● Overload protection
● Short circuit protection
● Controlling
● Protection for people and big length cables in TN and IT systems
● DC string protection: Protects the PV module from dangerous high DC back current
● Application in direct current circuit, like motors, auxiliary, circuits and photovoltaic.
● Used in industry and new energy
Technical specifications
● Standard: IEC 60898-2
● Rated current In (A): 6, 10, 16, 20, 25, 32, 40, 50, 63
● Number of poles: 1, 2
● Rated voltage Ue (V DC):
● 1P: 220
● 2P: 440
● Operational voltage Ub (V DC):
● Min. : 12
● Max. : 1P: 250; 2P: 500
● Rated insulation voltage (V AC): 500
● Rated frequency (Hz): 50/60
● Rated impulse withstand voltage (kA): 5
● Tripping characteristic: B, C
● Characteristic B (In): 4~7
● Characteristic C (In): 7~15
● Thermal operating limit (In): 1.13~1.45
● Rated breaking capacity:
| Model | Rated voltage(V) | Acc. to IEC 60898-2 |
Icn(kA) | Ics(kA) |
| 3SB71Z-63 | 1P | 220 V DC | 10 | 7.5 |
| 2P | 400 V DC | 10 | 7.5 |
● Mounting position: Any
● Conductor cross-sections
● Solid and stranded (mm²): 0.75-35
● Finely stranded with end sleeve (mm²): 0.75-25
● Terminal tightening torque (N·m): 2.8
● Ambient temperature (°C): -25 ~ +45, max. 95 % humidity
● Storage temperature (°C): -40 ~ +75
● Altitude (meters): Max. 2,000
● Connection Capacity (mm²): 1-25
References
● Additional components: page 189 ~ 191
Instruction of type code
Features
● The handle being sealable or equipped with padlock bracket avoids dangerous operation changes (ON / OFF)
● The handle provides a clear indication of the contact position
● Adequate printing of all data on the front provides long-term identification
● Energy limiting class: 3
● The emission of ionized gases is limited to the severest restrictions: 45 mm grid distance
● This MCB for household in accordance with IEC 60898-2, B, C tripping characteristics
● This MCB may be extended with:
● Full sets additional components
● Full sets of accessories
Add-on devices
Auxiliaries
Selection and ordering data
IEC 60898-2 10 kA
Outline and installation dimensions
English
