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Square D VisiPacT Heavy Duty Fused Safety Switch, NEMA 4X Stainless Steel
Model: SQU-VH324NDSGL
Square D VisiPacT Heavy Duty Fused Safety Switch, NEMA 4X Stainless SteelThe Square D VisiPacT heavy duty fused safety switch from Schneider Electric delivers rugged power disconnection for demanding...
Square D
$8,365.90
Square D VisiPacT Heavy Duty Unfused Safety Switch, NEMA 1
The Square D VisiPacT Heavy Duty Unfused Safety Switch is a rugged, non-fusible disconnect built by Schneider Electric to isolate power reliably in demanding industrial and commercial environments. Rated 600V AC/DC, 30A, 3 pole, this heavy duty switch is housed in a NEMA 1 steel enclosure and includes a viewing window so technicians can visually confirm blade position before servicing equipment. UL Listed and engineered for significantly higher durability than a standard switch, it is designed to isolate power for daily switching and to provide an effective way to interrupt power in an emergency.
Key Features
- Electrical Rating: 600V AC/DC operational voltage (Ue) with a 30A, 3 pole configuration for dependable circuit disconnection.
- Durable Construction: NEMA 1 steel enclosure provides a rugged housing for indoor safety switch installations.
- Unfused Disconnect: Non-fusible disconnector device type simplifies maintenance while still providing a reliable manual disconnect means.
- Viewing Window: Built-in window allows visual verification of blade position without opening the enclosure.
- Wiring Configuration: 4-wire (3PH + N) configuration supports common heavy duty distribution setups.
- Motor Power Rating: Rated 10 hp at 240V AC 50/60Hz for 3 phase motors and 5 hp at 240V AC 50/60Hz for 1 phase motors.
- Wire Range: Accepts AWG 12...AWG 6 aluminum or AWG 14...AWG 6 copper conductors.
- Heavy Duty Design: Designed to have a mechanical endurance three times greater than NEMA standards.
Certifications & Compliance
- UL Listed, File E2875
- UL98
- CSA C22.2 No 4
- NOM-003-SCFI-2000
- RoHS EUR Compliant
Technical Specifications
- Series: Heavy Duty
- Disconnector Device Type: Non-fusible disconnect
- Wiring Configuration: 4-wire (3PH + N)
- AWG Gauge: AWG 12...AWG 6 aluminium; AWG 14...AWG 6 copper
- Ue Rated Operational Voltage: 600V AC/DC
- Average Life Duration: 15 year(s)
- Country of Origin: United States
Typical Applications
- Industrial and Commercial Power Disconnects
- Motor Control and Circuit Isolation
- Panelboard and Equipment Disconnect Switching
- Emergency Power Interruption
- Indoor Electrical Installations (NEMA 1)
Why Square D?
Square D heavy duty safety switches are built with a mechanical endurance three times greater than NEMA standards, backed by UL Listing and a NEMA 1 steel enclosure for dependable indoor performance. The unfused, VisiPacT design with viewing window gives electricians and panel builders a safe, code-compliant way to isolate power in daily operations and during emergencies.
Manufacturer Resources
Product Specs
- Product Type:
- Safety Switch
- Voltage Rating:
- 600V
- Amperage Rating:
- 30A
- Configuration:
- NEMA 1 Enclosure
- Listing:
- UL Listed
- Series:
- Heavy Duty
- Country Of Origin:
- United States
- Product Material:
- Steel
- Department:
- Electrical
- Product Group:
- Power Distribution
- Product Subgroup:
- Safety Switches & Disconnects
Square D VHU361N – Frequently Asked Questions
1) Will a 30A Square D VHU361N handle a 10 hp three phase motor?
At 240V AC 50/60Hz the switch is rated 10 hp for 3 phase motors and 5 hp for single phase. It is a 30A, 3 pole, 600V AC/DC rated device. Size the motor against those horsepower ratings rather than the amp number alone, and remember the switch provides no overload or short circuit protection.
2) What wire sizes will the lugs on the Square D VHU361N accept?
The terminals take AWG 12 through AWG 6 aluminum or AWG 14 through AWG 6 copper. Anything larger than 6 AWG will not land in these lugs, so if your feeder is upsized for voltage drop you need a larger frame switch.
3) Is this Square D safety switch UL Listed for use as a service or equipment disconnect?
The switch is UL Listed under File E2875 to UL98, and also carries CSA C22.2 No 4 and NOM-003-SCFI-2000, with RoHS EUR compliance. UL98 is the standard for enclosed and dead-front switches, which is what an inspector will be looking for on a disconnecting means.
