3RT20261BB401AA0

Siemens 3RT2026-1BB40-1AA0 DC coil contactor 25A
Siemens 3RT2026-1BB40-1AA0 DC coil contactor 25A

Standard 3-pole power contactor, AC-3 rated 25A, 11kW/400V, 24V DC coil, 1NO+1NC auxiliary contacts, net weight approximately 0.6kg, IP20 protection.

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Siemens 3RT2026-1BB40-1AA0 DC coil contactor 25A
Product Positioning

The 3RT2026-1BB40-1AA0 is a standard contactor in the Siemens SIRIUS 3RT2026 series S0 housing. Its main circuit has an AC-3 rated capacity of 25A, corresponding to 11kW at 400V (18A at 500V, 13A at 690V). It features a 24V DC coil with 1NO+1NC auxiliary contacts, representing the most basic and common electrical specification combination in the series, suitable for general small to medium power motor start-stop control. Kenxin Motor provides authorized Siemens parts and assists in confirming inventory and delivery times.

Core Product Advantages and Features
Multi-voltage rating markings
It also displays multiple sets of AC-3 data, such as 400V (25A/11kW), 500V (18A), and 690V (13A), to facilitate selection and evaluation across voltage systems.
24V DC standard coil
Designed with DC operating voltage, it is suitable for control circuits or backup systems powered by DC power.
S0's compact casing
The external dimensions are 85×45×107mm, with DIN rail mounting and highly flexible control panel configuration.
Stable and durable performance
It has a mechanical life of approximately 10 million cycles and an AC-4 electrical life of approximately 200,000 cycles (9A/400V), ensuring stable and reliable long-term use.
project Specification
model 3RT2026-1BB40-1AA0
Case size S0
Extreme number 3 poles
Rated current (AC-3, 400V) 25 A / 11 kW
Rated current (AC-3, 500V) 18 A
Rated current (AC-3, 690V) 13 A
Control coil voltage 24V DC
auxiliary contacts 1 NO + 1 NC (AC-12 maximum 10A)
Terminal type Screw terminals
Insulation voltage 690V, pollution level 3
External dimensions 85 × 45 × 107 mm
net weight Approximately 0.6 kg
Mechanical life / Electrical life Approximately 10 million cycles / approximately 200,000 cycles (AC-4, 9A/400V)
IP protection level IP20

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