Siemens 3RT2026-1AP04 Power Contactor 3P 25A 11kW 230V AC

The Siemens 3RT2026-1AP04 is a SIRIUS 3RT2 series 3-pole power contactor rated 25 A / 11 kW at 400 V in AC-3 duty. It operates on a 230 V AC, 50 Hz control coil and includes a removable auxiliary switch block providing 2 NO + 2 NC contacts via screw terminals. The size S0 frame suits compact industrial control panel installations.

Technical specifications:

• MLFB: 3RT2026-1AP04
• Manufacturer: Siemens
• Product line: SIRIUS
• Product type: Power contactor
• Type designation: 3RT2
• Size: S0
• Poles: 3
• Rated current AC-3 at 400 V: 25 A
• Rated current AC-1 at 400 V, 40 °C: 40 A
• Operating power AC-3 at 400 V: 11 kW
• Maximum operational voltage (AC-3 / AC-3e): 690 V
• Insulation voltage, main circuit (pollution degree 3): 690 V
• Surge voltage resistance (main and auxiliary circuits): 6 kV
• Control supply voltage: 230 V AC, 50 Hz
• Control voltage operating range: 0.8 to 1.1 x rated value
• Auxiliary contacts: 2 NO + 2 NC, removable auxiliary switch
• Terminal type: screw terminal
• Power loss in hot operating state: 5.7 W
• Mechanical service life: 10,000,000 operating cycles
• Ambient operating temperature: -25 to +60 °C
• Storage temperature: -55 to +80 °C
• Maximum installation altitude: 2,000 m
• Net weight: 459 g

Features and benefits:

• Removable auxiliary switch block with 2 NO + 2 NC contacts for flexible control circuit wiring
• Mechanical service life of 10,000,000 operating cycles supports high-duty-cycle use
• Low power loss of 5.7 W in hot operating state limits heat build-up in control enclosures
• Wide operating temperature range of -25 to +60 °C for harsh industrial environments
• Operating frequency up to 750 switching operations per hour in AC-3 duty

Applications:

• Three-phase motor starting and stopping in AC-3 and AC-3e duty up to 11 kW
• Industrial machinery control panels requiring frequent load switching
• Automation systems needing auxiliary contacts for interlocking and signaling
• Motor control centers operating at system voltages up to 690 V

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

Also known as: Siemens 3RT2026-1AP04, SIRIUS 3RT2 power contactor 25 A, 3RT2 contactor 230V coil.