Siemens 6EP3331-6SB00-0AY0

LOGO!POWER 24 V / 1.3 A Stabilized Power Supply

The Siemens 6EP3331-6SB00-0AY0 is a compact LOGO!Power regulated power supply designed to provide a stabilized 24 V DC / 1.3 A output from a wide-range AC input. Its compact DIN-rail form factor makes it suitable for control cabinets and automation installations where dependable 24 V DC power is required.

Wide-Range Input

85–264 V AC input range, with 110–300 V DC input capability.

Stable 24 V DC

Rated output of 24 V DC at up to 1.3 A.

Compact Housing

36 × 90 × 53 mm enclosure with DIN-rail mounting.

Protection Functions

Short-circuit proof with overvoltage protection and overload capability.

Wide-Range Operation

The wide-range input accommodates 85–264 V AC and 110–300 V DC, supporting flexible power integration.

Stable Output

The regulated 24 V DC output is rated at 1.3 A, with typical output-voltage control precision of 0.2% under rapid input variation.

Compact Installation

The 36 mm wide housing is designed for space-conscious cabinet layouts and can be mounted on standard DIN rail.

Load-Step Response

Typical setting time is 1 ms for 10–90% and 90–10% resistive load steps.

Protection

The unit provides overvoltage protection and is short-circuit proof with constant-current short-circuit protection.

Parallel Capability

Up to two units can be connected in parallel for increased power according to the specified operating conditions.

Where 6EP3331-6SB00-0AY0 Fits

The 6EP3331-6SB00-0AY0 belongs to the Siemens LOGO!Power family of compact stabilized power supplies. Its primary role is to convert the available AC or DC supply into a regulated 24 V DC control supply.

In automation cabinets, this type of power supply can support 24 V control circuits and other connected loads that require a stable DC supply. Its DIN-rail mounting, compact width and wide input range make it suitable where cabinet space and straightforward installation are important.

What input range is supported by Siemens 6EP3331-6SB00-0AY0?

It accepts 85–264 V AC and 110–300 V DC, with a rated AC input of 100–240 V.

Why is Siemens 6EP3331-6SB00-0AY0 specified as a 24 V / 1.3 A supply?

Its regulated output is 24 V DC with a rated output current of 1.3 A, corresponding to 31.2 W of active output power.

How does the 6EP3331-6SB00-0AY0 respond to a short circuit?

The output is short-circuit proof and uses a constant-current characteristic for short-circuit protection.

Where can Siemens 6EP3331-6SB00-0AY0 be mounted?

The compact enclosure snaps onto EN 60715 35×7.5/15 DIN rail and also supports direct wall mounting.

What operating temperature range applies to Siemens 6EP3331-6SB00-0AY0?

The specified operating range is -25 °C to +70 °C with natural convection; output capability is subject to derating from +55 °C.

What should be checked before replacing a Siemens 6EP3331-6SB00-0AY0?

Confirm the complete part number, 24 V DC / 1.3 A output requirement, input conditions, installation arrangement and the machine's available cabinet space.

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