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8345-C245-U3T2-DB1B1B-20A

Description
Circuit Breakers
CategoryCircuit protection   
File Size700KB,10 Pages
ManufacturerE-T-A Circuit Breakers
Download Datasheet Parametric View All

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Circuit Breakers

8345-C245-U3T2-DB1B1B-20A Parametric

Parameter NameAttribute value
Product AttributeAttribute Value
ManufacturerE-T-A Circuit Breakers
Product CategoryCircuit Breakers
ProductHydraulic Magnetic Circuit Breakers
Current Rating20 A
Number of Poles4 Pole
Actuator TypeLever
Minimum Operating Temperature- 40 C
Maximum Operating Temperature+ 85 C
IlluminatedNot Illuminated
Length63.5 mm
Termination StyleThreaded Stud
Width48 mm
Mounting StyleFlange
Magnetic and Hydraulic-Magnetic Circuit Breaker 8345-...
Description
Single or multipole hydraulic-magnetic circuit breakers with trip-free-
mechanism and toggle actuation. A choice of switching characteristics
ensures suitability for a wide range of applications. Industry standard
dimensions and panel mounting. Auxiliary contacts optional. Low
temperature sensitivity at rated load.
Approved to CBE standard EN 60934 (IEC 60934) S-type HM CBE.
Typical applications
In the business fields Communication and Transport: power supplies,
switchgear, instrumentation and process control engineering.
1-pole
Standard current ratings and typical internal resistance values
Current
rating (A)
0,05
0,1
1
2
3
5
10
15
20
25
30
40
50
60
80
100
125
Trip curves and internal resistance (Ω) per pole
F1
---
---
0,578
0,144
0,0644
0,0250
0,00901
0,00597
0,00468
0,00410
0,00385
0,00371
0,00358
---
---
---
---
---
---
0,347
0,0959
0,0477
0,0192
0,00714
0,00483
0,00410
0,00385
0,00371
0,00371
0,00358
---
---
---
---
F2
K1, M1, T1
531
129
1,10
0,295
0,121
0,0437
0,0147
0,00794
0,00597
0,00456
0,00458
0,00373
0,00335
0,00333
0,00325
0,00316
0,00314
K2, M2, T2
542
127
1,08
0,291
0,118
0,0449
0,0133
0,00794
0,00597
0,00456
0,00458
0,00373
0,00335
0,00333
0,00325
0,00316
0,00314
8345
1
2-pole
Technical data
Voltage rating
3 AC 415 V; AC 277/480 V;
AC 120/240 V; AC 240 V; DC 80 V
(higher DC voltages to special order)
0.02...125 A single and multipole
higher ratings upon request
AC 240 V 6 A
DC 28 V 3 A
DC 65 V 1 A
DC 80 V 0.5 A
10,000 operations at 1 x I
N
-40...+85 °C (-40...+185 °F)
2.5 kV/2
reinforced insulation in operating area
test
test
test
test
test
voltage
voltage
voltage
voltage
voltage
AC
AC
AC
AC
AC
3,000
1,500
1,500
3,000
1,500
V
V
V
V
V
Current rating range
Auxiliary circuit
Typical life
Ambient temperature
Insulation co-ordination
(IEC 60664)
Dielectric strength
operating area
Line to Load
pole to pole
(2- and 3-pole)
main to auxiliary circuit
switching to trip circuit
(version -X)
Insulation resistance
Degree of protection
(IEC 60529)
Vibration
mounting attitude
toggle down:
other mounting attitudes:
with curves F1, F2:
> 100 MΩ (DC 500 V)
operating area IP40
terminal area IP00
10 g (57-2000 Hz) ± 0,76 mm (10-57 Hz)
at 0.9 x I
N
10 g at 1 x I
N
10 g at 0.8 x I
N
in all mounting attitudes
(57-2000 Hz) ± 0.76 mm (10-57 Hz)
to IEC 60068-2-6, test Fc
10 frequency cycles/axis
100 g (11 ms) at 1 x I
N
,
100 g (11 ms) at 0.8 x I
N
,
100 g (11 ms) at 0.8 x I
N
to IEC 60068-2-27, test Ea
96 hours at 5 % salt mist,
to IEC 60068-2-11, test Ka
240 hours at 95 % RH,
to IEC 60068-2-78, test Cab
approx. 90 - 120 g per pole
depending on version
Interrupting capacity
to EN 60934, CCC, UL 489, UL 1077
IEC 60934 / CCC (3-pole) – test series E:
voltage
DC 80 V
AC 240/415 V
AC 240 V
voltage
DC 80 V
AC 120 V
AC 120/240 V
AC 240 V
voltage
DC 80 V
AC 277/480 V
number of
poles
1+2
1–4
1
number of
poles
1+2
1
1 (2)
1
UL 1077:
number of
poles
1+2
1–4
I
N
max. (A)
0.02...125
0.02...70
I
cn
(A)
10 000
5 000
I
N
max. (A)
0.02...125
0.016...80
0.016...20
I
N
max. (A)
0.5...125
0.5...80
0.5...80
0.5...20
I
cn
(A)
10 000
6 x I
N
5 000
I
cn
(A)
10 000
5 000
5 000
5 000
Shock
directions 1, 2, 3, 4, 5:
direction 6:
with curves F1, F2:
Corrosion
Humidity
Mass
UL 489 – test sequence Z:
1801
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