Siemens siprotec 7SA522 User Manual

2.7 Earth fault overcurrent protection in earthed systems (optional)
173
7SA522 Manual
C53000-G1176-C155-3
3121 3I0>> 1A 0.05 .. 25.00 A 2.00 A 3I0>> Pickup
5A 0.25 .. 125.00 A 10.00 A
3122 T 3I0>> 0.00 .. 30.00 sec; ∞ 0.60 sec T 3I0>> Time Delay
3123 3I0>> Telep/BI NO
YES
NO Instantaneous trip via Tele-
prot./BI
3124 3I0>> SOTF-Trip NO
YES
NO Instantaneous trip after
SwitchOnToFault
3125 3I0>> InrushBlk NO
YES
NO Inrush Blocking
3130 Op. mode 3I0> Forward
Reverse
Non-Directional
Inactive
Inactive Operating mode
3131 3I0> 1A 0.05 .. 25.00 A 1.00 A 3I0> Pickup
5A 0.25 .. 125.00 A 5.00 A
3131 3I0> 1A 0.003 .. 25.000 A 1.000 A 3I0> Pickup
5A 0.015 .. 125.000 A 5.000 A
3132 T 3I0> 0.00 .. 30.00 sec; ∞ 0.90 sec T 3I0> Time Delay
3133 3I0> Telep/BI NO
YES
NO Instantaneous trip via Tele-
prot./BI
3134 3I0> SOTF-Trip NO
YES
NO Instantaneous trip after
SwitchOnToFault
3135 3I0> InrushBlk NO
YES
NO Inrush Blocking
3140 Op. mode 3I0p Forward
Reverse
Non-Directional
Inactive
Inactive Operating mode
3141 3I0p PICKUP 1A 0.05 .. 25.00 A 1.00 A 3I0p Pickup
5A 0.25 .. 125.00 A 5.00 A
3141 3I0p PICKUP 1A 0.003 .. 25.000 A 1.000 A 3I0p Pickup
5A 0.015 .. 125.000 A 5.000 A
3142 3I0p MinT-DELAY 0.00 .. 30.00 sec 1.20 sec 3I0p Minimum Time Delay
3143 3I0p Time Dial 0.05 .. 3.00 sec; ∞ 0.50 sec 3I0p Time Dial
3144 3I0p Time Dial 0.50 .. 15.00 ; ∞ 5.00 3I0p Time Dial
3145 3I0p Time Dial 0.05 .. 15.00 sec; ∞ 1.35 sec 3I0p Time Dial
3146 3I0p MaxT-DELAY 0.00 .. 30.00 sec 5.80 sec 3I0p Maximum Time Delay
3147 Add.T-DELAY 0.00 .. 30.00 sec; ∞ 1.20 sec Additional Time Delay
3148 3I0p Telep/BI NO
YES
NO Instantaneous trip via Tele-
prot./BI
3149 3I0p SOTF-Trip NO
YES
NO Instantaneous trip after
SwitchOnToFault
Addr. Parameter C Setting Options Default Setting Comments

Siemens siprotec 7SA522 Specifications

General

Brand	Siemens
Model	siprotec 7SA522
Category	Protection Device
Language	English