Eaton 1 Phase 80a 100ka Imax Ln Plus 50ka Imax ESF801-TN-E

Eaton 1 Phase 80a 100ka Imax Ln Plus 50ka Imax ESF801-TN-E

Brand : EATON
Availablity : on order
On Order items usually have to be ordered in and may take bit longer to get them delivered
Warranty: 05 Years, Installation instructions: Supplied with unit, Input voltage (Uc): 220 – 250VAC, Max Continuous Voltage (Mcov): 320VAC L-N, Current rating – continuous: 50, 63 or 80A, Residual current:
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Product Description

Manufacture # Eaton  | Model # ESF801-TN-E


The ESF series surge filters are Class II, single and three phase, 2 port SPDs, designed to provide complete site surge protection in a compact footprint. These models utilize UL1449 ed3 certified thermallyfused MOV devices in conjunction with air-wound inductors to provide a current-limited output, coordinated to surge levels below 3kA. This means that all downstream power circuits are protected to ANSI/IEEE C62.41 Category B level, the common level that medium power LV loads (UPS, rectifier, industrial machines) are designed to accept. The design results in an exceptionally low let through voltage. ( <600V, 3kA, 8/20us ).



  • Compact solution for Class II / Cat B,C & D, Point of Entry, distribution board and sub board ESF801-TN-E surge protection
  • ESF801-TN-E 2 mode protection L-N or L-E & N-E
  • High kA rating per phase 100kA, Imax
  • Exceptionally low let through voltage <600V @ 3kA / 8/20us, <800V @ 50kA / 8/20us, Inom
  • 50A to 80A single and three phase models
  • Fully enclosed and gear tray versions to suit switch boards
  • Can be configured for 3:1 phase bypass loads
  • Available in TN & TT systems versions
  • Eliminates RCD/ELCB tripping by being installed at the service bus UPSTREAM of RCD/ELCB’s. ( In accordance with latest wiring rules recommendations.)
  • Cost effective solution where multiple 20A series filters cause cost over run and increased cabinet foot print.



  • Nominal input voltage: 220-250
  • Product colour: Black
  • EMI/RFI noise filtering: 48
  • Operating temperature (T-T): -10 - 65
  • Operating relative humidity (H-H): 10 - 90


Manufacturer Warranty: 05 Years Limited Warranty

Technical Specifications

Location Category Internal mounting location only. Must be installed within a suitable enclosed space, allowing for cooling airflow
Dimensions - Including hinges (H x W x D, mm) 520 x 240 x 220
Weight (kg) 6
Warranty 5 years, workmanship and materials
Installation instructions Supplied with unit
Input voltage (Uc) 220 – 250VAC
Max Continuous Voltage (Mcov) 320VAC L-N
Service type TN-S, TN C-S SYSTEMS
Nominal discharge current Class II In L-N 50kA, N-E 50 kA
Current rating – continuous 50, 63 or 80A
Recommended maximum over current protection HRC gL fuse rated according to the unit’s rating
Residual current <10 mA
Short circuit withstand (1 sec) 29kA
Primary protection modes Line-Neutral, Neutral-Earth
In 8/20us (Line-Neutral or Line-Earth) 50kA
In 8/20us (Neutral-Earth) 50kA
Ismax 8/20us ( Line – Neutral ) 100kA
Nominal surge lifetime 15 hits @ 50kA (8/20uS, each mode)
Filter attenuation 48dB nominal above 1MHz
Initial clamp voltage (Line-Neutral) 510V
Initial clamp voltage (Neutral-Earth) 255V
Residual voltage (Vpl) Line-Neutral <600V (3kA, 8/20uS)
Residual voltage (Vpl) Neutral-Earth <1000V (3kA, 8/20uS)
Residual voltage (Vpl) Line-Neutral <800V (50kA, 8/20uS)
Residual voltage (Vpl) Neutral-Earth <1100V (50kA, 8/20uS)
Internal protection (fusing) All surge diverter elements are thermally fused
External disconnector requirements Line side: 1 or 3 pole, HRC gL fuse, 500v, 50KAIC
Load side: 10kAIC or better MCB
Terminations Bolted lug. 8mm bolts for phase and neutral connections. 6mm PE (earth) stud provided on gear tray. All connections identified on unit.
Thermal dissipation Max 200W @ full load, 3 phase, 80A model
Alarms/indicators Includes status indicators, dry contact alarm relay output (normally-closed with power applied and all SPD’s at 100% capacity). Contact rating 250Vac/32Vdc, 5A, alarm under-voltage cut off 180Vac.
Enclosure rating IP42
Standards. Designed in accordance with : IEC61643-1:2005, IEC610006-1,2,3,4 ANSI/IEEE C62.41, AS/NZS1768, AS/NZS3000:2007, AS3100
Environment -10 to 65°C, 10 to 90%RH (non-condensing)


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