Product Description

The ABB TH4321R is designed for commercial and industrial applications where safety and high performance are essential. It is listed to UL standard 98 for enclosed and dead front switches and certified to CSA standard 22.2 no. 4-04. This heavy-duty safety switch meets or exceeds NEMA KS1 standards.

Suitable for use as service equipment when installed in accordance with the National Electrical Code.
Features a quick-make, quick-break mechanism.
Full cover interlocks for enhanced safety.

Product Highlights

This fusible disconnect switch ensures reliable performance in demanding environments. Ideal for industrial settings.

Product Information

Standard Information

Brand: ABB
Manufacturer Part Number: TH4321R
Country of Origin: UKN

Technical Specifications

Enclosure: NEMA 3R (Outdoor)
Voltage Rating: 240 AC
Amperage Rating: 30A
Number of Poles: 3
Category: Heavy Duty
Poles: 3
Wires: 4
Fusing: Fusible
Options: None
Wire Range (Cu/Al): 14-8 CU;12-8 AL
240 Vac, NEC Std, 1-ph: 1.5 hp
240 Vac, NEC Std, 3-ph: 3 hp
240 Vac, Time Delay, 1-ph: 3 hp
240 Vac, Time Delay, 3-ph: 7.5 hp
250 Vdc: 5 hp
cUL Listed: Yes
UL Listed: Yes
Height: 10.50 in
Depth: 3.10 in
Width: 6.20 in
Enclosure NEMA Rating: NEMA 3R
Manufacturer: ABB
Component: Fusible Disconnect Switch
Current: 30 Amp
Enclosure Disconnect Type: Heavy Duty Safety Switch
Part Number #: TH4321R
SKU #: 2431550
Horsepower: 1-1/2 hp, 3 hp
Type: Fused Heavy Duty
UNSPSC: 39122205
UPC: 00783164009200
UNSPSC Code: 39120000
Brand: ABB Industrial Connections & Solutions
Manufacturer Part Number: TH4321R
Unit of Measure: EA
Size: 10.5 in

Brand	ABB
MPN	TH4321R

ABB TH4321R Fusible Disconnect Switch 30A UL98

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