Deif PPM 300 - Page 435

Table 13.20 ACM3.2 terminals
Module Count Symbol Type Name
A
C
M
3
.
2
S2
S1
L3
S2
S1
L1
S2
S1
L2
S2
S1
L3
S2
S1
L1
S2
S1
L2
1
2
3
4
5
6
7
8
9
10
11
12
1 × (L1, L2 and L3)
S1
S2
Current 3-phase current measurement - Consumer side
1 × (L1, L2 and L3)
S1
S2
Current 3-phase current measurement - Neutral side
Table 13.21
ACM3.2 technical specifications
Category Specification
Nominal, reference and
operating values
Current:
Nominal value: 1 or 5 A AC from current transformer
Frequency:
Nominal value: 50 or 60 Hz
Reference range: 40 to 70 Hz
Operating range: 20 to 78 Hz
Temperature:
Reference range: 15 to 30 °C (59 to 86 °F)
Operating range: -40 to 70 °C (-40 to 158 °F)
Current measurements
Measurement range: 0.025 to 250 A AC. Truncation level: 20 mA
Accuracy:
• 0.025 to 20 A: ±1 % or ±10 mA of measured current (whichever is greater)
• 20 to 250 A: ±1.5 % of measured current
UL/cUL Listed: From listed or R/C (XOWD2.8) current transformers 1 or 5 A
Load on external current transformer: < 4 mΩ, including the terminal block
Current withstand:
• 20 A continuously
• 100 A for 10 s
• 400 A for 1 s
• 1250 A for 10 ms (half wave)
DESIGNER'S HANDBOOK 4189340911K UK Page 435 of 521