Home › Manufacturers › Siemens › 5SY7432-8

Siemens

Siemens 5SY7432-8 Miniature Circuit Breaker: 4-Pole, 32A, D-Curve

Siemens 5SY7432-8 4-Pole Miniature Circuit Breaker, 32A

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

In Stock — Ready to Ship

ManufacturerSiemens

Part number5SY7432-8

Voltage 400V

Breaking Capacity 15kA

Poles 4

Curve Type D

Get a price for 5SY7432-8

Response within 1 business hour

🛡

12-month warranty

All units tested

⚡

Same-day dispatch

Order by 2pm CST

🌐

Worldwide delivery

US, EU, Asia, Middle East

🎖

Veteran-owned

CAGE: 9NK75

4-pole protection 15kA interrupting capacity Type D tripping characteristic 400V operational voltage 32A current handling

Product description

The Siemens 5SY7432-8 is a high-capacity 4-pole miniature circuit breaker designed for the robust protection of four-conductor circuits. It features a 400V operational voltage and a 15kA breaking capacity, suitable for demanding industrial applications. This breaker utilizes a Type D tripping characteristic, making it excellent for equipment with high starting currents, and has a 32A rating.

This 4-pole breaker is ideal for protecting three-phase circuits that include a neutral conductor, particularly when powering large motors, transformers, or other machinery with significant inrush currents. It ensures reliable protection and operational continuity.

As a veteran-owned business, Stanlo Automation is your trusted provider of quality surplus industrial automation components. We offer competitive pricing and a commitment to delivering excellent service, ensuring your operational needs are met efficiently.

Technical specifications

Voltage	400V
Breaking Capacity	15kA
Poles	4
Curve Type	D
Current Rating	32A
Width	70mm

Common applications

Large three-phase motor circuits with neutral

Industrial machinery

High power distribution

Heavy duty equipment

Manufacturing facilities

Compatible systems

Standard DIN rail mounting systems

Also known as

Siemens 5SY7432-8 MCB Siemens 32A 4-pole breaker 5SY7 series breaker

Replaces / compatible with

This 4-pole Type D circuit breaker can replace other Siemens 4-pole miniature circuit breakers with similar electrical ratings. Always consult manufacturer specifications for definitive compatibility.

Technical note

Expert tip

Ensure proper torque is applied to the terminals when installing, especially for high current ratings like 32A, to maintain reliable connections and prevent overheating.

What happens next?

Email confirmation

Immediate receipt acknowledgment sent to you

Account manager assigned

Confirms your part's spec and condition

Your quote delivered

Tailored to your specific requirements

Frequently asked questions

What is the significance of the 70mm width for the Siemens 5SY7432-8 4-pole breaker?

The 70mm width of the Siemens 5SY7432-8 refers to its physical dimension, specifically the total width occupied by the four poles when mounted. This standard width allows it to fit within typical industrial panel enclosures and DIN rail mounting systems, ensuring ease of integration into existing electrical infrastructure.