3RT2026-1BP40

The 3RT2026-1BP40 is a 230V DC coil specification. The main circuit maintains the standard AC-3 25A/11kW/400V rating, with 1NO+1NC auxiliary contacts. It is suitable for existing 230V DC control power supplies and is a spare part for existing panel retrofits or repairs that do not require additional step-down modules.

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Siemens 3RT2026-1BP40 230V DC coil contactor 25A 11kW

Product Positioning

The 3RT2026-1BP40 coil voltage is 230V DC, which is considered a relatively high DC control voltage option among the SIRIUS 3RT2 series S0 housing contactors. It is commonly used in existing factories where 230V DC control power is already installed, or in the maintenance and replacement of old control panels that use DC power as the main control circuit. The existing wiring and power supply can be directly reused, without the need to redesign the step-down circuit.

Core Product Advantages and Features

230V DC coil

It is compatible with high-voltage DC control power supply systems and is suitable for direct replacement of existing 230VDC panels.

AC-3 25A/11kW main circuit

S0 casing standard rating, covering most small and medium power three-phase motors.

1NO+1NC auxiliary contact

It meets the basic interlocking and indicator light feedback wiring requirements.

6kV rated impulse withstand voltage

The main circuit and auxiliary circuit have the same impact resistance, which improves system stability.

project	Specification
model	3RT2026-1BP40
AC-3 rated current	25 A
AC-3 Rated Power (400V)	11 kW
Extreme number	3P
Coil Specifications	230 V DC
auxiliary contacts	1 NO + 1 NC
Main circuit terminals	Screw terminals
net weight	Approximately 0.590 kg
Rated usage category	AC-3 (Motor Start/Stop)
Insulation voltage (pollution level 3)	690 V
Rated impulse withstand voltage	6 kV
Frontal protection level	IP20 (according to IEC 60529)
Mechanical life (typical value)	10 million cycles
Ambient operating temperature	-25°C ~ +60°C
Applicable Standards	IEC 60947-4-1 / IEC 60947-5-1
chassis code	S0
Installation method	35mm DIN rail or panel locking

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3RT2026-1BG40

The 3RT2026-1BG40 uses a 125V DC coil and is a direct replacement for the 3RT1026 series contact sockets of the same specifications. It features an AC-3 rated 25A/11kW/400V main circuit, 1NO+1NC auxiliary contacts, and screw terminals, making it suitable for maintenance and replacement of DC control circuits in distribution panels.

3RT2026-1BF40

The 3RT2026-1BF40 uses a 110V DC coil, with a main circuit rated AC-3 of 25A/11kW/400V, 1NO+1NC auxiliary contacts, and screw terminals. It is an electrical and dimensional compatible replacement for the discontinued 3RT1026-1BF40 and is suitable for the repair and replacement of DC control panels.