4/94 Cam switches, switch-disconnectors
Cam switches
2010 CA08103002Z-EN
www.eaton.comCamswitches
T0-...
T3-...
General
Standards
IEC/EN 60947, VDE 0660, IEC/EN 60204, CSA, UL,
Switch-disconnectors to IEC/EN 60947-3
Load-break switch according to IEC/EN 60947-3
Lifespan, mechanical
Operations
x 10
6
0.5
0.5
Maximum operating frequency
Operations/h
3000
3000
Climatic proofing
Damp heat, constant, to IEC 60068-2-78;
Damp heat, cyclic to IEC 60068-2-30
Ambient temperature
Open
°C
-25 - 50
-25 - 50
Enclosed
°C
-25 - 40
-25 - 40
Mounting position
Any
Any
Mechanical shock resistance to IEC 60068-2-27
Half-sinusoidal
shock 20 ms
g
> 15
> 15
Contacts
Rated operational voltage
U
e
V AC
690
690
Rated impulse withstand voltage
U
imp
V AC
6000
6000
Overvoltage category/pollution degree
III/3
III/3
Rated uninterrupted current
Open
I
u
A
20
32
Enclosed
I
u
A
20
32
Load rating with intermittent operation, class 12
AB 25 % DF
x I
e
2
2
AB 40 % DF
x I
e
1.6
1.6
AB 60 % DF
x I
e
1.3
1.3
Short-circuit rating
Fuse
A gG/gL 20
35
Rated short-time withstand current (1 s current)
I
cw
A
rms
320
650
Safe isolation according to EN 61140
Between the contacts
V AC
440
440
Switching angle
°
90
60
45
30
90
60
45
30
Contact units
Max. 11
Max. 11
Contacts with double-break
Max. 22
Max. 22
Current heat loss per contact at I
e
W 0.6
1.1
Terminal capacity
Solid or stranded
mm
2
1 x (1 - 2.5)
2 x (1 - 2.5)
1 x (1 - 6)
2 x (1 - 6)
Flexible with ferrule to DIN 46228
mm
2
1 x (0.75 - 1.5)
2 x (0.75 - 1.5)
1 x (0.75 - 4)
2 x (0.75 - 4)
Flat terminal for rails
mm
2
Terminal screw
M3.5
M4
Tightening torque
Nm
1
2
Notes
The following applies for mechanical shock resistance: T3.../I... >12g
Applies to T0(3).../SVB: isolating characteristics to IEC/EN 60947 for rated operational voltage
U
e
up to 500 VAC
The following applies to rated uninterrupted current
I
u
of contacts: max. 95 A with T5-4-8344/I5
The following applies for solid, stranded and flexible terminal capacities:
T0(3), (6), (8)...: if 2 conductors are used, a max. difference of 2 cross-section sizes is permissible
T5(B)-...: if 2 conductors are used, a max. difference of one cross-section sizes is permissible
The following applies for part no. T8-3-8342/...: switching angle = 90° and flat conductor connection = 1 flat conductor,
25 x 5, or 2 flat conductors, 20 x 3
T




