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Datasheet> All Categories > Circuit protection> 8340-T120-K1T2-ALH126-3A
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8340-T120-K1T2-ALH126-3A

Description
Circuit Breakers 1077, 2p, DIN, 240/415VAC Long Delay, N/O Aux, 3A
CategoryCircuit protection   
File Size402KB，6 Pages
ManufacturerE-T-A Circuit Breakers
Environmental Compliance
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8340-T120-K1T2-ALH126-3A Overview

Circuit Breakers 1077, 2p, DIN, 240/415VAC Long Delay, N/O Aux, 3A

8340-T120-K1T2-ALH126-3A Parametric

Parameter NameAttribute value
Product AttributeAttribute Value
ManufacturerE-T-A Circuit Breakers
Product CategoryCircuit Breakers
RoHSDetails
Factory Pack Quantity1

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Magnetic and Hydraulic-Magnetic Circuit Breaker 8340-T...
Description
Single, two and three pole magnetic and hydraulic-magnetic circuit
breakers with trip-free mechanism and toggle actuation. A choice of
fast magnetic only or hydraulically delayed switching characteristics
(S-type MO or HM CBE to EN 60934) ensures suitability for a wide
range of applications. Featuring a combi-foot design for symmetric rail
mounting. Low temperature sensitivity at rated load.
Approved to CBE standard EN 60934 (IEC 60934).
Typical applications
Power supplies, control equipment, communication systems, EDP
systems.
Standard current ratings and typical internal resistance values
Current
rating (A)
0,02
0,05
0,1
0,25
0,5
0,75
1
2
2,5
3
5
6
8
10
12
15
16
20
25
30
40
50
Internal resistance values (Ω) per pole
F1
1 493
276
58
8,2
2,3
0,98
0,58
0,145
0,096
0,065
0,025
< 0,02
< 0,02
< 0,02
< 0,02
< 0,02
< 0,02
< 0,02
< 0,02
< 0,02
< 0,01
< 0,01
953
152
37
6,0
1,47
0,63
0,35
0,096
0,061
0,048
< 0,02
< 0,02
< 0,02
< 0,02
< 0,02
< 0,02
< 0,02
< 0,02
< 0,02
< 0,02
-
-
F2
K1, M1, T1
2 669
452
100
15,5
3,9
1,65
0,95
0,26
0,15
0,10
0,042
0,029
< 0,02
< 0,02
< 0,02
< 0,02
< 0,02
< 0,02
< 0,02
< 0,02
< 0,01
< 0,01
K2, M2, T2
2 457
376
94
14,7
3,2
1,56
0,90
0,20
0,15
0,10
0,040
0,028
< 0,02
< 0,02
< 0,02
< 0,02
< 0,02
< 0,02
< 0,02
< 0,02
-
-
single pole
8340-T...
1
three pole
Technical data
For further details please see chapter: Technical Information
Voltage rating
3 AC 415V; AC 240V (50/60Hz); DC 80V
(higher DC voltages to special order)
Current rating range
0.02...50 A DC
0.02...30 A AC
Auxiliary circuit
1 A, AC 240 V/DC 65 V; 0.5 A DC 80 V
Typical life
3 AC 415 V AC 240 V:
0.02...30 A 6,000 operations at 1 x I
N
, inductive
10,000 operations at 1 x I
N
, resistive
WDC 80 V: 0.02...25 A 6,000 operations at 1 x I
N
, inductive
0.02...30 A 10,000 operations at 1 x I
N
, resistive
40 + 50 A 6,000 operations at 1 x I
N
, resistive
Ambient temperature
-40...+85 °C (-40...+185 °F)
Insulation co-ordination
rated impulse
pollution
(IEC 60664 and 60664A)
withstand voltage
degree
2.5 kV
2
reinforced insulation in operating area
Dielectric strength
(IEC 60664 and 60664A)
operating area
test voltage AC 3,000 V
Line to Load
test voltage AC 1,500 V
pole to pole
(2- and 3-pole)
test voltage AC 1,500 V
main to auxiliary circuit test voltage AC 1,500 V
Insulation resistance
> 100 MΩ (DC 500 V)
Interrupting capacity
6 x IN at AC;
IEC 60934 - test sequence E 4 x IN at DC
Interrupting capacity
I
N
0.02...20 A
25...30 A
(UL 1077)
AC:
1-pole AC 250 V/3,500A AC 250 V/3,500A
2-pole
3-pole
DC:
1-pole
2-pole
AC 250 V/3,500A
3AC 250V/3,500A
0.02...50 A
0.02...30 A
AC 250 V/5,000A
3AC250V/5,000A
DC 80 V/3,500 A
DC 80 V/3500 A
Degree of protection
(IEC 60529/DIN 40050)
Vibration
with toggle down:
directions 1, 2, 3, 4, 5:
with curves F1, F2:
operating area IP40
terminal area IP20
10 g at 0.9 I
N
10 g at 1 x I
N
10 g at 0.8 x I
N
in all planes.
(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. 98 g per pole
Shock
directions 1, 2, 3, 4, 5:
direction 6:
with curves F1, F2:
Corrosion
Humidity
Mass
1708
www.e-t-a.de
1

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