Transformer terminals from Switzerland? Relaxed connections with TOGA transformer terminals by PRONUTEC AG
YOGA with TOGA – the relaxed and simple transformer connection with TOGA brand transformer terminal sets from PRONUTEC AG. These set solutions consist of terminals and matching covers in the correct configuration according to the distribution transformer size, directly from local production.
YOGA with TOGA – the relaxed and assembly-friendly product solution for transformer connections, now also up to 4x400 mm² in vertical arrangement and thread sizes up to M48!
The PRONUTEC AG product family of transformer terminals & covers of the "TOGA" type (Transformer Optimal Device Connection) continues to grow this year with the new types of four-way terminals with vertical cable outlets up to 4x400 mm² and transformer bolt sizes up to M48.

Easy handling ensures a relaxed & flexible transformer connection and turns assembly work into a pleasant secondary matter. The pre-assembled sets are available per transformer size and type from the webshop, delivered from stock in Triengen. The flexible yet extremely robust covers ensure safe and clean coverage of live system parts and are equipped with a flexible sealing system that covers all common cable diameters.
Quick Overview:
- Nominal size: 100 to 2500 kVA distribution transformers
- Connection thread: M12 to M48
- Scope of delivery: Connection terminals / covers / sealing
- Standard / Type testing: EN 60947-1 & EN 61238-1 (VDE 0680-1 & EN 60900)
- Material: Solid hot-pressed parts made of Cu alloy
- Surfaces: Tin-plated, suitable connection for Cu or Al cables
- Connection type: Direct connection terminal, detachable & reusable
- Protection against contact: Transformer covers in plastic insulation
The matching transformer covers in two-component construction (black insulation outside & red inside) ensure a maximum of personal safety & insulation strength. The flexible, soft design allows connections in the tightest spaces.
Visit us at our booth E31 and discover the exhibits of the TOGA transformer terminal family from bolt size M12 / single-way from 1x50 mm² to bolt size M48 / four-way up to 4x400 mm²...


