Siemens, SENTRON, 3VA5 Molded Case Circuit Breaker 3-Pole 450 A, Breaking Capacity 100 kA, Fixed

View all MCCBs

Subtotal (1 unit)*

€2,413.86

(exc. VAT)

€2,969.05

(inc. VAT)

Add to Basket
Select or type quantity
Temporarily out of stock
  • Shipping from 23 February 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +€2,413.86

*price indicative

RS Stock No.:
257-349
Mfr. Part No.:
3VA5445-7EF31-0AA0
Manufacturer:
Siemens
Find similar products by selecting one or more attributes.
Select all

Brand

Siemens

Product Type

Molded Case Circuit Breaker

Range

SENTRON

Series

3VA5

Number of Poles

3

Current Rating

450 A

Breaking Capacity

100kA

Mount Type

Fixed

Rated AC Voltage

690 V ac

Rated DC Voltage

600 V

Terminal Type

Without

Width

138 mm

Standards/Approvals

ABS, CCC, CE, EAC, RCM, UKCA, UL

Depth

110mm

Height

248mm

Tripping Characteristics

Type C

Tripping Mechanism

Thermal Magnetic

COO (Country of Origin):
CZ
The Siemens Molded Case Circuit Breaker ensures superior line protection with a breaking capacity of up to 100 kA at 480 V, making it well suited for a variety of applications including heating, air conditioning, and refrigeration systems. Its innovative design, featuring three poles, meets the rigorous standards set by UL and IEC, delivering peace of mind for critical operations.

Robust design ensures resilience against electrical and mechanical wear

Equipped to handle a broad range of operational currents

Exceptional endurance ratings ensure long lasting reliability

Compliant with international safety and performance standards

Designed to withstand a wide range of ambient temperatures

Optional motor drive extension enhances operational flexibility

Related links