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Murrelektronik Safety Transformer - 320 VA

Murrelektronik Safety Transformer - 320 VA

This Murrelektronik safety transformer, model number 86326, is designed for use in control cabinet...

Best current price£40.73from Rapid Online - Rapid Electronics Ltd.

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Murrelektronik 6686341 Transformer 230/400V to 24V AC 63VA Screw-mount

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Rapid Online - Rapid Electronics Ltd.Murrelektronik 6686341 Transformer 230/400V to 24V AC 63VA Screw-mount
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eBayMURR Elektronik 86348 MTS 1-Phase Control And Isolation Transformer
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Tameson UKMurr 1-Phase Transformer 24/230V | 86343
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Product Information

Full details

This Murrelektronik 86326 safety transformer is designed for control cabinet applications, providing a reliable 24 V AC output from 230 V AC or 400 V AC input. Its primary benefit is ensuring electrical isolation for enhanced safety in industrial environments. A key consideration is its non-autotransformer design, meaning it cannot be used for serial installation.

All features

Model Part Number86326
BrandMurrelektronik

Extended Product Information

FAQs

What is the primary function of a safety transformer like the 86326?

A safety transformer provides galvanic isolation between the input and output circuits. This separation enhances safety by preventing direct electrical connection to the mains supply, reducing the risk of electric shock.

Can I use this transformer as an autotransformer?

No, the Murrelektronik 86326 is specifically designed as a safety transformer with isolation and is not suitable for use as an autotransformer.

What are the input voltage options for this model?

This model accepts either a single-phase 230 V AC input or a 400 V AC input.

What is the output voltage and power rating?

The transformer provides a single-phase 24 V AC output with a rated apparent power of 320 VA.

Is this transformer suitable for outdoor use?

No, the IP20 rating indicates it is protected against solid objects but not against water or excessive dust, making it suitable for indoor control cabinet applications.

Can multiple transformers be installed in series?

No, this transformer is not designed for serial installation.

What is the meaning of Isolation Class T 40/B?

This designation refers to the operating temperature limits and insulation system class, ensuring reliable performance within specified thermal conditions (T 40 for ambient temperature, B for insulation class).

Troubleshooting

No output voltage

Verify input voltage is correctly applied to the primary terminals. Check all connections for tightness and continuity. Ensure the input voltage is within the specified range (230V AC or 400V AC).

Overheating

Confirm the connected load does not exceed the 320 VA rating. Ensure adequate ventilation around the transformer within the control cabinet. Check for short circuits in the connected load.

Intermittent output

Inspect terminal connections for looseness or corrosion. Ensure the input power source is stable. Verify the load is not causing voltage dips.

Pros and Cons

Pros

  • Provides essential electrical safety through isolation.
  • Flexible input voltage options (230V AC or 400V AC).
  • Suitable for integration into standard control cabinets.
  • Reliable 24V AC output for control circuits.
  • Robust build quality typical of Murrelektronik products.

Cons

  • Not an autotransformer, limiting installation configurations.
  • Cannot be installed in series.
  • IP20 rating requires protection from moisture and dust.
  • Specific replacement parts may require specialized sourcing.

Setup, Compatibility & Care

Setup:

  1. Ensure the power source (230 V AC or 400 V AC) matches the primary winding specifications.
  2. Connect the input voltage to the designated primary terminals, observing correct polarity if applicable.
  3. Connect the 24 V AC load to the secondary output terminals.
  4. Mount the transformer securely within a control cabinet, ensuring adequate ventilation.
  5. Verify all connections are tight and insulated before applying power.

Compatibility:

  • Primarily designed for integration into control cabinets.
  • Compatible with standard industrial control system voltages (230 V AC / 400 V AC input, 24 V AC output).
  • *Not* compatible with autotransformer applications or series installation.

Care:

  • Periodically inspect for dust accumulation and clean with a dry or slightly damp cloth. Avoid solvents.
  • Ensure ventilation slots remain unobstructed.
  • Check terminal connections for tightness during scheduled maintenance.

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