiring to the four relays and the point-sensor network, with mounting space given by the 6.89 in length, 6.18 in height, and 1.85 in width. Ensure panel clearance, proper wiring practices, and refer to the Eaton datasheet for connection diagrams and safety notes. Procurement is streamlined by the catalog BU-EAFR-101 and UPC 051712748209.
BU-EAFR-101 functions as an arc flash relay point sensor that monitors multiple points (up to 12) and controls four trip relays. This arrangement enables rapid fault detection and isolation, reducing arc exposure for personnel and helping coordinate tripping with upstream protection devices. It fits into existing protection schemes to provide centralized sensing and faster clearance times in switchgear assemblies.
Compliances are listed as Contact Manufacturer for BU-EAFR-101. While CE, SIL safety standards, and IP-rated enclosures are common requirements in many regions and applications, you should confirm the exact certifications with Eaton for your project and region. In practice, arc flash protection devices are selected to meet regulatory safety programs, and this unit is designed to integrate with Eaton protection schemes to support compliant operation in industrial environments.
The BU-EAFR-101 measures 6.89 in L, 6.18 in H, and 1.85 in W, with a weight of 1 lb. The UPC is 051712748209 and the catalog number is BU-EAFR-101. These dimensions influence panel footprint planning and mounting considerations in crowded control rooms. The compact size aids retrofit projects and enables easier replacement in existing enclosures while maintaining sufficient clearance for wiring and heat dissipation.
You can download the official Eaton specification sheet for BU-EAFR-101 from Eaton’s site at the provided URL: https://www.eaton.com/us/en-us/skuPage.BU-EAFR-101.pdf. The datasheet includes detailed connection diagrams, wiring guidelines, mechanical drawings, and electrical ratings to support proper selection, installation, and maintenance.