4) Can I use the Square D VHU361N outdoors, and what should I use instead if not?
No. The VHU361N is housed in a NEMA 1 steel enclosure, which is rated for indoor dry locations only - it is not rainproof. For an outdoor or wash-down-exposed disconnect, the Eaton DH366URK K Series non-fusible safety switch is supplied in a NEMA 3R enclosure, which is the rainproof type used on rooftop and exterior walls. Note the Eaton is a 600A frame against the 30A rating of the VHU361N, so it is an enclosure-type answer rather than a same-ampacity swap.
5) What is the closest equivalent to the Square D VHU361N if the circuit needs fuses?
The Square D VHU361N is a non-fusible disconnect, so it provides a disconnect means only with no overcurrent protection in the box. When the design calls for fuses in the disconnect, the ABB TC-72367 Spec-Setter is a heavy-duty fusible safety switch, 3-pole, 600V AC, in a NEMA 1 enclosure - the same pole count, voltage class, and indoor enclosure type as the VHU361N, with fuse clips instead of straight blades. Choose the fusible version when the fuses in the disconnect are the branch-circuit protection; stay with the unfused VHU361N when protection is provided upstream at the panelboard.
6) Is there a cheaper general duty alternative to a Square D VisiPacT heavy duty safety switch?
Yes - the ABB TG-Series Spec-Setter is a general duty fusible safety switch, a lighter grade than a heavy duty switch. The Square D VHU361N is built to the Heavy Duty series with mechanical endurance three times greater than NEMA standards and a viewing window for blade verification; a general duty switch is intended for lighter-duty residential and light commercial service and does not carry that endurance claim. For a motor disconnect switched daily, or any industrial feeder, the heavy duty VHU361N is the grade to match; general duty suits an occasional-use branch disconnect.
7) Is a double-throw safety switch the same thing as the Square D VHU361N?
No - they look similar in the box but do different jobs. The VHU361N is a single-throw non-fusible disconnect: one source in, one load out, on or off. The Eaton DT-223UGK is a heavy-duty double-throw non-fused safety switch in a painted steel NEMA 1 enclosure, which transfers a load between two separate sources, the arrangement used for a manual generator or alternate-feed transfer. Both are non-fused and both are NEMA 1, so order the double-throw only when you actually need source selection; for a straight equipment disconnect the single-throw VHU361N is the correct part.
8) Can an electrician verify the blades are open without opening this Square D disconnect?
Yes. The VisiPacT design has a viewing window built into the cover so blade position can be confirmed visually before servicing, without opening the enclosure door. That is the practical difference between it and a standard heavy duty switch of the same rating.
9) Is the Square D VHU361N a 3-pole switch with a neutral, and does it switch the neutral?
It is a 3 pole switch in a 4-wire (3PH + N) configuration, so the three phase conductors are switched and the neutral is carried through a neutral provision rather than being broken by the blades.
10) What should I order instead of the VHU361N for a large feeder disconnect?
The Square D VHU361N is a 30A, 600V, 3-pole switch, sized for individual motor and equipment disconnects rather than service or feeder duty. For a large feeder, the ABB THN3365A is a 400A 3-pole 600V heavy-duty safety switch, and the Eaton DH366URK is a 600A non-fusible switch in a NEMA 3R enclosure. All three are 600V class 3-pole disconnects; the difference is frame ampacity, so size the switch to the conductor and load rather than substituting the 30A VHU361N.
11) Which 600V disconnect lets me confirm the blades are open without opening the enclosure?
The Square D VisiPacT VHU361N includes a viewing window so a technician can visually verify blade position before servicing equipment, which supports lockout/tagout verification without breaking the enclosure seal. The comparable heavy-duty switches - the ABB TC-72367 Spec-Setter fusible 3-pole 600V NEMA 1 and the ABB THN3365A 400A 3P 600V - are conventional enclosed switches in the same voltage class. If visible blade confirmation is part of your facility's energy-isolation procedure, the VisiPacT window is the distinguishing feature.
12) What is the exact part number and origin of the Square D VisiPacT unfused NEMA 1 switch?
The manufacturer part number is VHU361N, a Square D (Schneider Electric) 30A 600V 3-pole unfused VisiPacT heavy duty safety switch, made in the United States.
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Does the Square D VHU361N come with a warranty?
Absolutely. The Square D VHU361N is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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