Siemens
- Available:
- 3 pcs.In-StockUpdated at: 11-09-2026
- Offer from:
Trusted supplier — United States, member since 2023- Warranty:
- 12 months
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Siemens 4AM5742-8DD40-0FA0
Isolation Transformer, 550V PRI, Sec 2X115
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Manufacturer catalogue image
Product Description
RoHS CompliantLifecycle Status:
Isolation Transformer: The product is a circuit transformer designed for control installations. It adheres to the standards of EN 61558-2-1, -2-2, and -2-4. This transformer is UL/CSA-recognized and serves as a control circuit transformer.
Isolation Transformer: It also functions as an isolation transformer, providing IP00 protection. The terminal connections are screw and tab type with a TA/ISOKL of 40 /B. It operates at frequencies between 50 to 60 Hz.
Isolation Transformer: This transformer is designed for a use voltage of 2X115V and an upper voltage limit of 550-525-500-480-460-440-415-400-380-230-208V. It has a phase count of 1 and a power rating of 1 to 5 KVA.
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Offer details
- Best offer from:
Trusted supplier — Romania, member since 2023, 1–4 employees- Availability:
- 1 pc.On RequestUpdated at: 22-08-2026
- Condition:
- New Surplus
New Surplus - A new, unused, undamaged item without a manufacturer guarantee. The item may come without original packaging or in replacement packaging. If provided, the box may have been opened.
The Seller is responsible for shipping the product and invoicing
Specifications
- Brand
- Siemens
- Protection type IP
- IP00
- Min. primary voltage7
- 415 volt
- Max. primary voltage 1
- 550 volt
- Max. primary voltage 2
- 525 volt
- Max. primary voltage 3
- 500 volt
- Max. primary voltage 4
- 480 volt
Available Offers
(6)
Siemens
- Available:
- 3 pcs.In-StockUpdated at: 11-09-2026
- Offer from:
Trusted supplier — Germany, member since 2024- Warranty:
- 24 months
Siemens
- Available:
- 99 pcs.In-StockUpdated at: 11-09-2026
- Offer from:
Trusted supplier — Netherlands, member since 2021, 100–499 employees- Warranty:
- 24 months
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Documents
Data Sheet
Datasheet for Siemens 4AM5742-8DD40-0FA0, including specifications and features.
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TracePartsCAD Models
3D CAD model and technical drawings, ready for your design software.
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TRANSFORMER SITAS; PHASES:1; PN/PN(S6)(KVA):0,8 /3,4; UPRI(V):550-525-500-480-460- 440-415-400-380-230-208; USEC(V):2X115; ISEC(A):3,48-6,96; F(HZ):50...60; VECTOR GR./SHIELD WNG.:II0 /0; TA/ISOKL:40 /B; IP00; TYPE OF TERMINALS:SCREW/TAB CONNECTION; INSTALLATION:SCREW; EN 61558-2-1, -2-2, -2-4 >UL/CSA-RECOGNIZED< >CONTROL CIRCUIT TRANSFORMER< >ISOLATION TRANSFORMER
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Single-phase transformer with a power rating of 0.8 to 3.4 kVA and voltage ratings of 440V (primary) and 230V (secondary).
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Single phase isolation transformer with primary voltage up to 600V and secondary voltage of 2x115V.
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TRANSFORMER SITAS; PHASES:1; PN/PN(S6)(KVA):1 /5; UPRI(V):230+/-5%; USEC(V):230; ISEC(A):4,35; F(HZ):50...60; VECTOR GR./SHIELD WNG.:II0 /0; TA/ISOKL:40 /B; IP00; TYPE OF TERMINALS:SCREW/TAB CONNECTION; INSTALLATION:SCREW; EN 61558-2-1, -2-2, -2-4 >UL/CSA-RECOGNIZED< >CONTROL CIRCUIT TRANSFORMER< >ISOLATION TRANSFORMER
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TRANSFORMER SITAS; PHASES:1; PN/PN(S6)(KVA):0,63 /2,35; UPRI(V):400+/-5%; USEC(V):230; ISEC(A):2,74; F(HZ):50...60; VECTOR GR./SHIELD WNG.:II0 /0; TA/ISOKL:40 /B; IP00; TYPE OF TERMINALS:SCREW/TAB CONNECTION; INSTALLATION:SCREW; EN 61558-2-1, -2-2, -2-4 >UL/CSA-RECOGNIZED< >CONTROL CIRCUIT TRANSFORMER< >ISOLATION TRANSFORMER
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TRANSFORMER SITAS; PHASES:1; PN/PN(S6)(KVA):1 /5; UPRI(V):400+/-5%; USEC(V):110; ISEC(A):9,09; F(HZ):50...60; VECTOR GR./SHIELD WNG.:II0 /0; TA/ISOKL:40 /B; IP00; TYPE OF TERMINALS:SCREW/TAB CONNECTION; INSTALLATION:SCREW; EN 61558-2-1, -2-2, -2-4 >UL/CSA-RECOGNIZED< >CONTROL CIRCUIT TRANSFORMER< >ISOLATION TRANSFORMER
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TRANSFORMER SITAS; PHASES:1; PN/PN(S6)(KVA):1 /5; UPRI(V):230+/-5%; USEC(V):24; ISEC(A):41,67; F(HZ):50...60; VECTOR GR./SHIELD WNG.:II0 /0; TA/ISOKL:40 /B; IP00; TYPE OF TERMINALS:SCREW/TAB CONNECTION; INSTALLATION:SCREW; EN 61558-2-2, -2-6 >UL/CSA-RECOGNIZED< >CONTROL CIRCUIT TRANSFORMER< >SAFETY ISOLATING TRANSFORMER
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This is a single phase transformer designed for primary voltages ranging from 400 to 230 volts with a tolerance of +/- 15 volts. It has a power rating of 0.5 kVA and complies with EN 61558 standards.
Siemens
A single phase transformer designed for control circuit and isolation applications.
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SITAS Transformer with 1 phase, 1/5 KVA rating, 440+/-5% UPRI, 230 V USEC, 4.35 A ISEC, operating at 50...60 Hz frequency, II0 / 0 Vector Group/Shield WNG, 40 / B TA/ISOKL, IP00 protection, featuring Screw/Tab Connection Terminals and screw-based wye
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High-quality Isolating Transformer with primary multi voltage and secondary 24V output, featuring a robust IP00 rating.
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