Eaton EAFR-110P-B Arc Flash Relay - 18-72Vdc
Part Number: EAFR-110P-B
Quick Summary
Eaton arc flash relay detects arc flash events to quickly isolate circuits in electrical panels. Engineers face nuisance trips, downtime, and wiring complexity; this unit simplifies sensing with one current input and six outputs. Compliances are managed by the manufacturer; verify applicable standards such as CE, SIL, or IP ratings for your installation. This arc flash relay supports precise current sensing and robust signaling to deliver faster protection and safer operations, a strong value for panel builders and maintenance teams. Designed for industrial environments, it integrates as a point sensor unit within control panels, enabling reliable arc detection and rapid tripping to reduce damage risk.
Product Information
Extended Description
EAFR-110P-B Eaton: Eaton, arc flash relay, 5A, 1A, 18-72 Vdc, Arc Flash, 0, 1, 0, 6, 0, 18-72Vdc, Normally Open, Arc flash relay, point sensor unit, Current Sensing Inputs, Light Sensing Inputs
Product Name
Eaton arc flash relay
Catalog Number
EAFR-110P-B
UPC
786679168462
Product Length/Depth
6.46 in
Product Height
6.18 in
Product Width
3.23 in
Product Weight
2 lb
Compliances
Contact Manufacturer
Application
Arc flash
Type
Arc flash relay, point sensor unit
Analog inputs
0
Analog outputs
0
Current sensing inputs
1
Digital inputs
0
Digital outputs
6
Phase current
5A, 1A
Sensing inputs
Current Sensing Inputs Light Sensing Inputs
Trip contact
Normally Open
Zone selective interlocking
0
Power supply range
18-72Vdc
Power consumption
18-72 Vdc
Voltage sensing inputs
0
Voltage sensing inputs
0
Feature: 18-72Vdc power supply range enables flexible integration across plant power rails. Business impact: reduces the need for multiple supply units and simplifies stocking for maintenance teams. Application: ideal for modular control panels and MCCs where space and wiring efficiency matter. Feature: 1 current sensing input with selectable phase current values (5A, 1A) improves detection accuracy. Business impact: minimizes nuisance trips and improves selective coordination with existing protection schemes. Application: suitable for motor protection in switchgear environments. Feature: light sensing inputs in addition to current sensing inputs enhance reliability under variable ambient conditions. Business impact: reduces false trips during bright factory lighting or reflective surfaces. Application: critical for environments with fluctuating light levels in production lines. Feature: 6 digital outputs provide direct signaling to relays and PLCs. Business impact: simplifies control wiring and shortens installation time, lowering risk of wiring errors. Application: enables rapid actuation of contactors and status indication in protection schemes. Feature: normally open trip contact ensures a safe default state. Business impact: improves wiring simplicity and safety during maintenance or retrofit projects. Application: standard practice in arc flash protection deployments. Feature: compact point sensor unit design supports quick mounting in crowded panels. Business impact: accelerates commissioning and reduces panel footprint. Application: preferred in retrofit projects or new builds where space is at a premium.
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FAQs
Plan for a 18-72Vdc power supply and route current sensing wiring to the one available current sensing input. Use the normally open trip contact to drive a control relay or contactor. Ensure mounting within a suitable enclosure to protect the point sensor unit from dust and moisture. Verify panel space for six digital outputs and clean separation from high-energy circuits.
Key specs include a 18-72Vdc power range, one current sensing input, six digital outputs, and a normally open trip contact. The unit is designed as a point sensor with arc flash detection capability, enabling rapid circuit isolation. Phase current recognition supports 5A and 1A sensing configurations for flexible protection schemes.
The product listing shows Zone Selective Interlocking as 0, indicating it does not include ZSI functionality. It remains compatible as a standalone arc flash relay with current sensing and signaling outputs. For advanced coordination, verify with your protection engineer whether additional ZSI devices or modules are required in your protection scheme.
Compliances are listed as Contact Manufacturer, so confirm applicable standards with Eaton prior to purchase. In typical industrial settings arc flash protection devices align with safety standards such as CE marking and related protective certifications; verify CE/UL or other regional certifications as required for your installation and facility requirements.
It reduces downtime by rapidly detecting arc events and isolating circuits, lowers wiring complexity with six digital outputs, and streamlines retrofit projects through a compact point sensor unit. With a single 18-72Vdc supply and one current sensing input, maintenance costs are lowered and uptime is improved for critical manufacturing lines.