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Siemens 6EP1434-2BA20 is a SITOP PSU300S stabilized power supply for 400 to 500 V three-phase AC input and regulated 24 V DC output at 10 A.
The DIN-rail unit provides galvanic isolation, short-circuit and no-load protection, adjustable output voltage, 24 V OK signaling and a compact IP20 enclosure for industrial control cabinets.
The DIN-rail unit provides galvanic isolation, short-circuit and no-load protection, adjustable output voltage, 24 V OK signaling and a compact IP20 enclosure for industrial control cabinets.
Technical specifications for 6EP1434-2BA20
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Product Model6EP1434-2BA20
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Product ParametersThree-Phase Power Supply
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Tariff Code85044083
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Country of originRomania
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Place of shipmentXiamen, China
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In stock1 unit
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Estimated Shipping Size7.0 x 12.5 x 12.0 cm
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ManufacturerSiemens
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Weight0.7 kg
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Input systemThree-phase AC
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Rated input voltage400 to 500 V AC
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Input voltage range340 to 550 V AC
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Line frequency range47 to 63 Hz
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Rated output voltage24 V DC
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Adjustable output voltage24 to 28 V DC; maximum 240 W
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Rated output current10 A
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Typical efficiency91%
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Output signalingGreen LED and 24 V OK relay contact
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Protection ratingIP20; protection class I
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Alternative Names
6EP1434-2BA20
SITOP PSU300S 24 V/10 A
Siemens Three-Phase 24 V DC Power Supply
Technical notes
Use 6EP1434-2BA20 with a 400 to 500 V three-phase AC supply and a 24 V DC load that remains within the 10 A rating. Install it on a 35 mm DIN rail with protective earth, the required upstream three-pole protection, suitable conductor temperatures and the documented ventilation clearances. Verify terminal torque, output polarity and the 24 V OK indication before energizing connected automation equipment.
SYSTEM & REPLACEMENT CHECK
Information needed before ordering
Three direct checks to secure your system integration and minimize ordering risks.
Information
Overview
Manuals
Product Applications
Compatibility
Lifecycle & Replacement
Features:
- SITOP PSU300S stabilized power supply
- 400 to 500 V three-phase AC input
- Regulated 24 V DC output at 10 A
- Adjustable 24 to 28 V DC output
- 35 mm DIN-rail mounting with 24 V OK signaling
The unit accepts 400 to 500 V three-phase AC, supplies 24 V DC at 10 A, and provides galvanic isolation, short-circuit and no-load protection, output adjustment and a 24 V OK relay contact.
6EP1434-2BA20 Siemens: Verify the complete article number, three-phase input, 24 V load current, feeder protection, protective earth and cabinet clearances before installation or replacement.
Siemens 6EP1434-2BA20 SITOP PSU300S 24 V/10 A Power Supply Manuals, Datasheets, Official Documents, LinksImportant Notice: Official documents are provided through manufacturer links. Accessories, manuals, cables, calibration data, software, certificates, and other items are not included with this equipment unless listed in the stock item description.
- Providing regulated 24 V DC power to machine-control circuits
- Supplying PLC and distributed I/O assemblies in automation cabinets
- Feeding 24 V DC sensors and instrumentation circuits
- Powering industrial actuators, motor controls and valves
- Supporting HMI and industrial PC control-system loads
Use 6EP1434-2BA20 only with a compatible 400 to 500 V three-phase AC supply and 24 V DC load.
Match the complete Siemens article number and 10 A output rating.
Confirm the 35 mm DIN-rail space and 70 x 125 x 120 mm device dimensions.
Verify protective earth, conductor temperature rating, terminal capacity and upstream three-pole protection.
Check output inrush, cable voltage drop, ambient derating and cabinet ventilation.
Do not substitute a single-phase or different-current SITOP supply without controlled engineering verification.
Match the complete Siemens article number and 10 A output rating.
Confirm the 35 mm DIN-rail space and 70 x 125 x 120 mm device dimensions.
Verify protective earth, conductor temperature rating, terminal capacity and upstream three-pole protection.
Check output inrush, cable voltage drop, ambient derating and cabinet ventilation.
Do not substitute a single-phase or different-current SITOP supply without controlled engineering verification.
Siemens lists 6EP1434-2BA20 as a PM300 active product.
Record the complete installed article number, supply rating and 24 V load before replacement.
Inspect the terminals, DIN-rail mounting, adjustment control and 24 V OK contact.
Preserve the input protection, protective earth, output polarity and cable sizing.
Verify current Siemens documentation, approvals and ambient-temperature limits.
Contact Amikon with 6EP1434-2BA20 for availability and replacement support.
Record the complete installed article number, supply rating and 24 V load before replacement.
Inspect the terminals, DIN-rail mounting, adjustment control and 24 V OK contact.
Preserve the input protection, protective earth, output polarity and cable sizing.
Verify current Siemens documentation, approvals and ambient-temperature limits.
Contact Amikon with 6EP1434-2BA20 for availability and replacement support.
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Important notice
Manuals, software, firmware, cables, calibration data and accessories are included only when listed in the quotation. AMIKON is an independent supplier and is not affiliated with or authorised by the manufacturer.
This content has been produced using multiple sources. Takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
FREQUENTLY ASKED QUESTIONS
Questions buyers ask about 6EP1434-2BA20
Direct answers about identity, compatibility, stock, warranty, payment and shipping.
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Will 6EP1434-2BA20 work with my cabinet supply?
Confirm that the incoming network is 400 to 500 V three-phase AC at 50/60 Hz and that the 24 V DC load remains within 10 A. Also check DIN-rail space, protective earth, ventilation clearance and feeder protection before ordering. -
Can I replace another SITOP unit with 6EP1434-2BA20 directly?
Do not decide from the SITOP name or enclosure size alone. Compare the complete article number, input phase and voltage, 24 V output current, terminal arrangement, mounting dimensions, signaling contact and cabinet environmental limits. -
What upstream protection is required for this power supply?
Siemens specifies a three-pole connected miniature circuit breaker rated 3 to 16 A with characteristic C, or the documented Siemens motor-protection alternatives. Select and coordinate protection according to the installation standard and conductor rating. -
How should the 24 V output be adjusted?
The output is adjustable from 24 to 28 V DC by potentiometer, subject to the 240 W maximum. Measure the output at the load terminals and account for cable voltage drop before connecting sensitive automation electronics. -
What does the 24 V OK signal provide?
Normal operation is indicated by a green LED. A normally open relay contact rated 60 V DC at 0.3 A can report the 24 V OK condition to a controller or monitoring circuit. -
Can 6EP1434-2BA20 be used in parallel?
Parallel connection is supported only under the conditions documented by Siemens for power increase or redundancy. Use matched units, equal cable lengths and coordinated external circuitry; do not parallel outputs without reviewing the manual. -
What should be inspected when 6EP1434-2BA20 arrives?
Check the full article number, enclosure and terminals, DIN-rail mounting clip, input and output markings, adjustment control and 24 V OK contact. Confirm the 70 x 125 x 120 mm dimensions and 0.70 kg net weight before removing the installed supply. -
Which checks are required before returning the machine to service?
Verify protective earth, input phase voltage, terminal torque, output polarity and unloaded output voltage first. Then connect the load, confirm stable 24 V operation within 10 A, test the 24 V OK signal and monitor temperature under normal cabinet load.
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