5SY63087 – Siemens 8A 3-Pole Miniature Circuit Breaker, C-Curve, 400V

5SY63087

The Siemens 5SY63087 is a precision-engineered 3-pole miniature circuit breaker from the reliable Sentron 5SY6 Series, designed to deliver dependable overload and short-circuit protection in modern electrical systems. Rated for 8 amps and 400V AC, this breaker features a C-curve tripping characteristic and a 6kA interrupting capacity, providing consistent protection for branch circuits and control applications. Its 70mm installation depth and DIN-rail mounting make it an ideal fit for compact distribution panels and control assemblies. Constructed with touch-safe terminals, halogen-free materials, and proven Siemens quality, the 5SY63087 ensures long-lasting performance and enhanced safety in commercial and industrial environments. At Essential Parts, we offer the 5SY63087 with fast shipping, competitive pricing, and expert support — so you can keep your projects on time and on budget. Its compact 70 mm installation depth and DIN-rail mounting design make it ideal for use in control panels and distribution systems. Compatible with conductors ranging from 0.75 to 35 mm², it’s suited for many industrial and commercial applications. Key Specifications:

• Part Number: 5SY63087
• Manufacturer: Siemens / Sentron
• Type: Miniature Circuit Breaker (MCB)
• Current Rating: 8 A
• Poles: 3-Pole
• Trip Curve: C-Curve
• Voltage: 400 V AC
• Interrupting Capacity: 6 kA
• Installation Depth: 70 mm
• Conductor Range: 0.75 – 35 mm²
• Protection Class: IP20 (with conductors)

Specifications

• Part Number: 5SY63087
• Manufacturer : Siemens
• Brand : Siemens
• Category : Circuit Breaker
• Item Subcategory : Molded Case
• Family : 5SY Series
• Voltage : 400
• Amperage : 8
• AIC rating : 6kA@400V
• Connection : Feed-Thru
• Protection : Thermal Magnetic

Product Data

• Country of Origin : Germany
• Dimensions : 3.701 x 2.283 x 3.307 inch
• Weight : 1.019 lb