3RT1336-1AN20

The 3RT1336-1AN20 is a Siemens SIRIUS S2 frame 4-pole contactor with 4 normally open main contacts. AC-1 is rated 55A/220V, and AC-3 is rated 26A/400V. The coil operates at 220V AC. It uses screw terminal connections and is suitable for medium to large motor control circuits. It is discontinued and has been replaced by the 3RT2336-1AN20.

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Siemens SIRIUS 3RT1336-1AN20 S2 power contactor with 220V coil

Product Positioning

The 3RT1336-1AN20 is a Siemens SIRIUS S2 frame 4-pole power contactor with a 4-set normally open main contact design, suitable for medium to large motor control and general power distribution circuits. This model has a coil voltage of 220V AC and features convenient screw terminal wiring. The manufacturer has now designated 3RT2336-1AN20 as its successor model. Kenxin Motors can assist customers in confirming current inventory and alternative models.

Core Product Advantages and Features

S2 frame 4-pole design

Four sets of normally open (NO) main contacts, suitable for medium to large three-phase load switching applications.

220V AC coil

Standard 220V AC coil voltage, 50/60Hz universal design

AC-1 rated 55A/220V

AC-1 rated load current 55A (220V/60°C), also available in a 60A specification for 400V.

AC-3 rated 26A/400V

Suitable for 11kW motor load under 400V, and appropriate for direct start control of general induction motors.

Screw terminal wiring

Both the main circuit and the auxiliary circuit use screw terminals, which facilitates on-site wiring and installation.

There is already a successor model.

The original manufacturer's successor model is 3RT2336-1AN20. Kenxin Motors can assist in confirming alternative solutions.

project	Specification
brand	Siemens
series	SIRIUS 3RT13
model	3RT1336-1AN20
Frame size	S2
Extreme number	4-pole (4NO)
AC-1 rated current	55 A (220V/60°C); 60 A (400V)
AC-3 rated current	26 A (400V)
Corresponding power	23 kW (230V AC-1); 11 kW (400V AC-3)
coil voltage	220 V AC (50/60Hz)
Main/Auxiliary Terminals	Screw terminals
Reference weight	0.986 kg
Reference dimensions (including packaging)	Approximately 82×118.5×137 mm
Product Status	Production has ceased; it has been replaced by 3RT2336-1AN20.

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