| product brand name |
SINOVA |
| product designation |
Circuit breaker |
| design of the product |
for motor protection |
| product type designation |
3MV8 |
| General technical data |
| power loss [W] total typical |
9 W |
| insulation voltage with degree of pollution 3 at AC rated value |
690 V |
| protection class IP |
|
| ● on the front |
IP20 |
| ● of the terminal |
IP20 |
| shock resistance according to IEC 60068-2-27 |
25 g / 11 ms |
| Net Weight |
0.29 kg |
| Ambient conditions |
| installation altitude at height above sea level maximum |
2 000 m |
| ambient temperature |
|
| ● during operation |
-20 ... +55 °C |
| ● during transport |
-25 ... +70 °C |
| Main circuit |
| number of poles for main current circuit |
3 |
| adjustable current response value current of the current-dependent overload release initial value |
14 A |
| operating voltage |
|
| ● rated value |
690 V |
| ● at AC-3 rated value maximum |
690 V |
| operating frequency rated value |
50 ... 60 Hz |
| operational current rated value |
20 A |
| operational current at AC-3 at 400 V rated value |
20 A |
| operating frequency at AC-3 maximum |
25 1/h |
| Protective and monitoring functions |
| trip class |
CLASS 10A |
| design of the overload release |
thermal |
| maximum short-circuit current breaking capacity (Icu) at AC at 400 V rated value |
6 kA |
| operating short-circuit current breaking capacity (Ics) at AC at 400 V rated value |
6 kA |
| response value current of instantaneous short-circuit trip unit |
240 A |
| Short-circuit protection |
| product function short circuit protection |
Yes |
| design of the short-circuit trip |
magnetic |
| Installation/ mounting/ dimensions |
| mounting position |
Vertical (can be rotated +/- 90° and tilted forward or backward +/- 90°) |
| fastening method |
screw and snap-on mounting onto 35 mm DIN rail according to DIN EN 50022 |
| height |
86 mm |
| width |
54 mm |
| depth |
70 mm |
| required spacing for grounded parts |
|
| ● forwards |
70 mm |
| ● backwards |
0 mm |
| ● upwards |
20 mm |
| ● at the side |
9 mm |
| ● downwards |
20 mm |
| Connections/ Terminals |
| type of electrical connection for main current circuit |
screw-type terminals |
| arrangement of electrical connectors for main current circuit |
Top and bottom |
| type of connectable conductor cross-sections for main contacts |
|
| ● solid or stranded |
2x (1 ... 6 mm²) |
| ● finely stranded with core end processing |
2x (1 ... 4 mm²) |
| type of connectable conductor cross-sections for auxiliary contacts |
|
| ● solid or stranded |
2x (0.5 ... 2.5 mm²) |
| ● finely stranded with core end processing |
2x (0.5 ... 1.5 mm²) |
| tightening torque |
|
| ● for main contacts with screw-type terminals |
1 ... 1.5 N·m |
| ● for auxiliary contacts with screw-type terminals |
0.8 ... 1.2 N·m |
| Electrical Safety |
| touch protection against electrical shock |
finger-safe |
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