Siemens 3RT2036-1AP00 Power Contactor 51A 22kW 3P 230V AC

The Siemens 3RT2036-1AP00 is a SIRIUS 3RT2 series 3-pole power contactor rated at 51 A and 22 kW at 400 V in AC-3/AC-3e duty. It operates on a 230 V AC / 50 Hz control coil and includes 1 NO + 1 NC integrated auxiliary contacts with screw terminals, housed in size S2.

Technical specifications:

• MLFB: 3RT2036-1AP00
• Manufacturer: Siemens
• Product line: SIRIUS
• Product type: Power contactor (3RT2), size S2
• Poles: 3
• Rated current (AC-3 / 400 V): 51 A
• Rated current (AC-1 / 400 V / 40°C): 70 A
• Rated power (AC-3 / 400 V): 22 kW
• Rated power (AC-3 / 500 V): 30 kW
• Operating voltage (main circuit): up to 690 V AC
• Insulation voltage (main and auxiliary circuits): 690 V
• Surge voltage resistance (main and auxiliary circuits): 6 kV
• Auxiliary contacts: 1 NO + 1 NC
• Control supply voltage: 230 V AC, 50 Hz
• Coil operating range: 0.8 - 1.1 x rated voltage
• Apparent pick-up power: 190 VA (50 Hz)
• Apparent holding power: 16 VA (50 Hz)
• Terminal type: Screw terminal
• Minimum conductor cross-section (main circuit): 25 mm²
• Mechanical service life: 10,000,000 operating cycles
• Operating temperature: -25 to +60°C
• Storage temperature: -55 to +80°C
• Maximum installation altitude: 2,000 m
• Power loss at rated current (hot state): 12 W
• Net weight: 982 g

Features and benefits:

• Mechanical service life of 10,000,000 operating cycles for high-cycle industrial applications
• Wide coil operating range of 0.8 - 1.1 x rated voltage for reliable pick-up under fluctuating supply conditions
• 690 V insulation voltage and 6 kV surge voltage resistance on both main and auxiliary circuits
• Low holding power of 16 VA reduces coil heating during continuous energisation
• Compatible with auxiliary switch blocks and electronically optimised modules for extended functionality

Applications:

• Direct-on-line switching of three-phase motors up to 22 kW at 400 V
• Industrial control panels for pumps, fans, and compressors
• Star-delta motor starting circuits requiring size S2 contactors
• HVAC and building automation systems with 230 V AC control voltage

Compliant with EN 60947-1 (protective separation between coil and main contacts rated to 400 V). Part of the Siemens SIRIUS 3RT2 range.

Also known as: Siemens 3RT2036-1AP00, SIRIUS 3RT2 power contactor 51 A 230 V AC coil, 3-pole contactor S2 22 kW.