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Power supplies and socket outlets
POWER SUPPLIES
Safety bell transformer TZ4
„For safe isolation and power supply of circuits of the power
input up to 4 VA with safe low voltage 6, 8, 12 V a.c.
„For power supply of door bells, house telephones,
auxiliary circuits of contactors, lighting, relays etc.
„The transformer is unconditionally short-circuit-proof; it
withstand continuous short-circuit even without a backup
protection device, and continues to perform all its functions
as soon as the overload or short-circuit ceases
„Degree of protection IP30
Safety power supply NZ10T
„For safe isolation and power supply of circuits of the
power input up to 10 VA with safe low voltage 6, 12,
24 V a.c./d.c.
„For power supply of door bells, house telephones, door
openers, transducers, auxiliary circuits of contactors,
lighting, relays etc..
„On the secondary side it is equipped with a PTC
thermistor which limits the overcurrent in the
secondary winding at overload
„The current limitation is indicated by red LED on the
front panel of the device
„The presence of UPRI is indicated by green LED on the
front panel of the device
„Protection of outputs by blocking capacitors against
interference
„The transformers are equipped with voltage stabilisers
Safety controlled power supply NZR10T
„For safe isolation and power supply of circuits of the
power input up to 10 VA with safe low voltage 24 V a.c.
and controlled voltage 1.2 ÷ 24 V d.c.
„For power supply of door bells, house telephones, door
openers, transducers, auxiliary circuits of contactors,
lighting, relays etc.
„On the secondary side it is equipped with a PTC
thermistor which limits the overcurrent in the
secondary winding at overload
„The current limitation is indicated by red LED on the
front panel of the device
„The presence of UPRI is indicated by green LED on the
front panel of the device
„Protection of outputs by blocking capacitors against
interference
„The transformers are equipped with voltage stabilisers
Safety bell transformer
2
4
6
Rated voltage
UPRI AC [V]
USEC AC [V]
Type
230
6, 8, 12
TZ4
Product
code
07443
Weight
[kg]
0.49
Packing
[pcs]
1
Product
code
11171
11172
11173
Weight
[kg]
0.32
0.32
0.32
Packing
[pcs]
1
1
1
Product
code
11174
Weight
[kg]
0.32
Packing
[pcs]
1
12 V
2
1
6V
4
3
8V
6
5
230 V
USEC
4 VA
IP30
AC 230 V 50 Hz
AC 6/8/12 V
ÈSN IEC 742
Safety power supply
2
4
6
Rated voltage
UPRI AC [V]
230
Type
USEC AC i DC [V]
6
12
24
NZ10T - 06
NZ10T - 12
NZ10T - 24
NZ10T
Safety controlled power supply
2
NZR10T
4
6
Rated voltage
UPRI AC [V]
USEC AC / DC [V]
Type
230
24 / 1.2 ÷ 24
NZR10T
89
Power supplies and socket outlets
POWER SUPPLIES
Specification
Type
TZ4
NZ10T
NZR10T
Standards
EN 60 742 (35 1330)
IEC 742
EN 60 742
EN 60 742
4 VA
230 V a.c.
6 V a.c. / 0.33 A
8 V a.c. / 0.33 A
12 V a.c. / 0.33 A
50 Hz
yes
yes
yes
0.75 ÷ 2.5 mm2
35 mm
2x M3
IP30
-10 ÷ +35 °C
arbitrary
10 VA 1)
230 V a.c.
6 V a.c. / 1.4 A
12 V a.c. / 0.8 A
24 V a.c. / 0.36 A
6 V d.c. / 0.45 A
12 V d.c. / 0.4 A
24 V d.c. / 0.2 A
50 Hz
yes
yes
yes
PTC thermistor
red LED
green LED
0.75 ÷ 2.5 mm2
35 mm
2x M3
IP20
-10 ÷ +35 °C
3g
arbitrary
10 VA 1)
230 V a.c.
24 V a.c. / 0.4 A
1.2 ÷ 24 V d.c. / 0.08 ÷ 0.3 A
50 Hz
yes
yes
yes
PTC thermistor
red LED
green LED
0.75 ÷ 2.5 mm2
35 mm
2x M3
IP20
-10 ÷ +35 °C
3g
arbitrary
Approval marks
Power
Rated primary voltage
Rated secondary voltage 2)/current
UPRI
USEC/ISEC
USEC/ISEC
USEC/ISEC
USEC/ISEC
USEC/ISEC
USEC/ISEC
fn
AC
DC
Rated frequency
Transformer
unconditionally short-circuit-proof
safety protective
design - Class II
Protection (built-in)
Light indication
current limitation
presence of UPRI
Connection
Mounting
on the rail DIN EN 50 022 - width
by means of screws onto the plate
Degree of protection
Ambient temperature
Seismic immunity (8÷50 Hz)
Operating position
1)
At simultaneous loading of both AC and DC outputs the sum of both power inputs must not exceed 8 VA
2)
The transformers have a higher voltage at off-load connection. The shown voltages are those at rated load
Dimensions
NZR10T
4
6
2
4
6
2
4
6
1
3
5
1
3
5
1
3
5
45
2
71.2
NZ10T
85.8
TZ4
3
52.5
52.5
2xM
4.5
52.5
17.5
41
60
Diagram
TZ4
2
NZ10T
6V
12V
4
2
8V
6
+
NZR10T
4 USEC
AC
6
+
3
230V
6
5
1
90
U SEC
AC
UREG
DC
USEC
DC
1
4
2
U PRI
3
5
1
U PRI
3
5
5
Power supplies and socket outlets
POWER SUPPLIES
Characteristics
Load characteristic TZ4
Usec [V]
20
18
16
Usec = 12 V
14
12
Usec = 8 V
10
8
6
4
Usec = 6 V
2
0
0
200
400
600
800
1000
1200
1400
Isec [mA]
Load characteristic NZ10T, NZR10T - AC output
At ambient temperature +23 ˚C
Usec [V]
30
28
NZR10T - AC 24 V
26
NZ10T - AC 24 V
24
22
20
18
16
NZ10T - AC 12 V
14
12
10
NZ10T - AC 6 V
8
6
4
2
0
0
200
400
600
800
1000
1200
1400
1600
Isec [mA]
Load characteristic NZ10T, NZR10T - DC output
At ambient temperature +23 ˚C
Usec [V]
26
NZR10T - DC 1.2 - 24 V
24
22
20
NZ10T - DC 24 V
18
16
14
12
NZ10T - DC 12 V
10
8
6
NZ10T - DC 6 V
4
2
0
0
100
200
300
400
500
600
700
800
Isec [mA]
„
Imax
„Note: At simultaneous loading of both AC and DC outputs the sum of both power inputs must not exceed 8 VA!
„At overload the red indicator light LIM on the front panel of the device goes on. The output current is reduced to approx. 100 mA.
„For function reset it is necessary to disconnect the load at the output.
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