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Siemens 3RV2421-0AA10 S0 Circuit Breaker, 0.11-0.16A

Siemens 3RV2421-0AA10 S0 Circuit Breaker for Transformer Protection

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ManufacturerSiemens
Part number3RV2421-0AA10
Size S0
Rated Current 0.11-0.16 A (A-release)
Short-circuit release 3.3 A (N-release)
Terminal Type Screw terminal
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12-month warranty
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Veteran-owned
CAGE: 9NK75
Transformer protection Low-current adjustable overload Screw terminals Standard switching capacity Sensitive protection

The Siemens 3RV2421-0AA10 is a Size S0 circuit breaker designed for transformer protection. It features a very low adjustable overload protection setting (A-release) from 0.11 to 0.16 A and a short-circuit release (N-release) at 3.3 A. This model utilizes screw terminals for secure connections and offers standard switching capacity, making it suitable for protecting small transformers or sensitive electronic loads.

This highly sensitive circuit breaker is ideal for applications requiring precise protection of small transformers or sensitive electronic equipment where even minimal overcurrent needs to be detected and interrupted. It is commonly used in specialized industrial control systems, laboratory equipment, and niche automation applications where miniaturized components require robust safeguarding.

Stanlo Automation, a veteran-owned surplus parts distributor, provides the Siemens 3RV2421-0AA10. Sourcing from Stanlo offers a cost-effective solution for obtaining this specialized component, ensuring the protection of your critical low-current systems without overspending.

SizeS0
Rated Current0.11-0.16 A (A-release)
Short-circuit release3.3 A (N-release)
Terminal TypeScrew terminal
Switching CapacityStandard
Transformer protection
Sensitive electronic loads
Industrial control
Laboratory equipment
Small motor protection
Siemens SIRIUS 3RV2 series accessories
Siemens 3RV2 breaker 3RV24 series breaker S0 Siemens circuit breaker
Compatible with Siemens SIRIUS 3RV2 series motor protection circuit breakers. Suitable for replacing existing units with similar low-current protection requirements.
Expert tip
For optimal performance with very low currents, ensure the connected wiring is of appropriate gauge and free from excessive resistance.
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What is the purpose of the 3.3A short-circuit release on the Siemens 3RV2421-0AA10?
The 3.3A short-circuit release on the Siemens 3RV2421-0AA10 is designed to quickly interrupt high fault currents, protecting the connected equipment from damage. This rating is specifically chosen to coordinate with the low overload settings for small transformers and sensitive electronics.