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Siemens, SENTRON MCCB 3P 125A, Breaking Capacity 25 kA, Fixed Mount

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RS 제품 번호:
874-4165
제조사 부품 번호:
3VA1112-3ED36-0AA0
제조업체:
Siemens
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브랜드

Siemens

Range

SENTRON

Series

3VA

Number of Poles

3

Current Rating

125A

Breaking Capacity at Maximum Voltage Rating

25 kA

Rated AC Voltage

690V

Rated DC Voltage

500V

Mounting Style

Fixed

Length

76.2mm

Width

130mm

Depth

70mm

Better World Product

Yes

Better World Claim

Extended product life, Saves energy

Mounting Hole Diameter

4.2mm

Circuit Breaker Type

MCCB

Terminal Contact Type

Box

Tripping Mechanism

Thermal-Magnetic

Reset Actuator Type

Toggle Switch

Break Time

Instantaneous

COO (Country of Origin):
CZ

Siemens 3VA Series MCCB, 125A Current Rating, 690V Rated AC Voltage - 3VA1112-3ED36-0AA0


This moulded case circuit breaker (MCCB) from Siemens is designed to provide outstanding protection and reliability in industrial applications. The 3-pole configuration supports a current rating of 125A, along with an impressive breaking capacity of 25 kA at a maximum voltage rating of 690V. With a fixed mounting style, it ensures stability and durability in any environment.

Features & Benefits


• Thermal-magnetic circuit breaker combines overload and short-circuit protection
• High breaking capacity ensures effective protection against faults
• Designed for three-pole configurations for versatile system integration
• Capable of operating at 690V AC and 500V DC to meet diverse voltage needs
• Quick reset using a toggle switch for user-friendly operation
• Compact design allows easy installation in various industrial settings

Applications


• Used for line protection in electrical panels
• Suitable for industrial automation control systems
• Ideal for protecting motors and machinery from overloads
• Implemented in power distribution systems requiring high reliability
• Utilised in environments with high fault current scenarios

How does this MCCB manage overheating during continuous operation?


The thermal-magnetic mechanism responds to heat generated by excess current, allowing the device to trip and disconnect the circuit, preventing potential damage due to overheating.

What is the operational current range at different temperatures?


At 40°C, the operational current remains at 125A, while at higher temperatures, it gradually decreases to 114A at 70°C, ensuring performance stability under varying thermal conditions.

Can this circuit breaker be retrofitted for specific applications?


While primarily designed for fixed installation, it includes features for neutral conductors and is adaptable for various electrical configurations, though specific retrofitting options may depend on installation conditions.


Siemens 3VA MCCBs and accessories

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