Siemens
Siemens 3RT2026-1AD00 Contactor 3P 25 A AC-3 11 kW 42 V AC Coil | Magnetic Motor Contactor
Siemens 3RT2026-1AD00 Contactor 3P 25 A AC-3 11 kW 42 V AC Coil | Magnetic Motor Contactor
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The Siemens 3RT2026-1AD00 is a 3-pole power contactor rated 25 A in AC-3 (motors of about 11 kW at 400 V) with a 42 V AC coil. It switches three-phase motors, heaters, lighting groups and capacitor steps remotely from push buttons, PLCs, float switches, pressure switches or timers, and combines with a thermal overload relay or MPCB to form a complete motor starter.
Key features
- 25 A AC-3 rating for motors of 11 kW
- Coil 42 V AC
- Long electrical and mechanical life for frequent switching
- Add-on auxiliary contacts, timers, surge suppressors and mechanical interlocks
- Direct mounting of matching thermal overload relays
- DIN-rail or screw mounting (frame dependent)
Technical specifications
| Brand | Siemens |
|---|---|
| Part number / model | 3RT2026-1AD00 |
| Device type | Power contactor (3-pole) |
| Rated operational current AC-3 | 25 A |
| Motor power AC-3 at 400 V | 11 kW |
| Coil voltage | 42 V AC |
| Poles | 3 NO main poles |
| Standard | IEC/EN 60947-4-1 |
Typical applications
- Water pumps, booster and sewage pumps
- DOL, star-delta and reversing starters
- HVAC compressors, fans and cooling towers
- Heater and lighting control
- Capacitor banks, cranes and conveyors
Selection and installation tips
Select the contactor by the motor full-load current in AC-3 rather than kW alone, choose the coil voltage to match the control circuit (220–230 V AC is the most common in Egypt), and add a thermal overload relay whose setting range covers the motor current.
Frequently asked questions
What motor size can the Siemens 3RT2026-1AD00 control?
It is rated 25 A in AC-3 duty at 400 V, which corresponds to three-phase motors of about 11 kW.
What is AC-3?
AC-3 is the IEC utilisation category for starting and stopping squirrel-cage motors – the standard rating used to select motor contactors.
Do I need an overload relay with the contactor?
Yes. A contactor only switches the motor; protection against overload must be provided by a thermal overload relay or a motor protection circuit breaker.
Buy Siemens 3RT2026-1AD00 in Egypt
Order the Siemens 3RT2026-1AD00 magnetic contactor from Spark Egypt and receive a genuine product with an official tax invoice. We deliver to Cairo, Giza, New Cairo, 6th of October, Sheikh Zayed, the New Administrative Capital, Alexandria, the Delta, the Canal cities and Upper Egypt, and our engineers help contractors, installers and maintenance teams check ratings, accessories and cross-references before purchase. Request a quotation for bulk or project quantities.
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