Miniature Circuit Breakers
System pro
M
Technical data S 280
Specifications: DIN VDE 0641, DIN VDE 0660 Teil 1, BS 3871, IEC 898, EN 60 898, IEC 947-2
No. of poles: 1, 2, 3, 4, 1+NA, 3+NA
Tripping characteristics: B, C, K, Z, UC-B, UC-K, UC-Z
Rated current In: 0,2 ... 63 A
Rated voltage Un: single pole: 230 / 400 V
Max. operating voltage U
Min. operating voltage U
: AC: Un + 10 %, acc. to UL 1077 and CSA 22.2: 480 V
Bmax
: 12 V , 12 V ...
Bmin
Rated rupturing capacity
acc. to IEC 898, EN 60 898: see page 16
Selectivity class: S 3
Short-circuit rupturing capacity: see page 16
Frequency: 16 2/3... 60 Hz, other frequencies see page 14
Insulation acc. DIN VDE 0110 part 1 and 2
- Overvoltage category: III
- Pollution degree: 2
- Surge voltage: 5 kV (1.2/50 µs)
- Surge alternating voltage: 3 kV (50/60 Hz)
Housing: Moulded plastic group I (CTI 600) to DIN IEC 112/VDE 303 part 1 RAL 7035
Switching lever: Moulded plastic group II (400 CTI 600) black, sealable
Degree of protection acc. to
DIN VDE 0100: IP 20, when built in into distribution board: IP 40
Depth of unit: 68 mm
Dimensions: acc. to DIN 43 880, size 1, see page 37
Mounting position: optional
Mounting: snap-on fixing on standard profile rails EN 50 022, 35 x 7.5 or screw fixing by means of
Connection: Combi box terminals on top and bottom, safe against unintentional touch acc. to DIN
Thigtening torque: 2 Nm
Mech. service life: 20 000 operations
Service life at rated load: In 32 A: 20 000 operations
Climate resistance acc. to
DIN VDE 50 015 and DIN 68 part 2-30: constant climatic conditions 23/83, 40/93, 55/20 [°C/RH]
Storage temperature: T
Ambient temperature: T
Shock resistance acc. to DIN IEC 68-2-27
and DIN EN 60 068-2-27: 30 g minimum of 2 impacts duration of shock 13 ms
Vibration resistance acc. to DIN IEC 68-2-6
and DIN EN 60 068-2-6: 5 g, 20 cycles 5 ... 150 ... 5 Hz at 0.8 · I
Contact position indicator: OUT = green, ON = red
Weight: see selection tables
multipole 400 V
DC: 1-pole 60 V ... S 280 UC: 220 V ...
2-pole 110 V ... S 280 UC: 440 V ...
mounting plate (see accessories)
VDE 0106 part 100. Suitable for solid or flexible conductors from 0,75 mm2to 35 mm
(max. 25 mm2 when a max. 3 mm busbar is connected; from 0,75 mm2 with casing and
from 1,5 mm2 without)
In 32 A: 10 000 operations
variable climatic conditions 25/95 – 40/93 [°C/RH]
+ 70 °C, T
max
+ 55 °C, T
max
– 40 °C
min
– 25 °C
min
n
2
10