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3WN6321-0GV58-3KA1

The 3WN6321-0GV58-3KA1 is a fixed-mounted air circuit breaker from Siemens' 3WN6 series, designed for low-voltage power distribution systems. This breaker provides reliable overcurrent and short-circuit protection for industrial and commercial applications.

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TEL：400-887-3214
Mail：jilineasyyi@outlook.com
Q Q：615739355
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Key Features
✔ High breaking capacity up to 65kA
✔ Advanced trip unit with communication capability
✔ Fixed installation design for panel mounting
✔ Energy monitoring functionality
✔ Modbus RTU communication (optional)

3. Technical Specifications
3.1 Electrical Ratings

Parameter Specification
Rated current (Iu) 630A
Rated operational voltage (Ue) 690V AC
Rated insulation voltage (Ui) 1000V AC
Ultimate breaking capacity (Icu) 65kA at 415V
Rated short-time withstand current (Icw) 50kA/1s
3.2 Trip Unit Characteristics

ETU (Electronic Trip Unit): Micrologic 5.0A

Protection functions:

Long-time delay (L)

Short-time delay (S)

Instantaneous (I)

Ground fault (G)

Adjustable settings via front panel

3.3 Mechanical Data

Enclosure size: 3-pole, 250mm width

Mounting: Fixed

Terminals: Front and rear access

Operating mechanism: Spring-charged

Mechanical endurance: 10,000 operations

3.4 Communication (Optional)

Protocol: Modbus RTU (RS485)

Data points: 50+ measured parameters

Communication speed: Up to 19200 bps

4. Standards & Certifications
IEC 60947-2

UL 1066

CE marked

RoHS compliant

5. Typical Applications
Main power distribution boards

Industrial plant power systems

Large commercial buildings

Data center power distribution

Renewable energy installations