Series:	4AM / SIDAC	Type:	Isolation / Control Transformer
Standards:	EN 61558-2-1, 2-2, 2-4	Phase:	Single-Phase
Insulation Class:	Class B (130°C)	Shipping Term:	International Express（DHL/FEDEX/TNT/UPS/ARAMEX）/sea Freight / Air Freight / International Special Line
Freight Charge:	For Industrial Equipment (e.g., PLC Modules, Inverters..), Shipping Cost Varies By Package Weight/volume And Delivery Location. Contact Our Sales Team For A Customized Shipping Solution And Quote

Series:	4AM / SIDAC
Type:	Isolation / Control Transformer
Standards:	EN 61558-2-1, 2-2, 2-4
Phase:	Single-Phase
Insulation Class:	Class B (130°C)
Shipping Term:	International Express（DHL/FEDEX/TNT/UPS/ARAMEX）/sea Freight / Air Freight / International Special Line
Freight Charge:	For Industrial Equipment (e.g., PLC Modules, Inverters..), Shipping Cost Varies By Package Weight/volume And Delivery Location. Contact Our Sales Team For A Customized Shipping Solution And Quote

Siemens 4AM Control Transformer for CNC Isolation & Surge Protection New

Siemens 4AM Control Transformer for CNC Isolation & Surge Protection

The Siemens 4AM series is the premier choice for German and European precision machinery. Designed specifically for SITRAIN and SINUMERIK control systems, these transformers provide exceptional isolation and surge protection for sensitive electronics. If your equipment relies on Siemens PLCs or CNC systems, the 4AM series acts as a vital "protective moat," ensuring clean power and long-term stability for your most expensive industrial assets.

Product Highlights

Superior Harmonic Filtering: Advanced core design minimizes electrical noise and harmonic distortion, protecting delicate control logic.
High Short-Time Rating: Capable of handling significant temporary overloads during motor or solenoid startup without voltage collapse.
German Engineering Standards: Built to rigorous European safety and performance specs—ideal for DMG MORI and other EU-made machinery.
Integrated Surge Protection: Enhances system reliability by absorbing line-side transients before they reach your PLC.

Specifications

Model Number	kVA Rating	Primary Voltage	Secondary Voltage	Series
4AM3442-4TN00-0EA0	0.25 kVA	230/400 V	24 V	SIDAC
4AM4042-8MD40-0FA0	0.50 kVA	230/400 V	115/230 V	SIDAC
4AM4842-5AT10-0EA0	1.0 kVA	400 V	230 V	Isolation
4AM5742-8ED40-0FA0	2.5 kVA	230/400 V	230 V	SIDAC
4AM6142-8JD40-0FA0	4.0 kVA	230/400 V	230 V	SIDAC
4AM6542-5CT10-0EA0	6.3 kVA	400 V	230 V	Isolation

Application Fields

Siemens SINUMERIK CNC Machines, SIMATIC PLC Panels, DMG MORI Machine Tools, European Export Machinery, and Industrial Automation Systems.

Frequently Asked Questions

Why is Siemens 4AM necessary for CNC machines?

CNC systems are highly sensitive to power noise. The 4AM provides superior isolation that standard transformers cannot match.

What is the difference between Control and Isolation models?

Control models focus on handling inrush for solenoids; Isolation models provide a physical barrier against line noise.

Is it compatible with non-Siemens systems?

Yes, it is a high-quality CE-certified transformer that can improve any 230V/400V industrial system.

Can I use this for 60Hz power?

Yes, Siemens 4AM transformers are dual-rated for 50/60Hz, suitable for both European and Global use.

How does it protect against surges?

The design includes specific impedance characteristics that act as a buffer against rapid voltage transients.

Are these authentic Siemens parts?

Absolutely. We only supply 100% original, factory-fresh Siemens 4AM products with full traceability.

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Industrial Automation Control Systems

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IGBT IPM Module

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