3RT2016-1FB42

Siemens 3RT2016-1FB42 contactor, 24VDC, built-in diode, 1NC, 9A
Siemens 3RT2016-1FB42 contactor, 24VDC, built-in diode, 1NC, 9A

SIRIUS S00 power contactor, 24V DC coil with built-in suppression diode to reduce surge, 1 set of normally closed auxiliary contacts, AC-3 9A/4kW, IP20 protection, operating temperature -25°C to +60°C.

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Siemens 3RT2016-1FB42 contactor, 24VDC, built-in diode, 1NC, 9A
Product Positioning

The 3RT2016-1FB42 is a Siemens SIRIUS 3RT20 series power contactor with a built-in suppressed diode. Its 24V DC coil, combined with the diode design, effectively suppresses surge voltages generated during coil release, protecting control components, relays, or PLC output stages connected in parallel or series from high-voltage surge damage. This model has one normally closed (1NC) auxiliary contact, suitable for interlocking protection or status detection circuits. The main circuit can directly switch AC-3 9A, 400V/4kW three-phase loads, with an IP20 protection rating. It can operate stably in an ambient temperature range of -25°C to +60°C, meeting common industrial installation conditions.

Core Product Advantages and Features
The coil has a built-in suppression diode.
The 24V DC coil integrates a diode, effectively suppressing surge voltage during power failure and protecting surrounding control components.
1NC auxiliary contact
One set of normally closed auxiliary contacts is suitable for interlocking protection or status detection, and the wiring method is screw terminals.
AC-3 9A/4kW main circuit
The 3-pole main contacts can directly switch 400V/9A three-phase loads, conforming to IEC 60947-5-1 standard.
IP20 protection and wide temperature range
With an IP20 protection rating and an operating temperature range of -25°C to +60°C, it is suitable for most industrial environments.
project Specification
Rated current of main circuit (AC-3) 9 A
Rated power (400V, AC-3) 4 kW
Operating current (Ie) 6.7 A
Extreme number 3-pole (3P)
Coil Specifications 24 V DC, built-in suppression diode
Auxiliary contact 1 NC
Rated insulation/contact voltage 690 V
Enclosure protection rating IP20
Terminal blocks Screw clamp terminal
Installation method DIN rail quick-release mounting
Dimensions of the outer casing (width × height × depth) 45×58×73 mm
Casing Specifications S00
Operating ambient temperature -25°C ~ +60°C
Safety certification CCC, CSA, EAC, UL
Place of origin Germany

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