1SDA054872R1 ABB high-performance circuit breaker accessory

ABB 1SDA054872R1  high-performance circuit breaker accessory

The ABB 1SDA054872R1 is a high-performance circuit breaker accessory designed to enhance the functionality and safety of ABB’s Tmax series molded case circuit breakers (MCCBs). Specifically engineered as a rotary handle mechanism, this component provides manual operation and visual status indication for circuit breakers in industrial and commercial power distribution systems. Its robust construction ensures reliable performance in harsh environments, while ergonomic design simplifies maintenance and emergency shutdown procedures. The accessory is compatible with Tmax T1–T7 frames, offering flexibility across a wide range of low-voltage applications.

Technical Specifications:

1. Model: 1SDA054872R1 (Rotary Handle Mechanism for Tmax Series)
2. Compatibility: Fits ABB Tmax T1–T7 MCCBs (frame sizes 160–630 A)
3. Material:
   • Housing: Glass-fiber reinforced polyamide (self-extinguishing, UL 94 V-0 rated)
   • Handle: Die-cast zinc alloy with corrosion-resistant coating
4. Mounting: Direct attachment to circuit breaker front panel via M4 screws
5. Operating Mechanism:
   • Manual Actuation: 90° rotation (OFF-ON positions) with audible/tactile feedback
   • Torque Limit: 2.5 Nm (prevents over-tightening during installation)
6. Status Indication:
   • Visual: Bright red/green handle color coding for ON/OFF status
   • Auxiliary Contacts: Optional 1NO+1NC micro-switches for remote signaling (rated 250 VAC/30 VDC, 5 A)
7. Environmental Ratings:
   • Operating Temperature: -25°C to +70°C (derating above 40°C)
   • Storage Temperature: -40°C to +85°C
   • Humidity: 5%–95% RH (non-condensing)
   • IP Rating: IP40 (front panel), IP20 (rear terminals)

Our Services:

1,All our products are new and original, and of good quality

2,Our prices are very competitive.3.We have a large quantity in stock, so we could help the customers to get the components which are dificult to getAll inquiries will be valued and wil reply in 24 hours.

5.Fast shipping, and good after-sale service

6We will ship the items within 1-3 working days after the payment is received

7,Good package to protect the products.

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