Siemens SENTRON 3VA MCCB – Thermal Magnetic Trip Unit – 3VA1220-5EF32-0AA0
The Siemens 3VA1220-5EF32-0AA0 is a SENTRON 3VA1
series molded case circuit breaker (MCCB) designed for reliable protection
of low-voltage electrical distribution systems against overload and
short-circuit faults. It is widely used in industrial switchboards, PCC
panels, MCC systems, and commercial power distribution networks where high
fault interruption capability and dependable protection are required.
This model features a thermal magnetic trip unit (TM240 /
ATAM – Adjustable Thermal Adjustable Magnetic) that provides adjustable
overload and instantaneous short-circuit protection for improved protection
coordination and system flexibility. It belongs to the 3VA12 frame series
and is designed with a 3-pole configuration for three-phase distribution
applications.
With a rated current of 200A and a breaking
capacity of 55kA at 415V AC, the breaker is suitable for demanding
industrial applications with high prospective fault levels. The breaker
supports fixed mounting installation and complies with IEC standards for
low-voltage switchgear and controlgear.
Key Features
|
Parameter |
Specification |
|
Product Model |
3VA1220-5EF32-0AA0 |
|
Brand |
Siemens |
|
Series |
SENTRON 3VA1 |
|
Type |
MCCB (Molded Case Circuit Breaker) |
|
Trip Unit |
TM240 (ATAM) |
|
Rated Current |
200 A |
|
Number of Poles |
3 Pole |
|
Breaking Capacity (Icu) |
55 kA @ 415 V AC |
|
Rated Operational Voltage |
Up to 690 V AC |
|
Rated DC Voltage |
Up to 500 V DC |
|
Protection Type |
Adjustable overload + short-circuit protection |
|
Mounting Type |
Fixed mounting |
|
Connection Type |
Lug terminal / nut keeper |
|
Degree of Protection |
IP40 |
|
Standards |
IEC 60947-2 |
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