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Siemens 5SY6216-6 Miniature Circuit Breaker - 16A, 2-Pole

Siemens 5SY6216-6 2-pole miniature circuit breaker with B-curve.

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ManufacturerSiemens
Part number5SY6216-6
Type Miniature Circuit Breaker
Manufacturer Siemens
Part Number 5SY6216-6
Poles 2
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2-pole circuit protection B-curve tripping 6kA interrupting capacity 400V AC rated voltage Standard DIN rail mount

The Siemens 5SY6216-6 is a high-quality miniature circuit breaker engineered for robust electrical circuit protection. This 2-pole device is equipped with a B-curve tripping characteristic, a rated current of 16A, and a significant breaking capacity of 6kA at 400V. Its design, with a D-dimension of 70mm, facilitates easy integration into standard electrical enclosures.

This circuit breaker is particularly suited for residential and small commercial applications where sensitive electronic equipment or lighting circuits are present. The B-curve provides protection against overloads and short circuits with a lower trip threshold (2.5 to 5 times the rated current), safeguarding against rapid current surges.

Stanlo Automation, a proud veteran-owned business, offers the Siemens 5SY6216-6 as part of our extensive inventory of surplus industrial automation components. We are dedicated to providing reliable, cost-effective solutions and ensuring your operational continuity with expertly sourced parts.

TypeMiniature Circuit Breaker
ManufacturerSiemens
Part Number5SY6216-6
Poles2
Rated Current16A
Tripping CharacteristicB
Rated Voltage400V AC
Breaking Capacity6kA
Width70 mm
Residential electrical panels
Small commercial buildings
Protection of sensitive electronics
Lighting circuits
Overload and short-circuit protection
Standard DIN rail mounting systems
Siemens 5SY6216-6 MCB Siemens 16A 2-pole breaker Siemens B-curve breaker 400V
Replaces older Siemens circuit breakers with similar ratings and specifications. Consult manufacturer documentation for exact compatibility.
Expert tip
The B-curve characteristic is optimal for applications where rapid tripping for lower overcurrents is desired, such as protecting sensitive data lines or smaller resistive loads.
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What is the difference between a B-curve and C-curve breaker like the Siemens 5SY6216-6?
The primary difference lies in their tripping sensitivity. The Siemens 5SY6216-6 has a B-curve, which trips between 2.5 to 5 times its rated current, ideal for resistive loads and sensitive electronics. A C-curve breaker, like other models in the 5SY6 series, trips between 5 to 10 times the rated current, better suited for inductive loads with higher inrush currents.