Siemens EF6 Series Bedienungsanleitung PDF herunterladen (Seite 11)

Screw terminal 1

Spring-loaded terminal 2

3UG4 monitoring relays – for residual-current monitoring

3UL22 summation current transformer for external ground fault monitoring

Rated Rated residual Through hole For Protodur cable Order No.

insulation current I

⌬n

diameter (for through-

voltage U

connection)

Detection of residual currents in machines and systems

690 V AC 0.3 A 40 mm max. 4 x 95 mm

3UL2201-1A

0.5 A 3UL2201-2A

1 A 3UL2201-3A

690 V AC 0.3 A 65 mm max. 4 x 240 mm

3UL2202-1A

0.5 A 3UL2202-2A

1 A 3UL2202-3A

10 A 3UL2202-2B

16 A 3UL2202-3B

25 A 3UL2202-4B

40 A 3UL2202-5B

1000 V AC 0.3 A 120 mm max. 8 x 300 mm

3UL2203-1A

0.5 A 3UL2203-2A

1 A 3UL2203-3A

6 A 3UL2203-1B

10 A 3UL2203-2B

10 | 11

Monitoring Relays

Display range Setting ranges Contacts Hysteresis Hysteresis ON delay Tripping Rated control Order No.

for warning and with treshold with warning delay time supply voltage

disconnection value value

Width 22.5 mm, digitally adjustable featuring LCD display, connectable fault memory,

monitoring of warning threshold and limit value exceedance, for 3UL22 summation current transformer with I

⌬n

from 0.3 to 40 A

10 to 120% 10 to 100% 1 CO +

Display accuracy

5% fixed of 0.1–20.0 s 0.1–20.0 s 90–690 V AC 3UG4624- CS20

of the nominal of the nominal 1 CO of up to 50% of

the nominal

transformer transformer

the nominal trans-

transformer

value in A value in A

former value in A value in A

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1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 31 32

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