Digital inputs, Trip contacts, Alarm contacts – Rockwell Automation 865 Differential Protection Relay User Manual

Page 172

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10-2 Technical

Data

865-UM001A-EN-P – July 2009

Table 10.3 – Digital Inputs

Number of inputs

6

Operation time

0.00 – 60.00 s (step 0.01 s)

Polarity

NO (normal open) or NC (normal closed)

Inaccuracy:
- Operate time

±1% or ±10 ms

Internal operating voltage

48 V dc

Current drain when active (max.)

Approx. 20 mA

Current drain, average value

< 1 mA

Terminal block:

Max. wire dimension:

- Phoenix MVSTBW or equivalent

2.5 mm

2

(13-14 AWG)


Table 10.4 – Trip Contacts

Number of contacts

2 making contacts

Rated voltage

250 V ac/dc

Continuous carry

5 A

Make and carry, 0.5 s
Make and carry, 3s

30 A
15 A

Breaking capacity, AC

2 000 VA

Breaking capacity, DC (L/R=40ms)
at 48 V dc:
at 110 V dc:
at 220 V dc


5 A
3 A
1 A

Contact material

AgNi 90/10

Terminal block:

Maximum wire dimension:

- Phoenix MVSTBW or equivalent

2.5 mm

2

(13-14 AWG)


Table 10.5 – Alarm Contacts

Number of contacts

3 change-over contacts (relays A1, A2 and A3)

2 making contacts (relays A4 and A5)

1 change-over contact (IF relay)

Rated voltage

250 V ac/dc

Max. make current, 4s at duty cycle
10%

15 A

Continuous carry

5 A

Breaking capacity, DC (L/R=40ms)

at 48 V dc:
at 110 V dc:
at 220 V dc

1,3 A
0,4 A
0,2 A

Breaking capacity, AC

2 000 VA

Contact material

AgNi 0.15 gold plated

Terminal Block:

Max. wire dimension:

- Phoenix MVSTBW or equivalent

2.5 mm

2

(13-14 AWG)

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