INDRA 190105A101, Руководство по установке

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6
BS7671. 18th Ed Am1
PEN Fault
Ref Earth Electrode
Phase Imbalance
(1) L – N Trip
(2) L – TT Ref Trip
(3) PME – TT Ref Trip
Dedicated CPC
Earth Electrode
Relay Weld detection
DC 6mA Protection
Protection for installs
with three independent
earthing systems (rare)
Indra’s unique PEST safety features
3 phase
property capable
Touch Voltage
Simultaneous Contact
722.411.4.1 (iii)
Full protection
Full protection
230 +/- 12% RMS
230 +/- 12% RMS
30v RMS
Required – COPv4
Not required
Full protection
Full protection
Manual management
of risk
Yes
Full protection
Full protection
Limited protection
Not required
Limited protection
230 +/- 12% RMS
Faults not detected
Faults not detected
Not required
Full protection
Full protection
Manual management
of risk
Yes
Manual management
of risk
Manual management
of risk
722.411.4.1 (iv)
Limited protection
Install Method /
Operation Mode
Mode A with
Electrode
Mode A without
Electrode
Mode B
PESTs Mode A essentially works by comparing three voltage readings:
1. L - N
2. L - TT Ref
3. CPC (PME) – TT Ref
722.411.4.1 (i)
722.411.4.1 (ii)
any install not under
section 722.411.4
Not required
Limited protection
230 +/- 10% RMS
Faults not detected
Faults not detected
Not required
Full protection
Full protection
Manual management
of risk
No
Manual management
of risk
Manual management
of risk