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8345-C12B-S3M2-DB1B1C-25A

Description
cir brkr 25a 277vac 80vdc
CategoryCircuit protection   
File Size215KB,7 Pages
ManufacturerE-T-A [E-T-A Circuit Breakers]
Environmental Compliance  
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8345-C12B-S3M2-DB1B1C-25A Overview

cir brkr 25a 277vac 80vdc

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.
8345
1-pole
2-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
K1, M1, T1,
K2, M2, T2
452
376
100
0.95
0.26
0.10
0.042
< 0.02
< 0.02
< 0.02
< 0.02
< 0.02
<
<
<
<
<
<
0.01
0.01
0.01
0.01
0.01
0.01
94
0.90
0.20
0.10
0.040
< 0.02
< 0.02
< 0.02
< 0.02
< 0.02
<
<
<
<
<
<
0.01
0.01
0.01
0.01
0.01
0.01
Technical data
Voltage rating
Current rating range
3 AC 415 V; AC 277/480 V;
AC 120/240 V; AC 240 V; DC 80 V,
0.05...125 A single and multipole
150...180 A single pole, two poles
connected in parallel
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 voltage
AC 3,000 V
AC 1,500 V
AC 3,000 V
AC 1,500 V
> 100 MΩ (DC 500 V)
operating area IP40
terminal area IP00
10 g (57-2000 Hz) ±0,76mm (10-57Hz)
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 60068-2-3, test Ca
approx. 90 - 120 g per pole
depending on version
3
Auxiliary circuit
Typical life
Ambient temperature
Insulation co-ordination
(IEC 60664)
Dielectric strength
operating area
pole to pole
main to auxiliary circuit
switching to trip circuit
Insulation resistance
Degree of protection
(IEC 60529)
Vibration
with toggle down:
directions 1, 2, 3, 4, 5:
with curves F1, F2:
Interrupting capacity
to EN 60934, UL 489 and UL 1077
IEC 60934 – test series E
voltage
number of poles
DC 80 V
1+2
AC 240/415 V
1-6
AC 240 V
1
UL 489 – test sequence Z
voltage
number of poles
DC 80 V
1+2
AC 120 V
1
AC 120/240 V
1
AC 240 V
1 (2)
UL 1077
voltage
number of poles
DC 80 V
1+2
AC 277/480 V
1-6
I
N
max. (A)
0.02...125
0.02...80
0.02...20
I
cn
(A)
10,000
6 x I
N
5,000
Shock
directions 1, 2, 3, 4, 5:
direction 6:
with curves F1, F2:
Corrosion
Humidity
Mass
I
N
max. (A)
0.5...125
0.5...80
0.5...80
0.5...20
I
cn
(A)
10,000
5,000
5,000
5,000
Approvals
VDE (EN 60934)
UL 489
UL 1077
CCC
1- to 6-pole
1- to 6-pole
1- to 4-pole
I
N
max. (A)
0.02...125
0.02...70
I
cn
(A)
10,000
5,000
06/07
(101106)
www.e-t-a.com
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