Siemens Sirius Innovation 690 V Motor Protection Circuit Breaker, 3P Channels, 14 → 20 A, 4 kA

Name: 3RV2021-4BA10, Siemens
Brand: Siemens
SKU: ET16774039
Price: 73.99 GBP
Availability: InStock
Rating: 5 (1 reviews)

Enrgtech Part No: ET16774039
|
Manufacturer Part No:
3RV2021-4BA10
|
Manufacturer: Siemens

3RV2021-4BA10 Siemens Sirius Innovation 690 V Motor Protection Circuit Breaker, 3P Channels, 14 → 20 A, 4 kA

(1)

Product Information

Better World Product:

Yes

Current Rating:

14 → 20 A

Series:

3RV2

Overall Width:

45mm

Motor Protection Component:

Circuit Breaker

Range:

SIRIUS 3RV

Better World Claim:

Alternative materials, Extended product life, Saves energy

Overall Length:

97mm

Overall Depth:

91mm

warehouse-3

31 - In Stock

Ships in 5-7 business days

Quantity

Unit Price (ex VAT)

Price

£ 73.99

Mfr Part No:

3RV2021-4BA10

Seller:

Siemens (warehouse-3)

Origin:

Warranty:

Manufacturer

Data Code:

ET16774039

Order Today!

From: United Kingdom

Est Ship Date: 06 Jan, 2026

Est Fastest Delivery: 08 Jan, 2026

Quantity Quantity

The Siemens 3RV2021-4BA10 is a compact, high-reliability motor protection circuit breaker designed for the SIRIUS modular system. This S0 size circuit breaker provides comprehensive protection for motors up to 7.5 kW at 400 V, with an adjustable thermal-magnetic release range of 13 to 20 A. Built to handle harsh industrial conditions, it ensures the safe shutdown of equipment during short circuits or overloads, safeguarding both your machinery and the wider electrical distribution system from potential damage.

Why You Should Buy the Siemens 3RV2021-4BA10 Motor Protection Circuit Breaker?

Investing in this circuit breaker ensures maximum operational uptime by preventing motor failures caused by overloads or phase loss. Its space-saving design and screw terminal technology simplify installation. Additionally, its high breaking capacity and global approvals make it a versatile, future-proof choice for industrial control cabinets or automated systems.

Siemens 3RV2021-4BA10: Feature Highlights & Applications Areas

Core Features:

Adjustable Overload Release: Precise setting between 13A and 20A to match specific motor requirements.
Phase Failure Sensitivity: Detects imbalances to prevent motor overheating and premature failure.
High Breaking Capacity: Rated for 55 kA at 400 V, ensuring safe isolation during major faults.
SIRIUS Modular Integration: Seamlessly connects with contactors and infeed systems for streamlined wiring.
Climate Resistant: Optimized for reliable performance in temperatures ranging from -20°C to +60°C.

Applications Versatility:

Industrial Automation: Used in control panels to protect conveyor belts, pumps, and fans.
Machine Building: A critical component for protecting motors in CNC machines and processing equipment.
HVAC Systems: Reliable protection for air conditioning compressors and ventilation motor units.

Siemens Sirius Migration(Technical Reference)

Switching Devices for Load Feeders(Technical Reference)

Sirius Innovations Switching Devices(Technical Reference)

Solutions for frequent switching or soft starting(Technical Reference)

Siemens EcoTec Profile(Technical Reference)

Sirius Innovation Accessory Guide(Technical Reference)

Environmental Product Declaration - Overview(Technical Reference)

Sirius Innovation Catalogue(Technical Reference)

Environmental Product Declaration(Technical Reference)

Datasheet_3RV2021-4BA10(Technical Reference)

Basic Information(Technical Reference)

Siemens EcoTech label(Technical Reference)

Your Rating

Reviews

Altynai Shingaliyeva

06 Jun 2024

The Sirius Innovation 690 V Motor Protection Circuit Breaker I purchased from EnrgTech has exceeded my expectations. It's robust and reliable, offering excellent protection. The delivery process was seamless, and the customer care team was very helpful. The professional sales team ensured I got exactly what I needed. Check out EnrgTech for all your electrical needs.

FAQs

Yes. We ship 3RV2021-4BA10 Internationally to many countries around the world.

Yes. You can also search 3RV2021-4BA10 on website for other similar products.

We accept all major payment methods for all products including ET16774039. Please check your shopping cart at the time of order.

We use our internationally recognized delivery partners UPS/DHL. Collection of ET16774039 can also be arranged for the customer by international shipments through contacting our customer support team. Additionally, you can also search"Siemens" products on our website by using Enrgtech's Unique Manufacturing Part Number ET16774039.

You can order Siemens brand products with 3RV2021-4BA10 directly through our website or call us at +44 (0) 3303 800 157 or email our support team at sales@enrgtech.co.uk.

Yes. Our products in Motor Protection category are shipped in lowest possible time.

You will get a confirmation email regarding your order of Siemens Sirius Innovation 690 V Motor Protection Circuit Breaker, 3P Channels, 14 → 20 A, 4 kA. You can also check on our website or by contacting our customer support team for further order details on Siemens Sirius Innovation 690 V Motor Protection Circuit Breaker, 3P Channels, 14 → 20 A, 4 kA.