• Siemens 4AC37 Safety Transformers (230 V AC, 16-63 VA)
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Siemens 4AC37 Safety Transformers (230 V AC, 16-63 VA)

Siemens 4AC37 Safety Transformers (230 V AC, 16-63 VA)

Siemens 4AC37 safety transformers for 230 V AC supply provide safety extra-low voltages from 8 to 32 V AC in modular installation design.

Key features

  • Rated operational power 16, 24, 40 or 63 VA
  • Secondary voltages 8, 12, 16, 24 and 32 V AC depending on type
  • Safe separation to EN 61558-2-6, creepage distances and clearances > 6 mm
  • Protection class II, IP20; 2, 3 or 5 MW

Specifications

Series 4AC37
Primary voltage 230 V AC, 50 Hz
Standards EN 61558-1, EN 61558-2-6
Degree of protection IP20
Ambient temperature 25 °C
Mounting DIN rail
Source Siemens Catalog LV 10 · 2026, p. 892-893
4AC3716-0 Power: 16 VA | Outputs: 8 V 2.0 A | Width: 2 MW
4AC3724-0 Power: 24 VA | Outputs: 12 V 2.0 A (8 V tap) | Width: 3 MW
4AC3740-1 Power: 40 VA | Outputs: 12 V 3.3/16 V 2.5/24 V 1.6/32 V 1.2 A | Width: 5 MW
4AC3740-0 Power: 40 VA | Outputs: 24 V 1.6 A (12 V tap) | Width: 5 MW
4AC3763-0 Power: 63 VA | Outputs: 12 V 5.2 A / 24 V 2.6 A | Width: 5 MW
AccessoriesSiemens
5 product codes available in this family
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Siemens 4AC37 Safety Transformers (230 V AC, 16-63 VA)

Brand Siemens·Accessories

Available part numbers (5)

4AC3716-0, 4AC3724-0, 4AC3740-1, 4AC3740-0, 4AC3763-0

How to order

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Product codes & specifications
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Product codeSpec
4AC3716-0Power: 16 VA | Outputs: 8 V 2.0 A | Width: 2 MW
4AC3724-0Power: 24 VA | Outputs: 12 V 2.0 A (8 V tap) | Width: 3 MW
4AC3740-1Power: 40 VA | Outputs: 12 V 3.3/16 V 2.5/24 V 1.6/32 V 1.2 A | Width: 5 MW
4AC3740-0Power: 40 VA | Outputs: 24 V 1.6 A (12 V tap) | Width: 5 MW
4AC3763-0Power: 63 VA | Outputs: 12 V 5.2 A / 24 V 2.6 A | Width: 5 MW

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