Enclosed disconnect switch A 100A 3-pole

Stock 2

Enclosed disconnect switch 100A 3-pole IP65 non-fused Sontheimer RLT100/3PM-D3/Z33

SKU: LBS-RLT100/3PM-D3/Z33

100A 3-pole enclosed disconnect switch for machine isolation, control panels, and industrial distribution points. IP65 enclosure with padlockable rotary handle; commonly used as a local isolator or maintenance switch where a non-fused disconnect is required.

What this product is for

This enclosed disconnect switch is used to safely isolate power to machinery, control panels, and industrial equipment during servicing, lockout, or emergency shutdown procedures. It is a non-fused 3-pole switch rated 100A and housed in an IP65 enclosure for demanding indoor or sheltered industrial environments.

Use for

Use for local equipment isolation, maintenance disconnecting means, machine tools, switch cabinets, and distribution assemblies. It is also suitable where a padlockable external handle and enclosed rotary disconnect are required.

Avoid for

Avoid using this switch where overcurrent protection must be built into the disconnect itself, since this is a non-fused unit. Do not size it by enclosure style alone; confirm voltage, short-circuit protection, motor duty, and code requirements for the installation.

Best for

Best for electricians and OEM panels needing a 100A enclosed 3-pole disconnect with IP65 protection, touch-safe terminals, and a lockable handle. It is a practical choice for industrial maintenance isolation and machine disconnect applications.

Installed in

Typically installed on machinery, production equipment, plant service areas, control enclosures, and industrial wall-mounted isolation points. Enclosure dimensions are approximately 230 mm x 373 mm x 125 mm, which is about 9.1 in x 14.7 in x 4.9 in.

Why this product exists

This product provides a clearly visible, enclosed means of switching and isolating 3-phase power at the point of use. In trade use, this type of disconnect is commonly selected where lockout capability, environmental protection, and straightforward rotary operation matter more than integrated fusing.

Compared with similar products

Compared with open-style disconnects, this enclosed version adds environmental protection and a built-in operating handle. Compared with fused disconnects, it is simpler and more compact but relies on upstream overcurrent protection. Typical motor ratings listed by ITC are 30 hp at 240V, 60 hp at 480V, and 75 hp at 600V, with actual application suitability depending on protection method and local electrical code.

Short-circuit performance depends on the upstream fuse arrangement. A published assembly rating is 10 kA at 600V when protected by a 200A Class RK5 fuse. Actual performance depends on installation conditions, available fault current, protective device selection, and local electrical code.

Specifications

Product type: Enclosed disconnect switch
Brand: Sontheimer
Manufacturer part number: RLT100/3PM-D3/Z33
Common ITC listing: LBS-RLT100/3PM-D3/Z33
Current rating: 100A
Poles: 3-pole
Construction: Enclosed / in housing
Protection rating: IP65
Switch positions: 0-OFF / 1-ON
Approvals: UL, CSA
Motor rating, 3-phase 240V: 30 hp
Motor rating, 3-phase 480V: 60 hp
Motor rating, 3-phase 600V: 75 hp
Short-circuit rating: 10 kA at 600V when protected by 200A Class RK5 fuse
Approximate enclosure dimensions: 230 x 373 x 125 mm (9.1 x 14.7 x 4.9 in)
Knockouts: 2x M40/63, 2x M32/50, 4x M25/40
Handle: External rotary handle, padlockable

- SKU
  LBS-RLT100/3PM-D3/Z33
- Manufacturer Part #
  RLT100/3PM-D3/Z33
Current Rating
100A
Poles
3-pole
Approvals
UL, CSA
Construction
Enclosed / in housing
Handle
External rotary handle, padlockable
Switch Positions
0-OFF / 1-ON
Short-Circuit Rating
10 kA at 600V when protected by 200A Class RK5 fuse
Knockouts
2x M40/63, 2x M32/50, 4x M25/40
Protection Rating
IP65
Brands
Sontheimer/ITC
Stock in Elmira
2

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