Publicidad
POWR-GARD
®
• MOTOR PROTECTION SYSTEM
• SISTEMA DE PROTECCIÓN DE MOTOR
• SYSTÈME POUR LA PROTECTION DES MOTEURS
• TRIP CURVES
t(s)
Overload (cold)
10,000
1,000
100
10
1
0
1
2
3
4
5
6
7
8
9 10 11
x I
1.15 I
B
B
• SETTINGS
Minimum Setup for Overload Protection*
SETTING
[Menu Path]
)
Nominal current (I
B
[Settings/General]
CT Turns Ratio
[Settings/General]
Trip Class
[Settings/General/Overload]
*See Settings Table for a complete list.
PGR-6150 SERIES • Country of origin: Spain • SEPTEMBER 17, 2010 • 1-800-TEC-FUSE (1-800-832-3873) • www.littelfuse.com
PGR-6150 SERIES
• CURVAS DE DISPARO
t(s)
Overload Class 10
10,000
1,000
TRIP
CLASS
5
10
15
20
25
100
30
35
40
45
45
30
20
10
10
1
0
1
2
3
4
1.15 I
B
Without External Phase C 's
Default
(< 25 A motors)
4
Motor Full Load Current ( ) I
1
1
5
Motor Trip Class
(s at 7x ) I
• COURBES DE DÉCLENCHEMENT
COLD
HOT 60%
HOT 75%
I
I
HOT 60% = 0.9
HOT 75% = I I
B
5
6
7
8
9 10 11
x I
B
T
With External Phase C 's
I
÷ CT-Primary (A) x CT-Secondary
N
N
CT-Primary (A) ÷ CT-Secondary
Motor Trip Class
(s at 7x ) I
N
N
t(s)
Overload Class 20
10,000
1,000
100
10
B
1
0
1
2
3
4
5
6
7
8
x I
1.15 I
B
B
T
COLD
HOT 60%
HOT 75%
I
I
HOT 60% = 0.9
B
HOT 75% = I I
B
9 10 11
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