Siemens 3RT2018-2LB42-1LA0 SIRIUS Contactor for Traction Applications, AC-3/AC-3e, 16A, 7.5kW, 24V DC, Spring-Loaded Terminal Original Brand New
$144.42
Siemens 3RT2018-2LB42-1LA0 traction contactor, AC-3e/AC-3, 16 A, 7.5 kW / 400 V, 3-pole, 24 V DC, 0.7-1.25* Uc, with integrated varistor, auxiliary contacts: 1 NC, spring-loaded terminal, frame size: S00, with plugged on series resistor, upright mounting position
Overview
The Siemens 3RT2018-2LB42-1LA0 is a high-performance SIRIUS contactor specifically engineered for demanding traction applications. This 3-pole contactor is rated for AC-3 and AC-3e operation, handling up to 16 A and 7.5 kW at 400 V. It features a robust 24 V DC control voltage with a wide operating range of 0.7-1.25* Uc, ensuring reliable performance in fluctuating power conditions. The integrated varistor provides superior surge protection for the coil, while the plugged-on series resistor allows for upright mounting, saving valuable panel space. With a size S00 frame and spring-loaded terminals, this contactor offers a compact design and fast, reliable wiring.
Key Benefit
- Optimized for Traction: Engineered to withstand the vibrations and electrical stresses common in railway and other traction systems.
- Space-Saving Design: Upright mounting position with a plugged-on series resistor allows for installation in tight spaces.
- Enhanced Reliability: Integrated varistor protects the coil from voltage spikes, extending the product’s lifespan.
- Fast and Secure Wiring: Spring-loaded terminals provide a vibration-proof connection, reducing maintenance needs and ensuring consistent performance.
- Versatile Operation: Supports both AC-3 and AC-3e operation, making it suitable for a wide range of motor control applications.
Technical Function & Specification
- Product Number: 3RT2018-2LB42-1LA0
- Product Type: Contactor, traction
- Rated Current (AC-3e/AC-3): 16 A
- Rated Power (AC-3e/AC-3): 7.5 kW at 400 V
- Poles: 3
- Control Voltage: 24 V DC (0.7-1.25* Uc)
- Integrated Features: Varistor for coil protection
- Auxiliary Contacts: 1 NC (Normally Closed)
- Terminal Type: Spring-loaded terminals
- Frame Size: S00
- Mounting Position: Upright (with plugged-on series resistor)
Application
The Siemens 3RT2018-2LB42-1LA0 is ideal for motor control in applications where high reliability and resistance to shock and vibration are critical, including:
- Railway and locomotive systems
- Electric vehicles and machinery
- Material handling equipment
- Industrial automation and control panels
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| Weight | 0.33 kg |
|---|---|
| Dimensions | 130 × 55 × 75 mm |
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