Need more information?
Siemens 3RV2721-4BD10
UL489 S0 20A Circuit Breaker with Screw Terminal
Product Description
Introducing the TMCB UL489 S0 20A Circuit Breaker, a high-performance solution designed for system protection. This circuit breaker is equipped with a screw terminal and complies with the stringent standards of UL 489 and CSA C22.2 No.5-02 A-release 20A N-release 260A. With its standard switching capacity, this circuit breaker ensures reliable performance in various applications.
The TMCB UL489 S0 20A Circuit Breaker is a versatile product that can be used for plant protection and other critical system protection needs. Its screw connection design provides easy installation and maintenance, while its standard switching capacity ensures efficient operation. This circuit breaker is an excellent choice for engineers and integrators who require a reliable and high-performance solution.
Need more information?
Offer details
- Offer from:
- Trusted supplier — Czechia, member since 2021, 50–99 employees
- Availability:
- 68 pcs.Updated at: 07-10-2026In-Stock
- Warranty:
- 24 months
- Condition:
- New Factory Sealed
Specifications
- Brand
- Siemens
- Number of poles
- 3
- Motor drive optional
- Motor drive integrated
- Degree of protection (IP)
- IP20
- Type of control element
- Toggle
- With under voltage release
Available Offers
(5)| Condition | Availability | Supplier | Warranty | Action | |
|---|---|---|---|---|---|
| Condition New Factory Sealed | Availability 68 pcs. Updated at: 07-10-2026In-Stock | Supplier CzechiaTrusted supplier — member since 2021, 50–99 employees | Warranty 24 months | |
:fill(white):quality(80)/media/thumbor) | Condition New Factory Sealed | Availability 68 pcs. Updated at: 07-10-2026In-Stock | Supplier PolandTrusted supplier — member since 2023, 50–99 employees | Warranty 24 months | |
 | Condition New Surplus | Availability 1 pc. Updated at: 07-10-2026In-Stock | Supplier DenmarkTrusted supplier — member since 2022, 20–49 employees | Warranty 12 months | |
 | Condition New Factory Sealed | Availability On requestLead time: 5 days | Supplier GermanyTrusted supplier — member since 2024 | Warranty Not specified | |
 | Condition New Factory Sealed | Availability On requestLead time to be confirmed | Supplier ItalyTrusted supplier — member since 2021, 10–19 employees | Warranty 12 months |
Poland
Denmark
Germany
ItalyOffer with manufacturer lead time
Directly from the manufacturer - with a confirmed, predictable, and fully transparent delivery time.
Documents
Data Sheet
Datasheet for Siemens 3RV2721-4BD10, including specifications and features.
CAD Models
3D CAD model and technical drawings, ready for your design software.
Product data updated: 07-10-2026
Market insights for 3RV2721-4BD10
Get real-time analytics and market data for 3RV2721-4BD10 and other products from the Circuit Breakers & Fuses category to optimize your purchasing decisions
- Real-time stock availability data from 700 MRO distributors in Europe and USA
- Price analysis by condition (new, used, refurbished) with market median prices
- Critical component availability monitoring to prevent production downtime