ISOLGUARD HIG93, HIG93/L, HIG94
V5.8/23
HAKEL spol. s r.o. Hradec Králové
www.hakel.com
Page 4 / 15
2. ISOLGUARD HIG93, HIG93/L, HIG94 technical characteristics
Type
HIG93
HIG93/L
HIG94
Monitored IT power supply system type
AC
Maximum IT power supply system operating voltage
(without external inductor)
U
n
275 V
∼
Nominal supply voltage
U
s
230 V
∼
Supply voltage range
90 to 265 V
∼
(47 ÷ 63 Hz) or 90 to 370 V
⎓
Power consumption
P
max. 5 VA
Measuring circuit
Measuring voltage
U
M
12 V DC
Measuring current
I
M
< 0,6 mA
Alternating internal resistance of the measuring input
R
i
> 2 MΩ
Displayed value's range
R
isol
5 kΩ to 900 kΩ
0,1 kΩ to 90 kΩ
200 kΩ to 5 MΩ
Measurement accuracy 5 kΩ ... 10 kΩ
10 kΩ ... 900 kΩ
2 kΩ
± 10 %
Measurement accuracy 0,1 kΩ ... 10 kΩ
10 kΩ ... 90 kΩ
0,2 kΩ
± 10 %
Measurement accuracy 200kΩ … 1MΩ
1MΩ … 5MΩ
± 10 %
± 15 %
Critical insulation resistance
Rcrit1,
Rcrit2
adjustable
5 kΩ to 300 kΩ
adjustable
0,1 kΩ to 90 kΩ
adjustable
200 kΩ to 900 kΩ
Monitored insulation resistance hysteresis
R
hyst
adjustable 0 to +100 % R
crit
Delay in response of signalling
t
ON
adjustable 0 to 60 sec
Outputs
Two signalling relays with switching contact
electric strength to the internal circuits
electric strength to the supply circuits
250 V AC / 1 A
3750 Vrms
3750 Vrms
Communication line: RS485 type MASTER-SLAVE,
9600 Bd, even count parity
Insulating strength to the internal circuits and to the
network circuits
Yes
2500 Vrms
Yes
2500 Vrms
Yes
2500 Vrns
General data
Degree of protection according to IEC 60529
front panel IP40
covers except front panel IP20
Weight
m
160 g
Housing material
PA – UL 94 V0
Method of assembly
on 35 DIN rail
Recommended section of the connected conductors
S
1 mm
2
Article number
70 915
70 915/L
70 917
Table 2: HIG93, HIG93L, HIG94 technical characteristics, part 1
Operating conditions
Operating temperature
Storage temperature
Shipping temperature
-10 °C ~ +60 °C
-25 °C ~ +70 °C
-25 °C ~ +70 °C
Altitude
Up to 2000 m a.s.l.
Protection class
II according to IEC 61140:2016
Electromagnetic compatibility
IEC 61326-2-4:2012
Overvoltage category
III, according to IEC 60664-1:2007
Pollution degree
2, according to IEC 60664-1:2007
Working position
any
Operation type
permanent
Table 3: HIG93, HIG93L, HIG94 technical characteristics, part 2
Measuring principle
DC voltage 12 V. Plus pole connected to a CENTRE terminal.