3UG3501 datasheet(81/114 Pages) ETC2

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Monitoring Relays

7/81

Siemens LV 1 T · 2006

3UG Monitoring Relays for Electrical and Additional Measurements

Insulation monitoring

for ungrounded DC networks

■Technical specifications

■Dimensional drawings

3UG30 82

Control circuits

Operating range of the control supply voltage

-15 % ... +10 %

Rated power

24 ... 240 V AC

VA/W

8/2

Frequency of the rated control supply voltage

50 ... 60

Measuring circuits

•Operating value

10 ... 110

• Minimum internal resistance for DC

• Measurement DC voltage

24 ... 240

• Max. DC insulation voltage (L+/PE/ground, L-/PE/ground)

V DC

300

• Reset/test function terminals (max. 10 m)

Y1/Y3, Y4/Y3

• Delay time in case of response

Output relay

1 changeover contact, open-circuit or closed-circuit principle

General data

Rated insulation voltage Ui

Insulation resistance

between supply, measurement,

and output circuit

400

Overvoltage category

acc. to IEC 664

III

Degree of pollution

acc. to IEC 664

Impulse withstand voltage Uimp

acc. to VDE 0435, Part 303

4000

Degree of protection

acc. to EN 60529

IP50 enclosure, IP20 terminals

Shock resistance

acc. to IEC 60068 Part 2-27

g/ms

Vibration resistance

acc. to IEC 60068-2-6

Hz/mm 10-55/0.35

Permissible ambient temperature

• During operation

°C

-25 ... + 65

• During storage

°C

-40 ... + 85

Permissible mounting position

any

Conductor cross-section

Solid

mm2

2 x 0.75 ... 2.5

Finely stranded with end sleeve

mm2

2 x 0.75 ... 2.5

100

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