630 kVA Dry-type Cast-Resin Transformer – 24 kV series

Standard 630 kVA dry-type transformer for 10 kV and 20 kV systems. A reliable solution for indoor environments, tunnels and demanding conditions – specified precisely to your project’s technical requirements.

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Select voltage series

12 kV series

Primary voltage 10 kV
±2×2,5%

24 kV series

Primary voltage 20 kV
±2×2,5%

Technical specifications – 630 kVA – 24 kV series

General information
Primary voltage	20 kV ±2×2,5%
Secondary voltage	400 V
Connection group	Dyn11
Frequency	50 Hz
Standards	IEC 60076-11
Parameters
Uk [%]	6
Po [W]	990
Pk 75 °C [W]	7 100
Weight [kg]	2 200
Dimensions (AxBxC) [mm]	1520 × 850 × 1580
Technical specifications
Insulation class	F
Operating temperature	-25/+40 °C
Cooling method	Air natural (AN)
Accessories	3 PT100 temp sensors, 4 wheels (std eq.)

Dimensions and installation information

	24 kV series
Length A	1 520 mm
Width B	850 mm
Height C	1 580 mm
Weight	2 200 kg

Preliminary pricing and delivery time

Get a quick estimate of the price level and delivery time for a standard 500 kVA model. The final price is determined by the technical choices.

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BTB quality and flexible manufacturing partners

When you see the BTB nameplate on a transformer, you know it meets our strict quality standards. Our distribution transformers are manufactured by SEM Transformatör, whose certified quality guarantees durability in demanding conditions.

Good price – quality ratio

Long-term cooperation

Short lead times from European manufacturer

FAST TRACK

Fast track services – for urgent projects

Thanks to our global network of partners, we’re able to find a producer with manufacturing capacity, even when others are fully booked. This allows us to deliver new production quickly in critical situations – without compromising on quality.

Quick response

We respond to your enquiry within 24 hours with an initial assessment.

Priority production

We leverage available capacity in our network to shorten waiting times and give your project priority.

Efficient logistics

We minimise lead times and prepare the equipment for delivery as soon as final tests are complete. 

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Let’s start planning your transformer

Custom models are made to order and handled as individual projects. Choose the features you need – we’ll design a technically optimised solution for your specific requirements.

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Joakim Rönngård 

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