Konrak Enclosed Maintenance Switch
A load-break maintenance switch supplied in a sealed IP66 enclosure. Sealed to IP66 in a robust polycarbonate enclosure — ideal for outdoor and wash-down duty. The LW30 switch inside provides rated currents of 25–100 A, and the red / yellow rotary handle is padlockable in the OFF position.
Two versions — 3-pole and 4-pole
The KEM series is available in a 3-pole and a 4-pole version, both built around the LW30 switch platform.
Yellow lid and grey body — polycarbonate enclosure.
Yellow lid and grey body — polycarbonate enclosure.
25–100 A
Rated current determined by the LW30 switch fitted inside the enclosure.
| Model | Poles | Switch inside | Rated current |
|---|---|---|---|
| LW30.3KEM | 3P | LW30 series | 25–100 A |
| LW30.4KEM | 4P | LW30 series | 25–100 A |
KEM technical data
| Enclosure | Yellow lid and grey body — polycarbonate enclosure |
| Protection class | IP66 (IEC/EN 60529) |
| Function | OFF-ON load-break isolation (main / maintenance / emergency switch) |
| Switch inside | LW30 series |
| Rated current | 25–100 A |
| Poles | 3P · 4P |
| Handle | External rotary handle, red with yellow ring · padlockable in 0 (OFF), up to 3 padlocks |
| Lid interlock | Yes — cover cannot be opened while the switch is ON (defeat mechanism) |
| Cable entry | Knockouts M20 / M25 / M32 (top and bottom) |
| Rated insulation voltage (Ui) | 690 V |
| Rated impulse withstand voltage (Uimp) | 6 – 8 kV |
| Terminals | Screw connection, up to 16 mm² |
| Standards | IEC/EN 60947-3 · BS EN 60947-3 |
| Marking | CE |
Values shown are typical for this enclosure type — please confirm against the current datasheet and drawing.
Built for safe, sealed isolation
IP65 / IP66 enclosure
Sealed against dust and water jets — suitable for indoor, outdoor and wash-down areas.
Polycarbonate / ABS
UV-resistant, self-extinguishing moulded enclosure with a strong, durable cover.
Red rotary handle
Large external rotary handle — red with a yellow ring for clear ON / OFF indication.
Padlockable in OFF
The handle can be locked in the 0 (OFF) position with up to 3 padlocks for lock-out / tag-out.
Lid interlock
The cover is interlocked with the switch — it cannot be opened while the switch is ON (defeat mechanism).
Multiple cable entries
Knockouts M20 / M25 / M32 on the top and bottom for easy cable management.
Load-break isolation
A load-break main / maintenance / emergency switch to safely isolate the equipment.
Two switch platforms
Fitted inside with the LW30 range (up to 100 A) or the LWP1 range (25 / 32 A).
Where the KEM is used
Machine tools & production lines
Local isolation of machinery and production equipment.
Outdoor & wash-down areas
Food, chemical and other environments requiring a sealed switch.
Pumps, fans & HVAC
Isolation of pumps, fans and HVAC equipment.
Conveyors & handling
Maintenance isolation for conveyors and material-handling systems.
Distribution & control panels
Main and maintenance switching in distribution and control assemblies.
Maintenance isolation
Lock-out / tag-out isolation for safe servicing.
Frequently asked questions
What is an enclosed maintenance switch?
It is a switch disconnector fitted inside a sealed enclosure — a load-break main, maintenance or emergency switch for safely isolating equipment.
Which models are available?
This series covers 3-pole and 4-pole versions in three enclosure styles.
What switch is fitted inside?
The LW30 range (25–100 A) or the LWP1 range (25 / 32 A), depending on the model.
What is the degree of protection?
IP65 or IP66, depending on the enclosure version.
Can the switch be locked?
Yes — the red / yellow rotary handle is padlockable in the 0 (OFF) position with up to 3 padlocks.
Can the cover be opened while it is ON?
No — the cover is interlocked with the switch, with a defeat mechanism for authorised access.
What cable entries are available?
Knockouts M20 / M25 / M32 on the top and bottom of the enclosure.
Need the right KEM enclosed switch?
Tell us the number of poles, the current rating and the enclosure type you need — our team will confirm the exact configuration and can supply samples or OEM versions.
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