ME 20MS1A-M2


MENNEKES’ HDI Series of motor disconnect switches gives machine builders and engineers the flexibility to meet the needs of today’s changing industrial environment while aiding lockout-tagout (LO/TO) requirements for employee safety.

These versatile disconnect switches include auxiliary contacts and can be modified with custom interfaces like pushbuttons or control devices. You can choose from a wide selection of Amp and horsepower ratings, phases, and load switching options. Whatever your operating need, HDI Series disconnect switches and enclosures are up to the task.

Catalog #
ME 20MS1A-M2
Type Disconnect Switches
Amperage 25A
Max HP Rating 5
Poles 3
NEMA Rating 4X; 12
Enclosure Type Non-metallic
Fusible Non-fusible
Compliance UL Standard 508
cUL to CSA 22.2 No. 14-M95
Product Series HDI
Enclosure Material VALOX™
Enclosure Size Standard
Standard HP Rating 3Ø 240VAC 3
Standard HP Rating 3Ø 480VAC 5
Standard HP Rating 3Ø 600VAC 5
Handle Material Nylon
Replacement Switch Product Number ME 20XMS1-M2
Auxiliary Contacts Yes
Auxiliary Contact Type 1 N/O & 1/N/C
Auxiliary Contact Position Top Mounted
Switch Mounting Switch block is mounted to DIN Rail
NEC Codes "Suitable as Motor Disconnect" per 2002 NEC Article 430-109(a)(6)
SCCR 65kA RMS Symmetrical when protected with equally sized Class J Fuse
Flame Rating UL 94-5VA and VO
UV Endurance UV Stabilized Material
Wiring Download Wiring Instructions
Mounting Method Standard
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