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HUMAN MACHINE INTERFACE (HMI)
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PROGRAMMABLE LOGIC CONTROLLER (PLC)
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SPEED CONTROL
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CONTROLLER
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VACCUM CONTACTOR
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FLOW SWITCH
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AC DRIVE
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RELAY
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VACCUM CIRCUIT BREAKER
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CENTRAL PROCESSING UNIT (CPU)
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MODULE
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AIR CIRCUIT BREAKER (ACB)
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OTHERS
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DC DRIVE
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CONVERTER
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SERVO MOTOR
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CONTACTOR
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POWER SUPPLY
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SERVO AC DRIVE
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DIGITAL METER
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SOFT STARTER
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MOULDED CASE CIRCUIT BREAKER (MCCB)
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CIRCUIT BOARDS
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ELECTROMAGNETIC FLOW METER
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AUTOMATIC VOLTAGE REGULATOR (AVR)
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Siemens VL400N 400A 3 Pole MCCB
Specification Details
Brand: Siemens
Series / Frame: SENTRON 3VL / VL400N (3VL4)
Part Number / MPN: 3VL4740-1DC36-0AA0 (Base Switch Frame: 3VL4740-1AA36-0AA0)
Product Type: Molded Case Circuit Breaker (MCCB)
Number of Poles: 3 Pole (3P)
Rated Current: 400A (at 50°C ambient temperature)
Overload Adjustment Range: 320A – 400A
Short-Circuit Trip Range: 2000A – 4000A
Trip Unit Technology: Thermal-Magnetic (TM, LI – Long-Time & Instantaneous)
NEMA Interrupting Rating: 25kA @ 480V AC | 20kA @ 600V AC
Rated Impulse Withstand Voltage: 8 kV
Frequency: 50/60 Hz
Utilization Category: Cat. A
Mounting Style: Fixed / Bolt-On Front Screw Terminals
Standards & Certifications: IEC 60947-2, EN 60947-2, GB 14048.2, CE
Dimensions (H x W x D): 279.5 mm x 139 mm x 163.5 mm
Approximate Weight: 5.7 kg – 6.15 kg
Status: Used Excellent Working (As Per Photos)
Country of Origin: Made in Germany
Shipping: Fast & Safe Worldwide Shipping Available.
| Brand | Siemens |
|---|---|
| Category | MCCB |
- High Current & Breaking Capacity Rated at 400A nominal current (\(I_{n}\)) with a standard breaking capacity (\(I_{cu}\)) of 55kA at 380/415V AC for dependable industrial circuit protection.
- Adjustable Thermal-Magnetic Protection Equipped with a TM LI trip unit featuring adjustable overload protection (\(I_{r}\): 320A–400A) and short-circuit protection (\(I_{i}\): 2000A–4000A).
- 3-Pole Industrial Design Heavy-duty 3-pole frame (3VL4 series) engineered for three-phase power distribution panels, switchgear, and motor control centers.
- Global Standards Compliance Manufactured to meet IEC 60947-2, EN 60947-2, and GB 14048.2 international safety and performance standards.
- High Surge & Dielectric Strength Built with an impulse withstand voltage (\(U_{imp}\)) of 8 kV and operational voltage ratings up to 690V AC / 250V DC.
