MF DIGITAL 5907-VL Dokumentacja Pobierz pdf (Strona 35)

3WL Air Circuit Breakers

Siemens · 2012

3WL Air Circuit Breakers/Non-Automatic Air Circuit Breakers up to 6300 A (AC)

General data

Protection functions ETU45B ETU76B

Parameterization by D& S M/K

Functional overview of the electronic release system

Overload protection

Function can be switched on/off

✓

Setting range

× ... 0.4-0.45-0.5-0.55-0.6-

0.65-0.7-0.8-0.9-1

0.4 ... 1

Switchable overload protection (

t- or

t-dependent function) ✓ ✓

Setting range for time-lag class t

t 2-3.5-5.5-8-10-14-17-21-25-30 s 2 ... 30 s

Setting range for time-lag class t

t 1-2-3-4-5 s 1 ... 5 s

Thermal image can be switched on/off ✓ ✓

Phase failure sensitivity At t

= 20 ms (M) ✓ (on/off)

Neutral conductor protection ✓✓

Function can be switched on/off ✓ ✓

N conductor setting range

× ... 0.5 ... 1 0.2 ... 2

Short-time delayed short-circuit protection ✓✓

Function can be switched on/off ✓ ✓

Setting range

× ... 1.25-1.5-2-2.5-3-4-6-8-10-12 1.25

... 0.8 × I

Setting range for delay time

M-100-200-300-400 ms M-80 ... 4000 ms

Switchable short-time delayed short-circuit protection

(

t-dependent function)

✓ ✓

Setting range for delay time t

t 100-200-300-400 ms 100 ... 400 ms

Zone Selective Interlocking function By CubicleBUS-Module By CubicleBUS-Module

Instantaneous short-circuit protection ✓✓

Function can be switched on/off ✓ ✓

Setting range

× ... 1.5-2.2-3-4-6-8-10-12-0.8 x I

1.5 ×

... 0.8 ×

Ground-fault protection ❑ Module can be retrofitted ❑ Module can be retrofitted

Tripping and alarm function ✓✓

Tripping function can be switched on/off ✓ ✓

Alarm function can be switched on/off -- ✓

Detection of the ground-fault current through summation cur-

rent formation with internal or external N conductor transformer

✓ ✓

Detection of ground-fault current through external

current transformer

✓✓

Setting range of the operating current

for tripping

A-B-C-D-E A ... E

Setting range of the operating current

for alarm A-B-C-D-E A ... E

Setting range of the delay time t

100-200-300-400-500 ms 100 ... 500 ms

Switchable ground-fault protection characteristic curve

(

t-dependent function)

✓✓

Setting range for delay time t

t 100-200-300-400-500 ms 100 ... 500 ms

Zone Selective Interlocking ground-fault protect. function By CubicleBUS-Module By CubicleBUS-Module

Parameter set switchover

Switchable between parameter set A and B -- ✓

LCD

Alphanumeric LCD (4-line) ❑ --

Graphical LCD (24 V, external power supply required) -- ✓

Communication

CubicleBUS integrated ✓ ✓

Communication-capable through PROFIBUS DP ✓ ✓

Measurement function

Measurement-function capable with measurement function

Plus

✓✓

LED display

Electronic release active ✓ ✓

Alarm ✓ ✓

ETU fault ✓ ✓

L-release ✓✓

S-release ✓✓

I-release ✓ ✓

N-release ✓ ✓

G-release ✓ (only with ground-fault protection module) ✓ (only with ground-fault protection module)

G-alarm ✓ (only with ground-fault protection module) ✓ (only with ground-fault protection module)

Release through extended protection functions ✓ ✓

Communication ✓ ✓

Signals from signaling switches with external CubicleBUS modules (relays)

Overload warning ✓✓

Load shedding, load receiving ✓ ✓

Leading signal overload trip 200 ms ✓✓

Temperature alarm ✓ ✓

Phase unbalance ✓✓

Instantaneous short-circuit release ✓ ✓

Short-time delayed short-circuit release ✓✓

Overload trip ✓ ✓

Neutral conductor release ✓✓

Ground-fault protection release ✓ (only with ground-fault protection module) ✓ (only with ground-fault protection module)

Ground-fault alarm ✓ (only with ground-fault protection module) ✓ (only with ground-fault protection module)

Auxiliary relay ✓ ✓

ETU fault ✓✓

Setting range of the operating current I

Increment size for settings for ETU76B via menu

For legend see page 32.

Size I and size II Size III From ... to Increment

size

From ... to Increment

size

A 100 A 400 A 0 ... 1 0.1 1000 ... 1600 50

B 300 A 600 A 1 ... 100 1 1600 ... 10000 100

C 600 A 800 A 100 ... 500 5 10000 ... max 1000

D 900 A 1000 A 500 ... 1000 10

E 1200 A 1200 A

1 2 ... 30 31 32 33 34 35 36 37 38 39 40 ... 61 62

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