Siemens HR21 Fuse Rejection Kit, 240V AC, For 30A Disconnect Switch
The SIEMENS Fuse Rejection Kit (MPN HR21) is a UL Class R fuse kit designed for disconnect switches sized at 30 A, rated for 240V AC. 3G Electric interprets this demand and delivers the genuine SIEMENS component…
SKU 3G-OTH-24806
Also listed as: HR 21 · HR-21
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The SIEMENS Fuse Rejection Kit (MPN HR21) is a UL Class R fuse kit designed for disconnect switches sized at 30 A, rated for 240V AC. 3G Electric interprets this demand and delivers the genuine SIEMENS component, backed by our specialist expertise across 14 industrial departments — including electrical — to ensure you get the right solution for your application.
Frequently Asked Questions
What is the SIEMENS HR21 fuse rejection kit used for?
The SIEMENS HR21 fuse rejection kit is used to convert a 30 A disconnect switch to accept Class R fuses, preventing insertion of lower-rated fuses. It is commonly applied in industrial control panels, motor disconnects, and branch-circuit protection across machining, HVAC, and power transmission systems.
What are the specifications of the SIEMENS HR21 fuse rejection kit?
The SIEMENS HR21 is a UL Class R fuse rejection kit rated for 240 V AC. It is designed for use with a 30 A disconnect switch. The kit ensures only Class R fuses can be installed, enhancing safety by rejecting fuses with lower interrupting ratings. The manufacturer part number is HR21.
Where to buy the SIEMENS HR21 fuse rejection kit worldwide?
3G Electric supplies the SIEMENS HR21 fuse rejection kit worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to order this genuine SIEMENS part for your disconnect switch application.
How to install the SIEMENS HR21 fuse rejection kit?
To install the SIEMENS HR21 kit, first de-energize the disconnect switch. Remove the existing fuse holders and install the rejection kit per the manufacturer's instructions, ensuring proper alignment with the Class R fuse clips. Always follow lockout/tagout procedures and consult a qualified electrician for safe installation.
Used in
Common applications for SiemensSiemens Products
3G Electric supplies Siemens fuse kits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
