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abb ct-sde timer star delta 0.3-30s 1no 1nc
MPN: 1SVR550217R4100
Why Choose the ABB CT-SDE?
The ABB CT-SDE (1SVR550217R4100) is a compact and robust single-function electronic time relay designed for efficient star-delta motor starting. Part of the trusted CT-E timer range, it provides precise timing from 0.3 to 30 seconds, ensuring smooth and reliable motor startup while minimizing stress on electrical systems. This timer operates with a 220-240 V AC control supply voltage and features a 1 n/o and 1 n/c contact configuration rated at 250 V / 4 A. The CT-SDE timer offers several advantages for professional electricians, panel builders, and maintenance engineers:
- Precise Timing: Ensures accurate star-delta switching for optimal motor performance.
- Easy Installation: Compact design and clear terminal markings simplify integration into control panels.
- Reliable Operation: Built with ABB's renowned quality and durability for long-lasting performance in industrial settings.
- Compliance with Standards: Meets relevant industry standards for safety and reliability.
Key Features
- Single-function star-delta timing
- Time range: 0.3 s to 30 s
- Rated control supply voltage: 220 - 240 V AC
- 1 n/o + 1 n/c contact configuration
- Contact rating: 250 V / 4 A
- Compact and DIN rail mountable design
Technical Specifications
- Manufacturer: ABB
- SKU/Part Number: 1SVR550217R4100
- Product Name: CT-SDE
- Category: CT-E
- Height: 78 mm
- Width: 22.5 mm
- Depth: 78.5 mm
- Weight: 0.077 kg
Applications
- Star-delta motor starters
- Pump control systems
- HVAC systems
- Industrial automation
- Conveyor systems
Frequently Asked Questions
The CT-SDE operates on a 220-240 V AC control supply voltage.
The CT-SDE has a contact rating of 250 V / 4 A.
A star-delta timer is used to control the starting sequence of a motor in a star-delta configuration. This method reduces the starting current of the motor, minimizing stress on the electrical system and extending the motor's lifespan.
| Manufacturer Part Number | 1SVR550217R4100 |
|---|---|
| Timer Type | Star delta |
| Control Voltage | 220-240VAC or 24VAC/DC |
| Time Range | 0.3-30s |
| Number of Poles | 1NO/1NC |
| Manufacturer | ABB |
| Product Lead Time | Please contact us for a delivery time |
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