HT EASYTEST COMBI519 User Manual

EASYTEST-COMBI519
EN - 54
TT TN IT
Mode Condition x OK outcome Condition x OK outcome Condition x OK outcome
L-L
STD
No outcome No outcome No outcome
Br.Cap
Isc L-L max < BC Isc L-L max < BC Isc L-L max < BC
TripT (IscL-Lmin 2P) Tmax  Tmax < Tlim (IscL-L min 2P) Tmax Tmax < Tlim
(IscL-Lmin 2F) Tmax  Tmax <
Tlim
Ut
L-N
STD
No outcome
No outcome No outcome
Br.Cap
Isc L-N max < BC Isc L-N max < BC Isc L-N max < BC
TripT
(Isc L-N min ) Tmax  Tmax < Tlim (Isc L-N min ) Tmax  Tmax < Tlim (Isc L-N min ) Tmax  Tmax < Tlim
Ut
L-PE
STD
No outcome
Br.Cap
Isc L-PE max< BC
TripT
(Ipfc L-PE min ) Tmax  Tmax <
Tlim
Ut
ZL-PE < ZLimit (UK) Utmeas < Utlim
Ra
Ut
2W
Utlim/Ra meas = Isc L-PE MIN > Idn
(RCD)
ZLPEmeas < ZLIM (Table UK)
ZLPEmeas < ZLIM (Table UK)
Ra meas x Idn < Ut lim (other Nations)
Ut
3W
ZLPEmeas < ZLIM (Table UK)
ZLPEmeas < ZLIM (Table UK)
Ra meas x Idn < Ut lim (other Nations)
Table 2: Conditions of positive outcome depending on the test parameters
Where:
Empty cells Mode unavailablefor this particular combination of electric system
Isc L-L_Min2P Prospective short-circuit current minimum two-phase Phase-Phase
Isc L-N_Max Prospective short-circuit current maximum Phase-Neutral
Isc L-N_Min Prospective short-circuit current minimum Phase-Neutral
Isc L-PE_Max Prospective short-circuit current maximum Phase-PE
Isc L-PE_Min Prospective short-circuit current minimum Phase-PE
BC Breaking Capacity of the protection device - kA
Z Limit Max allowed limit impedance according to type of protection
Tmax Maximum trip-out time of the protection device
Tlim Limit time of fault extinction by the protection set by the user
Ut meas Contact voltage measured
Ut lim Contact voltage limit (25V or 50V)
Ra meas Overall earth resistance measured
Idn Tripout current of RCD devices
Ipsc Prospective short-circuit current
Ipfc Prospective fault current

HT EASYTEST COMBI519 Specifications

General

Brand	HT
Model	EASYTEST COMBI519
Category	Measuring Instruments
Language	English