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Siemens 5SU1374-8AK81 Specifications, Features & Compatibility Guide
✓ Who Should Buy
- • performance suitable for residential spaces.
- •Verified efficiency of standard rating for reduced long-term operational costs.
- •Structural stability for consistent cleaning under rigorous use cases.
- •Hardware durability via premium components and advanced technology.
- •Built-in grid protection with Standard power cycle voltage management.
✕ Who Should Avoid
- •Spaces or usage requirements exceeding residential rated capacity.
- •Installations prioritizing minimum capital expenditure over high-efficiency performance.
- •Unstable grid conditions exceeding the functional threshold of Standard power cycle.
- •Environments incompatible with electrical safety devices physical and thermal dissipation specs.
Product Overview
The Siemens 5SU1374-8AK81 is a heavy-duty 4P 100A RCBO engineered for 400V industrial power systems requiring specialized Type B residual current detection. Installed as a main incomer, this 72mm unit combines 30mA earth leakage sensing with robust overload and short circuit protection.
Related Products
Electrical Safety Devices Service Experts
Verified Stabilizer & Electrical Safety professionals for installation, repair and servicing.
N
NSR ELECTRICALS AND BUILDING SOLUTIONS
20 yrs experience
LB Nagar, Nagole
S
Sai Electricals Services
10 yrs experience
Nagole, LB Nagar +6 more
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Engineering Analysis
The 30mA sensitivity is vital for personnel protection in high-risk zones, while the 10kA breaking capacity safely interrupts massive faults at the main distribution source. Its 4P configuration provides a switched neutral, which is essential for isolating the entire 440V circuit from potential neutral-to-earth voltage hazards.
Technical Support & FAQs
Engineering Analysis
The 30mA sensitivity is vital for personnel protection in high-risk zones, while the 10kA breaking capacity safely interrupts massive faults at the main distribution source. Its 4P configuration provides a switched neutral, which is essential for isolating the entire 440V circuit from potential neutral-to-earth voltage hazards.