Siemens 5SY41407 C-Curve 1-Pole Supplementary Protector
The Siemens 5SY4 series IEC Supplementary Protector (SKU 3G-OTH-19956) is a 40 A, C-curve, 1-pole UL1077 DIN rail-mount supplementary protector. It features a screw clamp terminal connection and is rated for 10kA at…
SKU 3G-OTH-19956
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 5SY4 series IEC Supplementary Protector (SKU 3G-OTH-19956) is a 40 A, C-curve, 1-pole UL1077 DIN rail-mount supplementary protector. It features a screw clamp terminal connection and is rated for 10kA at 230/400V AC and 72V DC.
Frequently Asked Questions
What is the Siemens 5SY41407 supplementary protector used for?
The Siemens 5SY41407 is a 40 A, C-curve, 1-pole supplementary protector for overcurrent protection in industrial control panels, HVAC equipment, and machinery. It mounts on a DIN rail and meets UL1077 standards for branch circuit protection at 230/400V AC and 72V DC.
What are the specifications of the Siemens 5SY41407?
The Siemens 5SY41407 is rated 40 A, 10kA at 230/400V AC, and 72V DC. It has a C-curve trip characteristic, screw clamp terminals, and is part of the 5SY4 series. It is a 1-pole DIN rail-mount supplementary protector with UL1077 listing.
Where to buy the Siemens 5SY41407 worldwide?
3G Electric supplies the Siemens 5SY41407 supplementary protector worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine Siemens components and support procurement across 14 departments.
How to install the Siemens 5SY41407 supplementary protector?
Mount the Siemens 5SY41407 on a 35 mm DIN rail, ensuring it snaps securely. Connect wires to the screw clamp terminals per the torque rating in the datasheet. Verify the system is de-energized before installation and test the C-curve trip response at 40 A.
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Common applications for SiemensSiemens Products
3G Electric supplies Siemens c-curve, 1-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.
