Siemens 3RT2026-1AP00 Power Contactor 3P 25A 11kW 230V AC

The Siemens 3RT2026-1AP00 is a SIRIUS 3RT2 series 3-pole power contactor rated 25A at AC-3 / 11kW at 400V, designed for switching three-phase motor and industrial loads. It operates on a 230V AC 50Hz control coil with a built-in 1 NO + 1 NC auxiliary contact arrangement and screw terminal connections throughout.

Technical specifications:

• MLFB: 3RT2026-1AP00
• Manufacturer: Siemens
• Product line: SIRIUS
• Product type designation: 3RT2
• Size: S0
• Number of poles: 3
• Rated current AC-3: 25A at 400V
• Rated current AC-1: 40A at 400V (40°C)
• Operating power AC-3: 11kW at 400V
• Maximum operating voltage: 690V AC
• Control supply voltage: 230V AC, 50Hz
• Coil operating range: 0.8 to 1.1 x rated voltage
• Auxiliary contacts: 1 NO + 1 NC
• Terminal type: Screw terminal
• Insulation voltage (main and auxiliary circuit): 690V (pollution degree 3)
• Surge voltage resistance: 6kV
• Apparent pick-up power: 77VA at 50Hz
• Apparent holding power: 9.8VA at 50Hz
• Operating temperature: -25 to +60°C
• Storage temperature: -55 to +80°C
• Mechanical service life: 10,000,000 operating cycles
• No-load switching frequency: 5,000 operations/h
• Power loss at rated current: 5.7W
• Maximum installation altitude: 2,000m
• Net weight: 415g

Features and benefits:

• Mechanical service life of 10,000,000 operating cycles reduces maintenance intervals in high-cycle applications
• Integrated 1 NO + 1 NC auxiliary contacts provide immediate control circuit feedback without a separate add-on block
• Coil operating range of 0.8 to 1.1 x rated voltage accommodates supply voltage fluctuations
• Low continuous holding power of 9.8VA minimises energy draw during sustained operation
• Wide ambient operating range of -25 to +60°C suits both indoor and thermally demanding enclosure installations

Applications:

• Direct-on-line starting and switching of three-phase AC induction motors up to 11kW at 400V
• Reversing starter circuits using paired contactors in motor control centres
• Pump, fan, and compressor motor control in commercial and industrial plant rooms
• Control panel assemblies requiring DIN rail-compatible S0-size contactors with screw terminals

Compliant with EN 60947-1. Part of the Siemens SIRIUS 3RT2 range.

Also known as: Siemens 3RT2026-1AP00, SIRIUS 3RT2 power contactor S0 25A.