ABB REC650 ANSI, Product Manual

Page: 71 / 82

Dimensions
Table 64. Dimensions
Description Value
Width 220 mm
Height 265.9 mm (6U)
Depth 249.5 mm
Weight box <10 kg (6U)
Weight LHMI 1.3 kg (6U)
Inverse time characteristics
Table 65. ANSI Inverse time characteristics
Function Range or value Accuracy
Operating characteristic:
( )
1
= + ×
-
æ ö
ç ÷
ç ÷
è ø
P
A
t B k
I
EQUATION1249-SMALL V1 EN
I = I
measured
/I
set
k = (0.05-999) in steps of 0.01
unless otherwise stated -
ANSI Extremely Inverse A=28.2, B=0.1217, P=2.0 ANSI/IEEE C37.112,
class 5 + 40 ms
ANSI Very inverse A=19.61, B=0.491, P=2.0
ANSI Normal Inverse A=0.0086, B=0.0185, P=0.02, tr=0.46
ANSI Moderately Inverse A=0.0515, B=0.1140, P=0.02
ANSI Long Time Extremely
Inverse A=64.07, B=0.250, P=2.0
ANSI Long Time Very Inverse A=28.55, B=0.712, P=2.0
ANSI Long Time Inverse k=(0.05-999) in steps of 0.01
A=0.086, B=0.185, P=0.02
Bay control REC650 1MRK 511 249-BEN -
Product version: 1.1 Issued: February 2011
ABB 71