SQUARE D
SQUARE D V5 Nonfusible Load Break Switch 600 V 3PST 125 A
Non-fusible three-pole load-break switch rated 125 A at 600 V with 25 hp at 240 V and 50 hp at 480 V and 600 V
- Non-fusible design simplifies maintenance with no fuse replacements needed
- 125 A rating handles heavy industrial motor loads reliably
- 600 V AC rating suits standard three-phase power systems
- DIN rail mounting enables quick panel installation
- IP20 enclosure protects contacts from dust and accidental contact
General-duty load break switch
The Square D V5 is a non-fusible load break switch rated for 600 V and 125 A. It provides three-pole, single-throw switching for three-phase circuits in industrial and commercial installations. The enclosed, non-metallic housing carries an IP20 rating and mounts on DIN rail for panel integration.
Suitable for motor disconnects and isolation
This switch suits applications that require a visible break and manual isolation up to 125 A, such as motor branch circuits at 240 V, 480 V or 600 V. It is not intended for overcurrent protection, so buyers who need integrated fusing or a higher interrupting rating should select a fusible alternative.
125 A continuous current rating
The 125 A rating determines whether the switch can carry the load without overheating. Horsepower ratings are 25 hp at 240 V AC and 50 hp at both 480 V and 600 V AC, giving a direct reference for motor-circuit sizing.
Highlights
- Non-fusible design simplifies maintenance with no fuse replacements needed
- 125 A rating handles heavy industrial motor loads reliably
- 600 V AC rating suits standard three-phase power systems
- DIN rail mounting enables quick panel installation
- IP20 enclosure protects contacts from dust and accidental contact
Specifications
| Brand | SQUARE D |
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Questions about this item
How do I mount the V5 load-break switch on a DIN rail and align the 8 mm shaft opening without misalignment?
Clip the housing onto a standard DIN rail, then insert the 8 mm shaft through the front opening and tighten the set screw so the handle drives the mechanism squarely.
Which parts of the non-fusible switch will need inspection or replacement after extended service?
The main contacts and operating mechanism should be checked for wear or carbon tracking; the IP20 non-metallic enclosure and DIN rail clip are not serviceable items.
At what current level does the 125 A rating become the limiting factor during continuous three-phase operation?
The 125 A rating is the thermal limit; sustained loads above 125 A on any pole will cause the switch to exceed its temperature rise allowance.
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