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14
Characteristics
Item H7ET-NVj-j
H7ET-NVj-HjH7ET-NFVj-jH7ET-Nj-j
Time
accuracy
±
100 ppm (25
°C)
Insulation
resistance
100 M
Ω
min. (at 500 VDC)
between current-carrying metal
parts and exposed
non-current-carrying metal parts,
and between the backlight power
supply and timer input
terminals/reset terminals for
backlight models
100 M
Ω
min. (at 500 VDC)
between current-carrying metal
parts and exposed
non-current-carrying metal parts
and between timer input terminals
and reset terminals
100 M
Ω
min. (at 500 VDC)
between current-carrying metal
parts and exposed
non-current-carrying metal parts
Dielectric strength
1,000 V
AC, 50/60 Hz for 1 min
between current-carrying metal
parts and exposed
non-current-carrying metal parts
and between the backlight power
supply and timer input
terminals/reset terminals for
backlight models
3,700 V
AC, 50/60 Hz for 1 min
between timer input terminals and
exposed non-current-carrying
metal parts
2,200 V
AC, 50/60 Hz for 1 min
between reset terminals and
exposed non-current-carrying
metal parts and between timer
input terminals and reset terminals
1,000 V
AC, 50/60 Hz for 1 min
between current-carrying metal
parts and exposed
non-current-carrying metal parts
Impulse withstand
voltage
4.5 kV between current-carrying
terminal and exposed
non-current-carrying metal parts
4.5 kV between current-carrying
terminal and exposed
non-current-carrying metal parts
3 kV between timer input terminals
and reset terminals
4.5 kV between current-carrying
terminal and exposed
non-current-carrying metal parts
Noise immunity
Square-wave noise generated by noise simulator (pulse width: 100 ns/1
µs, 1-ns rise)
±
600 V (Between timer input
terminals/Between reset terminals)
±
480 V (Between the backlight
power supply terminals for
backlight models)
±
1.5 kV (Between timer input
terminals)
±
500 V (Between reset terminals)
±
500 V (Between timer input
terminals/Between reset terminals)
Static immunity
±
8 kV (malfunction)
V
ibration resistance
Malfunction: 0.15-mm single amplitude at 10 to 55 Hz for 10 min each in 3 directions
Destruction: 0.375-mm single amplitude at 10 to 55 Hz for 2 hrs each in 3 directions
Shock resistance
Malfunction: 200 m/s
2
3 times each in 6 directions
Destruction: 300 m/s
2
3 times each in 6 directions
EMC (EMI) EN50081-1
Emission Enclosure: EN55022 class B
(EMS) EN50082-2
Immunity ESD:
EN61000-4-2:
4-kV contact discharge (level 2)
8-kV air discharge (level 3)
Immunity RF-interference from AM Radio W
aves:
ENV50140:
10 V/m (80 MHz to 1 GHz) (level 3)
Immunity RF-interference from Pulse-modulated Radio W
aves:
ENV50204:
10 V/m (900 MHz
±
5 MHz) (level 3)
Immunity Conducted Disturbance:
ENV50141:
10 V (0.15 to 80 MHz ) (level 3)
Immunity Burst:
EN61000-4-4:
2-kV power line (level 3)
2-kV I/O signal line (level 4)
Enclosure rating
Front panel:
IP66, NEMA4 with waterproof packing
T
erminal block:
IP20
W
eight (see note)
No-backlight model: Approx. 60 g
Backlight model: Approx. 65 g Approx. 60 g Approx. 60 g
Note: W
eight includes waterproof packing and flush mounting bracket.
Reference Value
Item Value Note
Battery
life
10 years min. with continuous input at
25°
C (lithium battery)
The battery life is calculated according to the conditions in the left column
and therefore is not a guaranteed value. Use these value as reference for
maintenance or replacement.