Siemens siprotec 7SA522 User Manual

2.11 Overcurrent protection
221
7SA522 Manual
C53000-G1176-C155-3
2620 Iph> 1A 0.10 .. 25.00 A; ∞ 1.50 A Iph> Pickup
5A 0.50 .. 125.00 A; ∞ 7.50 A
2621 T Iph> 0.00 .. 30.00 sec; ∞ 0.50 sec T Iph> Time delay
2622 3I0> 1A 0.05 .. 25.00 A; ∞ 0.20 A 3I0> Pickup
5A 0.25 .. 125.00 A; ∞ 1.00 A
2623 T 3I0> 0.00 .. 30.00 sec; ∞ 2.00 sec T 3I0> Time delay
2624 I> Telep/BI NO
YES
NO Instantaneous trip via Tele-
prot./BI
2625 I> SOTF NO
YES
NO Instantaneous trip after
SwitchOnToFault
2630 Iph> STUB 1A 0.10 .. 25.00 A; ∞ 1.50 A Iph> STUB Pickup
5A 0.50 .. 125.00 A; ∞ 7.50 A
2631 T Iph STUB 0.00 .. 30.00 sec; ∞ 0.30 sec T Iph STUB Time delay
2632 3I0> STUB 1A 0.05 .. 25.00 A; ∞ 0.20 A 3I0> STUB Pickup
5A 0.25 .. 125.00 A; ∞ 1.00 A
2633 T 3I0 STUB 0.00 .. 30.00 sec; ∞ 2.00 sec T 3I0 STUB Time delay
2634 I-STUB Telep/BI NO
YES
NO Instantaneous trip via Tele-
prot./BI
2635 I-STUB SOTF NO
YES
NO Instantaneous trip after
SwitchOnToFault
2640 Ip> 1A 0.10 .. 4.00 A; ∞∞A Ip> Pickup
5A 0.50 .. 20.00 A; ∞∞A
2642 T Ip Time Dial 0.05 .. 3.00 sec; ∞ 0.50 sec T Ip Time Dial
2643 Time Dial TD Ip 0.50 .. 15.00 ; ∞ 5.00 Time Dial TD Ip
2646 T Ip Add 0.00 .. 30.00 sec 0.00 sec T Ip Additional Time Delay
2650 3I0p PICKUP 1A 0.05 .. 4.00 A; ∞∞A 3I0p Pickup
5A 0.25 .. 20.00 A; ∞∞A
2652 T 3I0p TimeDial 0.05 .. 3.00 sec; ∞ 0.50 sec T 3I0p Time Dial
2653 TimeDial TD3I0p 0.50 .. 15.00 ; ∞ 5.00 Time Dial TD 3I0p
2656 T 3I0p Add 0.00 .. 30.00 sec 0.00 sec T 3I0p Additional Time
Delay
2660 IEC Curve Normal Inverse
Very Inverse
Extremely Inv.
LongTimeInverse
Normal Inverse IEC Curve
2661 ANSI Curve Inverse
Short Inverse
Long Inverse
Moderately Inv.
Very Inverse
Extremely Inv.
Definite Inv.
Inverse ANSI Curve
Addr. Parameter C Setting Options Default Setting Comments

Siemens siprotec 7SA522 Specifications

General

Brand	Siemens
Model	siprotec 7SA522
Category	Protection Device
Language	English