Siemens 3RT2016-1BB42 SIRIUS Power Contactor 3P 9A 24VDC 1NC

The Siemens 3RT2016-1BB42 is a 3-pole SIRIUS power contactor rated at 9 A and 4 kW at 400 V AC-3, designed for switching three-phase motor loads. It accepts a 24 V DC control signal and includes one instantaneous NC auxiliary contact with screw terminals. Size S00 construction keeps the unit compact at 292 g.

Technical specifications:

• MLFB: 3RT2016-1BB42
• Manufacturer: Siemens
• Product line: SIRIUS
• Product type: Power contactor
• Size: S00
• Poles: 3
• Rated current (AC-3): 9 A at 400 V, 7.7 A at 500 V, 6.7 A at 690 V
• Rated current (AC-1): 22 A up to 690 V at 40 °C
• Operating power (AC-3): 4 kW at 400 V, 5.5 kW at 690 V
• Operating voltage: up to 690 V AC
• Control supply voltage: 24 V DC
• Auxiliary contacts: 1 NC instantaneous
• Terminal type: screw terminal
• Insulation voltage: 690 V (pollution degree 3)
• Surge voltage resistance: 6 kV
• Ambient temperature (operation): -25 to +60 °C
• Ambient temperature (storage): -55 to +80 °C
• Mechanical service life: 30,000,000 operating cycles
• Net weight: 292 g
• Max installation altitude: 2,000 m

Features and benefits:

• 30 million mechanical operating cycles for long service life without maintenance
• Operating temperature range -25 to +60 °C suits demanding industrial environments
• Closing delay 30-100 ms and opening delay 7-13 ms at DC for predictable switching behaviour
• Up to 10,000 no-load switching operations per hour at DC supports high-frequency control applications
• Short-time withstand current up to 155 A for 1 s (cold state) provides overcurrent tolerance during fault conditions

Applications:

• Switching three-phase motors up to 4 kW at 400 V in industrial machinery and conveyor systems
• Motor starter circuits in AC-3 and AC-3e duty cycle applications
• Control panels where 24 V DC PLC outputs drive the coil directly
• DC load switching using multi-path series contact configurations up to 220 V DC

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

Also known as: Siemens 3RT2016-1BB42, SIRIUS 3RT2 power contactor, S00 9A contactor.