Siemens SIRIUS Power Contactor AC-3e/AC-3 16 A, 7.5 kW,
400 V – 3RT2018-1AP01
The Siemens 3RT2018-1AP01 is a SIRIUS 3RT20 series
power contactor designed for reliable switching and control of three-phase
motors and industrial electrical loads in low-voltage applications. It is
widely used in motor starters, industrial automation systems, HVAC systems,
pumps, compressors, conveyors, and control panels where compact size and
dependable switching performance are required.
This contactor is rated for AC-3e/AC-3 duty applications,
with a rated operational current of 16 A and motor switching
capability up to 7.5 kW at 400 V. It features a 3-pole configuration,
230 V AC operating coil, and 1 NO auxiliary contact, making it
suitable for industrial motor control and automation systems.
The SIRIUS 3RT20 series offers compact dimensions,
high electrical endurance, long mechanical life, and reliable industrial
performance for demanding applications.
Key Features
| Parameter | Specification |
|---|---|
| Product Series | Siemens SENTRON 3WA |
| Part Number | 3WA1108-2AF42-4EA4 |
| Product Type | Air Circuit Breaker (ACB) |
| Number of Poles | 4 Pole |
| Rated Current (In) | 800A |
| Rated Operational Voltage | Up to 690V AC |
| Frequency | 50/60 Hz |
| Mounting Type | Withdrawable Type |
| Frame Size | Size 1 |
| Connection Type | Rear Horizontal Connection |
| Breaking Capacity | Up to 55/42 kA at 500/690V |
| Standard Compliance | IEC 60947-2 |
| Protection Function | Overload & Short-Circuit Protection |
| Operating Mechanism | Manual / Industrial Duty |
| Installation | LT Panels & Switchboards |
| Application | Power Distribution Systems |
| Mechanical Life | High Endurance Industrial Design |
| Country of Origin | Czech Republic |
| Product Family | Siemens 3WA Air Circuit Breakers |
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