Delivery release: 3KD switch disconnectors up to 2000 A: current rating expansion of all 3KD frame sizes, improved techical values
The new introduced switch disconnectors have smaller dimensions and a lower price position compared to the already existing 3KD switch disconnectors.
Due to this introduction, the customer has the benefit to choose between products with higher technical data but bigger dimensions or a product with lower technical data but significantly smaller dimensions.
The attached table shows an overview of the technical data of 3KD. The data colored in red are new or have been improved. Mostly the following data is concerned:
- switching without load:
AC-20 A values at 1000 V
DC-20 A values at 1000 V
- switching under load:
AC-21 A und AC-22 A Werte bei 1000 V
- improved short cicuit values
- short circuit values with series-conducted MCCB (3VA)
- higher endurance values
smaller dimensions, lower price positioning, improved technical data