Function Range or value Accuracy
Reactive power, Q (10 to 300) V
(0.1-4.0) x I
r
±0.5% of S
r
at S ≤0.5 x S
r
±0.5% of S at S > 0.5 x S
r
(100 to 220) V
(0.5-2.0) x I
r
cos φ> 0.7
±0.2% of Q
Apparent power, S (10 to 300) V
(0.1-4.0) x I
r
±0.5% of S
r
at S ≤0.5 x S
r
±0.5% of S at S >0.5 x S
r
(100 to 220) V
(0.5-2.0) x I
r
±0.2% of S
Power factor, cos (φ)
(10 to 300) V
(0.1-4.0) x I
r
<0.02
(100 to 220) V
(0.5-2.0) x I
r
<0.01
GUID-5E04B3F9-E1B7-4974-9C0B-DE9CD4A2408F v6
Table 321: CMMXU technical data
Function Range or value Accuracy
Current at symmetrical load (0.1-4.0) × I
r
±0.3% of I
r
at I ≤ 0.5 × I
r
±0.3% of I at I > 0.5 × I
r
Phase angle at symmetrical load (0.1-4.0) × I
r
±1.0 degrees at 0.1 × I
r
< I ≤
0.5 × I
r
±0.5 degrees at 0.5 × I
r
< I ≤
4.0 × I
r
GUID-374C2AF0-D647-4159-8D3A-71190FE3CFE0 v5
Table 322: VMMXU technical data
Function
Range or value Accuracy
Voltage (10 to 300) V ±0.5% of U at U ≤ 50 V
±0.2% of U at U > 50 V
Phase angle (10 to 300) V ±0.5 degrees at U ≤ 50 V
±0.2 degrees at U > 50 V
GUID-9B8A7FA5-9C98-4CBD-A162-7112869CF030 v5
Table 323: CMSQI technical data
Function
Range or value Accuracy
Current positive sequence, I1
Three phase settings
(0.1–4.0) × I
r
±0.3% of I
r
at I ≤ 0.5 × I
r
±0.3% of I at I > 0.5 × I
r
Current zero sequence, 3I0
Three phase settings
(0.1–1.0) × I
r
±0.3% of I
r
at I ≤ 0.5 × I
r
±0.3% of I at I > 0.5 × I
r
Current negative sequence, I2
Three phase settings
(0.1–1.0) × I
r
±0.3% of I
r
at I ≤ 0.5 × I
r
±0.3% of I at I > 0.5 × I
r
Phase angle (0.1–4.0) × I
r
±1.0 degrees at 0.1 × I
r
< I ≤
0.5 × I
r
±0.5 degrees at 0.5 × I
r
< I ≤
4.0 × I
r
1MRK 505 384-UEN A Section 11
Monitoring
Breaker protection REQ650 2.2 IEC 425
Technical manual
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