SIEMENS IEC Supplementary Protector: 25 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp
The SIEMENS IEC Supplementary Protector (SKU 5SY42258, MPN 5SY42258) is a 25 A, D-curve, 2-pole UL1077 DIN rail-mount supplementary protector from the 5SY4 series. It is rated for 400V AC with a breaking capacity of…
SKU 3G-OTH-127451
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The SIEMENS IEC Supplementary Protector (SKU 5SY42258, MPN 5SY42258) is a 25 A, D-curve, 2-pole UL1077 DIN rail-mount supplementary protector from the 5SY4 series. It is rated for 400V AC with a breaking capacity of 10kA at 400V AC and 72V DC, and features screw clamp terminals.
Frequently Asked Questions
What is the SIEMENS IEC Supplementary Protector 5SY42258 used for?
The SIEMENS IEC Supplementary Protector 5SY42258 is used to protect industrial control circuits, HVAC equipment, and motor starters from overcurrents and short circuits. Its D-curve trip characteristic makes it suitable for loads with high inrush currents, such as transformers and solenoid valves, in DIN rail-mounted panels.
What are the specifications of the SIEMENS 5SY42258 supplementary protector?
The SIEMENS 5SY42258 is a 25 A, D-curve, 2-pole supplementary protector rated for 400V AC and 72V DC. It has a breaking capacity of 10kA at 400V AC and uses screw clamp terminals. It is part of the 5SY4 series and complies with UL1077 for DIN rail mounting.
Where to buy the SIEMENS 5SY42258 supplementary protector worldwide?
You can source the SIEMENS 5SY42258 supplementary protector through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead times on this 5SY4 series component.
How to install the SIEMENS 5SY42258 supplementary protector on a DIN rail?
To install the SIEMENS 5SY42258, snap it onto a standard 35 mm DIN rail until it locks. Connect wires to the screw clamp terminals using a screwdriver, ensuring torque meets the manufacturer's specification. Always de-energize the circuit before installation and follow local electrical codes.
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3G Electric supplies SIEMENS IEC d-curve, 2-pole ul1077 din rail-mount supplementary protectors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
