MARTINDALE ET4500 - RCD Trip-Out Time Specifications; RCD Trip-Out Current Specifications

Martindale ET4000 / ET4500 Technical specifications
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9.3.3 Trip-out time
Complete measurement range conforms with BS EN 61557-6.
Maximum measuring times set according to selected reference for RCD testing.
Measuring range (ms) Resolution (ms) Accuracy
0.0 - 40.0 0.1
1 ms
0.0 - max. time * 0.1
3 ms
* For max. time see normative references in chapter 4.4.3 RCD testing – this
specification applies to max. time >40 ms.
Test current ...................................... ½I

N
, I

N
, 2I

N
, 5I

N
5I

N
is not available for I

N
=1000 mA (RCD type AC) or I

N
 300 mA (RCD types A, F).
2I

N
is not available for I

N
=1000 mA (RCD types A, F).
Specified accuracy is valid for complete operating range.
9.3.4 Trip-out current
Trip-out current
Complete measurement range conforms to BS EN 61557-6.
Measuring range I

Resolution I

Accuracy
0.2I

N
- 1.1I

N
(AC type) 0.05I

N
0.1I

N
0.2I

N
- 1.5I

N
(A type, I

N
≥30 mA) 0.05I

N
0.1I

N
0.2I

N
- 2.2I

N
(A type, I

N
<30 mA) 0.05I

N
0.1I

N
0.2I

N
- 2.2I

N
(B type) 0.05I

N
0.1I

N
Trip-out time
Measuring range (ms) Resolution (ms) Accuracy
0 - 300 1
3 ms
Contact voltage
Measuring range (V) Resolution (V) Accuracy
0.0 - 19.9 0.1
(-0 % / +15 %) of reading  10 digits
20.0 - 99.9 0.1 (-0 % / +15 %) of reading
The accuracy is valid if the mains voltage is stable during the measurement and the PE
terminal is free from interferance voltages.
Specified accuracy is valid for the complete operating range.