3RT2027-1AF04

Siemens 3RT2027-1AF04 Power Contactor 110V Coil 2NO2NC
Siemens 3RT2027-1AF04 Power Contactor 110V Coil 2NO2NC

The 3RT2027-1AF04 is a Siemens SIRIUS S0 size three-pole power contactor with a 110V AC (50Hz) control coil and 2NO+2NC auxiliary contacts. It has an AC-3 rated capacity of 32A/15kW, screw terminals, weighs approximately 0.46kg, and has a relatively large number of feedback contacts.

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Siemens 3RT2027-1AF04 Power Contactor 110V Coil 2NO2NC
Product Positioning

The 3RT2027-1AF04 is a version of the Siemens SIRIUS 3RT2 series S0 size three-pole power contactor equipped with enhanced auxiliary contacts. The 110V AC (50Hz) control coil is equipped with four sets of auxiliary contacts (2NO+2NC), which is twice as many feedback contacts as the standard 1NO+1NC version. It is suitable for control panel designs that need to provide multiple signals such as operation indication, interlock protection, and remote monitoring at the same time. The main circuit AC-3 rating remains at 32A/15kW (400V). Due to the addition of the auxiliary contact module, the overall depth is slightly increased and the weight is about 0.46kg.

Core Product Advantages and Features
2NO+2NC auxiliary contacts
It has twice as many feedback contacts as the standard version, which can simultaneously meet the needs of indicator lights, interlocking, and monitoring signals.
110V AC (50Hz) control coil
Control circuit suitable for 50Hz power systems, with stable coil voltage and reliable operation.
AC-3 32A/15kW rated
The main circuit switching capability is the same as the standard version, and it can carry a 32A/15kW load at 400V.
Screw terminals, compact body
Although multiple sets of auxiliary contacts still retain the screw terminal design, this facilitates wiring and subsequent maintenance.
project Specification
Model (MLFB) 3RT2027-1AF04
Series/Size SIRIUS 3RT2,S0
Extreme number 3 poles
AC-3 rated (400V) 32A / 15kW
Control coil voltage 110V AC, 50Hz
auxiliary contacts 2 NO + 2 NC
Terminal type Screw terminals
External dimensions (width × height × depth) Approximately 54 × 92 × 149 mm
weight Approximately 0.46 kg
Mechanical life 10 million times
Rated insulation voltage 690V (Pollution Level 3)
IP protection rating (positive) IP20
Certification UL, CSA, CCC, KC, EAC, and also ship classification certifications, RoHS compliant.

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