Kraus & Naimer Blue Line rotary isolator switch kit, type KG20B K301/E with S1 M280D/B24S handle assembly. Unit is new, never used, supplied complete in the original factory box with documentation.
Brand: Kraus & Naimer
Series: Blue Line (KG series)
Model: KG20B K301/E
Handle/kit code: S1 M280D/B24S (yellow/red operator and mounting parts)
Type: Rotary isolator / load disconnector / control switch
Typical rating for KG20B K301 variants: up to 25 A, 3‑pole, up to 500–690 V AC (exact values depend on configuration; see datasheet).
Mounting: Front panel mounting, square front plate with four fixing holes (approx. 48 × 48 mm per KG20B front dimensions).
Handle color: Yellow knob for use with red/yellow emergency‑style markings (handle visible in box).
Standards: Designed to meet IEC 60947‑3 and related switch‑disconnector standards (per KG series data).
See Kraus & Naimer catalog/data sheets for full electrical ratings, function diagram, and drilling pattern.
New old stock, never installed or wired.
Switch body, handle, and accessories are clean and packed inside the original carton with folded instruction sheet.
Cardboard box shows storage marks and some label wear/adhesive residue on the outside.
No visible damage, discoloration, or missing components in the kit.
Suitable as a main isolator or motor disconnect switch; buyer must confirm pole configuration, function code K301, and current/voltage ratings for the intended application.
Part code on box includes “KNKBG9530/005” which may be a customer or internal configuration reference; rely on KG20B K301/E and S1 M280D/B24S identifiers when checking datasheets.
