Datasheet

Specifications are subject to change without notice. Copyright 2011 Eaton Industries Pty Ltd
Technical Specification –ESF series surge filters
Tvss Doc# 510ESF
Page 5 of 6
PHYSICAL AND ELECTRICAL SPECIFICATIONS
Models
Model part numbering guide:
ESFWWX-YY-Z
ESF E model Surge Filter
WW Current. 50, 63 or 80 Amp
X Phases 1 or 3
-YY TN for TN based systems
TT for TT based systems
-Z E for enclosed units
Blank for gear tray units
Available models :
Enclosed versions : TN-S, TN C-S SYSTEMS.
ESF501-TN-E, ESF503-TN-E, ESF631-TN-E,
ESF633-TN-E, ESF801-TN-E, ESF803-TN-E
Gear tray versions : TN-S, TN C-S SYSTEMS.
ESF501-TN, ESF503-TN, ESF631-TN, ESF633-TN,
ESF801-TN, ESF803-TN
Input voltage – Uc
220 – 250VAC 1∅, 380 – 440VAC 3∅
Maximum 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 – TN models Line-Neutral, Neutral-Earth
Primary protection modes – TT models Line-Earth, 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 20 hits @ 50kA (8/20uS, each mode)
Filter attenuation 48dB nominal above 1MHz
Initial clamp voltage (Line-Neutral) 510V
Initial clamp voltage (Line-earth – TT models) 680V
Initial clamp voltage (Neutral-Earth) TN = 255V, TT = XXXX
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.
Line side: 1 or 3 pole, HRC gL fuse, 500v,
50KAIC.
External disconnector requirements
Load side: 10kAIC or better MCB.