MF DIGITAL 5907-VL Spezifikationen PDF herunterladen (Seite 34)

3WL Air Circuit Breakers

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

General data

Siemens · 2012

For the setting range of the operating current Ig, see page 33.

Protection functions ETU15B ETU25B ETU27B

Parameterization by

D D D & S

Functional overview of the electronic release system

Overload protection

Function can be switched on/off

✓

Setting range

= I

× ... 0.5-0.55-0.6-0.65-0.7-

0.75-0.8-0.85-0.9-1

0.4-0.45-0.5-0.55-0.6-

0.65-0.7-0.8-0.9-1

0.4-0.45-0.5-0.55-0.6-

0.65-0.7-0.8-0.9-1

Switchable overload protection

(

t- or

t-dependent function)

-- -- --

Setting range for time-lag class t

t 10 s fixed 10 s fixed 10 s fixed

Setting range for time-lag class t

t -- -- --

Thermal image can be switched on/off -- -- --

Phase failure sensitivity -- At t

= 20 ms (M) At t

= 20 ms (M)

Neutral conductor protection -- -- ✓

Function can be switched on/off -- -- ✓

N conductor setting range

× ... -- -- 1

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

Setting range for delay time t

-- 0-M-100-200-300-400 ms 0-M-100-200-300-400 ms

Switchable short-time delayed short-circuit

protection (

t-dependent function)

-- -- --

Setting range for delay time t

t -- -- --

Zone Selective Interlocking function -- -- --

Instantaneous short-circuit protection ✓✓ ✓

Function can be switched on/off -- -- --

Setting range

× ... 2-3-4-5-6-7-8 Fixed for

≥

20 ×

, max. 50 kA Fixed for

≥

20 ×

, max. 50 kA

Ground-fault protection -- -- ✓ Fixed mounted

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 summa-

tion current formation with internal or external N con-

ductor transformer

-- -- ✓

Detection of ground-fault current through external

current transformer

-- -- --

Setting range of the operating current

for tripping -- -- A-B-C-D-E

Setting range of the operating current

for alarm -- -- --

Setting range of the delay time

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

Switchable ground-fault protection characteristic

curve (

t-dependent function)

-- -- --

Setting range for delay time t

t -- -- --

Zone Selective Interlocking ground-fault protect.

function

-- -- --

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 -- -- ✓

G-alarm -- -- --

Release through extended protection function -- -- --

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 -- -- --

Ground-fault alarm -- -- --

Auxiliary relay -- -- --

ETU fault -- -- --

N S E 0 _ 0 0 8 8 8 b

s d

N S E 0 _ 0 0 8 8 9 a

NSE00890

NSE00891

Delay time figures given in ms.

D & S = Rotary coding and slide switch

✓ Available.

M = Motor protection, corresponds to 20 ms. K = communication -- Not available.

D = Rotary coding switch M/K = menu/communication

❑

Optional.

1 2 ... 29 30 31 32 33 34 35 36 37 38 39 ... 61 62

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