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6EP1333-1LB00

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Siemens 6EP1333-1LB00 is a single-phase SITOP PSU100L power supply. It is designed for basic industrial control and automation power distribution with DIN-rail mounting.
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Technical specifications for 6EP1333-1LB00

  • Manufacturer:
    Siemens
  • Part Number:
    6EP1333-1LB00
  • Product Family:
    Siemens SITOP
  • Product Type:
    SITOP PSU100L 24V DC 5A Power Supply
  • Stock:
    1
  • Input type:
    Single-phase AC
  • Rated input voltage:
    120/230 V AC, switch selectable
  • Input voltage range:
    93–132 V AC / 187–264 V AC
  • Input frequency:
    50/60 Hz
  • Rated input current at 120 V:
    2.1 A
  • Rated input current at 230 V:
    1.15 A
  • Nominal output voltage:
    24 V DC
  • Adjustable output range:
    22.8–26.4 V DC
  • Rated output current:
    5 A
  • Total voltage tolerance:
    ±3%
  • Residual ripple:
    Less than 150 mVpp
  • Typical efficiency:
    Approximately 86%
  • Mains buffering time:
    Minimum 20 ms at rated output current
  • Output protection:
    Short-circuit proof
  • Ambient operating temperature:
    0 to +60 °C
  • Transport temperature:
    -40 to +85 °C
  • Storage temperature:
    -40 to +85 °C
  • Humidity class:
    3K3, 5–95%, non-condensing
  • Weight:
    0.4 kg
  • Estimated shipping dimensions:
    13 × 14 × 6 cm
  • Tariff Code:
    85044083
  • Country of origin:
    Romania
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Applications Performance Protection Installation

Features:

  • Switch-selectable single-phase AC input supports 120 V and 230 V system arrangements.
  • Regulated 24 V DC output provides a 5 A supply for industrial control circuits.
  • Compact SITOP PSU100L construction supports space-efficient DIN-rail cabinet installation.
The current configuration is the Siemens SITOP PSU100L 24 V/5 A basic power supply with single-phase AC input.

The unit is intended to provide regulated control voltage for basic industrial automation and auxiliary DC loads.

Before selection or replacement, verify the input selector position, terminal wiring, cabinet mounting space and the Siemens substitute record.

Availability: Siemens records a phase-out for this model and lists 6EP3333-3SB00-0AX0 as a substitute.
Verified resources for Siemens 6EP1333-1LB00: Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Basic power supply for industrial automation control panels and electrical cabinets.
  • 24 V DC auxiliary supply for instrumentation and control components.
  • Low-complexity industrial installations requiring a compact single-phase SITOP supply.
  • The regulated output maintains a stable control voltage for connected automation loads.
  • The adjustable output setting allows the DC supply level to be aligned with the connected control system.
  • The PSU100L design provides an efficient basic power-supply solution for continuously operated control cabinets.
  • Short-circuit-proof output behavior helps protect the connected DC circuit during fault conditions.
  • Constant-current limitation controls the output response when the connected load exceeds normal operation.
  • SELV isolation separates the control-voltage output from the primary AC supply.
  • The enclosure snaps onto a DIN rail for straightforward integration inside a control cabinet.
  • Screw terminals provide fixed connection points for the single-phase input and regulated DC output.
  • Installation must preserve the specified protection class and provide the cabinet clearances required by Siemens.
Description
Siemens 6EP1333-1LB00 is a SITOP PSU100L stabilized power supply for converting single-phase AC input into regulated 24 V DC control power. The unit is intended for basic industrial power-supply duties where a compact DIN-rail solution is required.

The power supply supports switch-selectable 120/230 V AC operation and provides a regulated output suitable for automation control circuits, instrumentation and auxiliary DC loads. Its adjustable output setting allows the connected system to be aligned with the required DC voltage window.

Siemens 6EP1333-1LB00 is selected for installations that require Class I construction, IP20 protection and recognized industrial approvals. Before replacement, confirm the input arrangement, output requirement, terminal wiring and the Siemens-listed substitute configuration.
Alternative Names
6EP133-1LB00 6EP13331LB00 6EP133-1LBOO Siemens SITOP PSU100L 24 V/5 A Siemens SITOP 24 V 5 A power supply Siemens SITOP lite 1-phase 24 V DC/5 A Siemens SITOP PSU100L 5A power supply
Technical notes
Siemens lists 6EP3333-3SB00-0AX0 as a substitute for 6EP1333-1LB00, but replacement approval should verify terminal layout, mounting conditions, electrical ratings and project documentation before changeover.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Is Siemens 6EP1333-1LB00 suitable for DIN-rail installation?
Yes. Siemens specifies snap mounting on a DIN rail.
Where can Siemens 6EP1333-1LB00 be used?
Siemens positions this SITOP lite supply for basic industrial control and automation power applications.
Is Siemens 6EP1333-1LB00 short-circuit protected?
Yes. Siemens specifies short-circuit-proof output behavior with constant-current limitation.
Has Siemens discontinued 6EP1333-1LB00?
The Siemens lifecycle record shows product phase-out effective 1 October 2025.
What substitute does Siemens list for Siemens 6EP1333-1LB00?
Siemens lists 6EP3333-3SB00-0AX0 as the available substitute.
What information should be supplied when requesting a quotation for Siemens 6EP1333-1LB00?
Provide the complete order number, required quantity, input-voltage setting, delivery country and whether the Siemens-listed substitute is acceptable.