Purchase genuine Siemens 3RV2321-4AC10 online for your automation system. The Siemens 3RV2321-4AC10 is a highly reliable motor protection circuit breaker (MPCB) designed for demanding industrial environments. As part of the SIRIUS series, it offers robust protection for 3-phase motor circuits, making it an essential component in factory and process automation. With a rated current of 16A and magnetic-only trip (no thermal release), this MPCB provides fast, dependable short-circuit protection with an N-release at 208A. It features a screw-terminal connection for secure wiring, standard switching capacity, and a compact Size S0 footprint—ideal for integration into starter combinations and control panels. Whether you’re upgrading an existing system or building a new machine, buy Siemens 3RV2321-4AC10 for trusted performance and long service life.
Key Features of Siemens 3RV2321-4AC10
Magnetic-only trip (no thermal release) for rapid response to short circuits
Rated current: 16A; N-release: 208A
3-pole design for 3-phase AC motor protection
Screw terminal connection for reliable, vibration-resistant installation
Rated operating voltage up to 690V AC, 50/60Hz
Standard switching capacity, suitable for industrial starter applications
Compact Size S0, easy to integrate into starter combinations
High mechanical and electrical endurance: up to 100,000 switching cycles
Active power loss: 7W typical
Protection class IP20 on front and terminals
Technical Specs of Siemens 3RV2321-4AC10
Review Siemens 3RV2321-4AC10 technical data for detailed parameters before installation.
Parameter
Value
Rated Current
16A
N-release
208A
Poles
3
Rated Voltage
690V AC
Switching Capacity
Standard
Connection Type
Screw Terminal
Size
S0
Mechanical Endurance
100,000 cycles
Electrical Endurance
100,000 cycles
Power Loss
7W (typical)
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3RV2321-4AC10
$73.89
ACHIEVING
4.0
average rating
With
95%
positive reviews
LESS THAN
1%
return rate
Any questions?
Does it come with a warranty?
Yes, All products are offered wth 1-Year warranty.
What is the condition of the product?
All products sold are New & Unused.
How fast is shipping?
All products are delivered within 2-8 business days depending on our stock location.
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