FAQ | Electro Terminal

FAQ – Fantastic Answers Quickly

Even with data sheets, operating manuals, and newsletter articles, questions may come up in everyday practice.

And that’s a good thing – because many issues can only be clarified in specific applications. In this article, we have collected the most frequently asked questions for you – ranging from product details to suitable accessories and practical tips for use.

Whether you want to know which strain relief is the best match for the SLK X, how the CLEAR RANGE differs from the SLK 3, or what GWIT/GWT actually means – you will find clear and straightforward answers.

For which applications is the SLK housing suitable?

for installation in suspended ceilings (see data sheet)
universal use for the protection of electrical connections (see illustration)

What combination of fixing and grounding options are available for the SLK X?

SLK X with fixing pin

E-PIEC (illustration)
E-SCHR
E-SCHRCU

SLK X/5 ALP fixing pin for aluminum profiles

E-SCHR

SLK X/5 OF (without fixing pin – screw fixation)

E-SCHR

What is the tab used for on the SLK X/5 OF?

The plastic tab on the SLK X/5 version without fixing pin (OF) serves to securely fix the terminal.

Does the SLK X have UL approval?

All SLK X versions are UL approved – except for the SLK X E-SCHR (version with screw earth). For this case, however, the SLK X/5 E-SCHRCU is available as a UL-certified variant.

When is the SLK X SKII used?

The SLK X SKII is used in luminaires with reinforced insulation (protection class II) up to 300 V. A typical application is outdoor lighting.

I need special printing. Is that possible?

All our products can be customized from a certain minimum order quantity, provided that there is sufficient space on the terminal.

Which strain reliefs fit the SLK X?

The following strain reliefs can be used with the SLK X:

88168394 - BFP ZUG SLK 7

88168395 - BFP ZUG SLK 7 STAND ALONE

88167546 - BFP ZUG OF

What does GWIT or GWIT 775 mean?

GWIT → Glow-Wire Ignition Temperature
GWT → Glow-Wire Test, a standardized test according to IEC 60695 to assess the flammability of plastics
GWIT 775 → material did not ignite during the glow-wire test at 775 °C on the standardized test plate

What is the difference between SLK 3 and SLK 3 CLEAR RANGE®?

The functions, dimensions, and technical values of the SLK 3 and the SLK 3 CLEAR RANGE® are identical.
The key difference lies in their sustainability:

The SLK 3 CLEAR RANGE® consists of up to 89% sustainable materials.
It is free of halogen and persistent UV stabilizers.
It can be fully dismantled at the end of its life cycle.
It can be efficiently reintegrated into the material cycle.