UL 508
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UL 508 Non-Fusible Disconnect Switches Amps: 20, 30, 40, 63, and 80A. Suitable as motor disconnect up to 40hp. F E AT U R E S / BENEFITS: switch on the market. Capable of making or breaking loads up to 600V (UL), it is suitable as a motor disconnect. Extremely compact and robust, these switches have a variety of mounting options including DIN-rail, base, or door-mounting. A wide assortment of handles, shafts and accessories is available to accommodate any installation requirement. Line-of-sight disconnect Electrical isolation Branch-circuit switch Motor disconnect DIN-rail, base, or door mounting Choice of handles and shafts Side-mount auxiliary contacts and additional poles Double-break, silver-plated, contacts ________ Special Configurations DM: Door Mounting © 2018 Mersen. All rights reserved. Mersen reserves the right to change, update, or correct, without notice, any information contained in this datasheet. Catalog number designation The M-series Load Break Switch is the most compact

UL 508 Disconnect Switches—Front Operated Switch Body Ampere Rating Base Part # Door-Mounted Version Direct Front Operation Locking Handle External Front Operation Selector Style NEMA Type 1, 3R, 12 HSBX, HSRX Door mounted version (no shaft required) HB65 HSBPDM, HSRPDM Pistol Style NEMA Type 1, 3R, 12 NEMA 4X Stainless Steel Shaft— SAxxx (xxx = length in mm) SA105 HSBWDM, HSRWDM B=Black, R=Black Fourth Poles Limited to one additional pole per switch Door mounted switch 4th poles are left-side mounted Neutral Poles Limited to one additional pole per switch 4P40 Door mounted switch neutral...

TECHNICAL DATA ACCORDING TO UL/cULus Part Number pf= 0.7...0.8 General Purpose Amp Rating Maximum Operating Voltage Max. horsepower rating / motor FLA current pf= 0.4...0.5 Three phase Single phase Short circuit rating with fuse Endurances Min. electrical endurance, pf. 0.75...0.8 Mechanical endurance Terminal lug kits Wire range Torque Maximum fuse size Fuse type Fuse type Fuse type Fuse type Fuse type Fuse type Fuse type A V HP/A HP/A HP/A HP/A HP/A A kA kA kA kA kA kA kA oper. cycles operations Wire tightening Lug mounting

TECHNICAL DATA ACCORDING TO UL/cULus Part Number pf= 0.7...0.8 General Purpose Amp Rating TECHNICAL DATA ACCORDING TO IEC 60947-3 Rated insulation voltage and rated Pollution degree 3 operational voltage AC20/DC20 Dielectric strength Rated impulse withstand voltage Ambient 40 °C 2) Rated thermal current and rated Ambient 40 °C 2) operational current AC20/DC20 Ambient 60 °C ...with minimum conductor cross Rated operational current, AC-21A Rated operational current, AC-22A Rated operational current, AC-23A Rated operational current / poles in series, DC-21A Rated operational current / poles...