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Siemens, SENTRON, 3VA1 Molded Case Circuit Breaker 3-Pole 250 A, Breaking Capacity 36 kA

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€ 1.131,20

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€ 1.368,75

(incl. BTW)

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RS-stocknr.:
209-6881
Artikelnummer Distrelec:
301-38-053
Fabrikantnummer:
3VA1225-4EF32-0AA0
Fabrikant:
Siemens
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Merk

Siemens

Product Type

Molded Case Circuit Breaker

Range

SENTRON

Series

3VA1

Number of Poles

3

Current Rating

250 A

Breaking Capacity

36kA

Rated AC Voltage

690 V

Rated DC Voltage

500 V

Standards/Approvals

RoHS, CCC, CE, EAC, EN, IEC, VDE

Height

158mm

Depth

158mm

Width

70 mm

Better World Claim

Extended Product Life, Saves Energy

Better World Product

Yes

Tripping Mechanism

Thermal Magnetic

Tripping Characteristics

Type S

Reset Actuator Type

Toggle Switch

Land van herkomst:
CZ

Siemens 3VA1 Series MCCB, 250A Current Rating, 36 kA Breaking Capacity - 3VA1225-4EF32-0AA0


This MCCB is an essential component in electrical distribution systems. Designed for line protection, it offers advanced overcurrent and short-circuit protection. With three poles and a current rating of 250A, this circuit breaker ensures reliability in industrial applications. It features a compact design with dimensions of 105mm in length, 70mm in width, and 158mm in depth, making it suitable for various installations.

Features & Benefits


• High breaking capacity of 36 kA at 415V enhances safety

• Type S tripping characteristics ensure precise fault detection

• Adjustable overload protection ranges from 175A to 250A

• Suitable for AC and DC operations with a rated voltage of 690V

• Robust mechanical and electrical endurance with up to 20,000 operating cycles

• Convenient toggle switch reset actuator for user-friendly operation

Applications


• Used for protecting motor circuits in industrial environments

• Employed in substations for reliable power distribution

• Ideal for requiring robust short-circuit protection

• Utilised in switchgear for enhanced operational safety

• Implemented in commercial buildings for power management

What happens if the operational current exceeds the rated limit?


Exceeding the operational current of 250A may trigger the built-in thermal protection, leading to the circuit breaker tripping to prevent overheating and potential damage to connected equipment.

How does the adjustable overload protection work?


The adjustable overload protection allows users to set the desired threshold between 175A and 250A based on specific load requirements, ensuring optimal performance while safeguarding against current surges.

Can this device function in extreme temperatures?


Yes, it operates efficiently between -25°C and 70°C, allowing flexible deployment in various environments, including harsh industrial settings.

What is the advantage of the Type S tripping characteristics?


Type S tripping characteristics provide precise fault detection, reducing the risk of nuisance tripping and allowing for more accurate operation in complex circuit configurations.

How does the breaking capacity vary with different voltage levels?


The breaking capacity is maximised at 36 kA for 415V, ensuring safe interruption of high fault currents, while it decreases for higher voltages, notably lower for 690V at 7 kA, tailored to specific application needs.

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