The Klöckner Moeller STK 0.28 Transformer is a robust control transformer for industrial applications, machines and control cabinets. It reliably converts 380 V primary voltage into 24 V secondary voltage and is ideal for control and automation technology.
Due to its stable construction and high short-circuit power, the transformer is particularly suitable for industrial control circuits and machine systems.
Technical Data
Manufacturer: Klöckner Moeller
Type: STK 0.28
Rated power: 0.28 kVA
Short-circuit power: 0.68 kVA
Primary voltage: 380 V ±5 %
Primary current: 0.83 A
Secondary voltage: 24 V
Secondary current: 11.67 A
Weight: 3.46 kg
Dimensions (L × W × H): 103 × 85 × 100 mm
Condition: used (top condition)
Our item number: T9/151
Couldn't load pickup availability
Further information
Manufacturer: Klöckner Moeller
Installation length:
Condition: new
Pipe connection:
Secure shopping
All electrical equipment has undergone a VDE safety inspection.
Delivery & Shipping
Austria: 1-2 working days
Germany: 2–3 working days
Europe-wide: 3–5 working days
Note: For freight forwarding goods from 40 kg, the delivery time is 3–5 working days.
Klöckner Moeller STK 0.28 Transformer 380V → 24V 0.28 kVA Control Transformer T9/151
Regular price€112,00 EUR
Regular priceSale price€112,00 EUR
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FAQ - Frequently Asked Questions
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Products & Compatibility
How do I find the right replacement pump for my heating system?
Simply send us a photo of your current pump or its nameplate via email or Whatsapp. Our experts will identify the right model for you.
What happens if the delivered pump doesn't fit?
Of course, you have a right of return in accordance with statutory provisions. To avoid this happening in the first place, we will be happy to assist you in advance with selecting the right pump.
What do the statuses "used" or "refurbished" mean for your pumps?
These are carefully reconditioned and tested pumps that offer a cost-effective alternative and are in working order.
What product categories do you carry besides pumps?
In addition to heating, domestic water, booster, and submersible pumps, we also offer electrical engineering (electrical materials, motors, transformers), heating/plumbing accessories, as well as heat pumps and suitable heat exchangers.
Do you also carry spare parts and accessories for pumps?
Yes, our product range includes mechanical seals, pump controls, junction boxes, flanges, insulation shells, and other pump accessories.
Do you also have spare parts for electrical engineering and heating systems?
Yes, we stock spare parts for electrical equipment (e.g. relays, contactors, circuit boards) as well as for heating and sanitary systems (e.g. heating mixers, valves, non-return valves).
If a product is not currently listed, can you still procure it?
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Shipping & Delivery
How long does delivery take?
Orders received by 1:00 PM on weekdays will be packed and shipped on the same day. Orders received later will be shipped on the next business day.
Within Austria, we deliver within 1 business day, and to Germany within 2–3 business days. Deliveries throughout the EU are also reliable, with delivery times varying by country.
Note: For freight items weighing 40 kg or more, the delivery time is 3–5 business days.
Will I receive a tracking number?
Yes, after shipping, we will provide you with the tracking number so you can check the status of your delivery at any time.
Certificates & Standards
Are your electrical devices safety-tested?
Yes, all electrical devices have undergone a VDE safety inspection.
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