Single-phase control transformers

Product catalog summary

Overview: This document provides technical specifications and ordering information for single-phase control transformers, specifically the STN series, manufactured by Trafomodern. These transformers are designed for use in control circuits and comply with various international standards.

Specifications:

Standards Compliance: IEC/EN 61558-2-2, VDE 0570-2-2, UL 506, CSA 22.2 No. 66.
Applications: Control voltage circuits, functional low voltage.
Basic Equipment: Separate windings, insulation class B, ambient temperature range of -25 to 40°C, connection terminal (<63 A), frequency 50/60 Hz, ±5% tapping on the primary side.
Further Equipment: Enclosure IP23, additional tapping, additional winding, temperature control, static shield winding, tropics resistant equipment.

Ordering Information:

Transformers are identified by type designation, which includes rated input and output voltages.
Example: STN0,1(200/18.5) for a transformer with a 200 V input and 18.5 V output.
UL/CSA compliance is limited to 600 V, including tapping.

Technical Data:

Rated Output: Ranges from 0.03 kVA to 4 kVA.
Short Time Rating: Corresponds to rated output, with values provided for each model.
Efficiency Factor: Ranges from 0.75 to 0.96 depending on the model.
Dimensions: Detailed dimensions are provided for each model, including no-load losses, short-circuit losses, and total weight.

Pricing: Prices are listed per unit in Euros, varying by model and specifications.

All Trafomodern Transformatorengesellschaft catalogs and technical brochures

Archived catalogs

TRAFOMODERN Product Cathalogue
68 Pages