Description
H321NRB - Square D - Heavy duty 30A 240VAC/250VDC 4 wire 3 pole 1 neutral 7.5hp NEMA 3R bolt on hub provision Fusible safety switch
The Square D(TM) by Schneider Electric brand Heavy Duty Safety Switch is designed to be tough, reliable and provide exceptional performance in the most grueling conditions. F Series safety switches provide significantly higher levels of mechanical endurance than NEMA KS-1 or UL98 standards require. All heavy duty safety switches feature a quick-make, quick-break operating mechanism, a dual cover interlock and a color-coded indicator handle. This Single Throw Safety Switch has a rated current of 30A and is UL listed with a NEMA 3R rating of protection. This 3-pole switch has operational voltage ratings of 240VAC & 250VDC. The enclosure is made of galvannealed steel and has a neutral (factory installed). This fusible disconnect has a short circuit current rating of 10kA to 200kA. This safety switch accepts H,J,K,L,Rfuse types and is surface mounted. This switch comes with an 18 months warranty.
GENERAL SPECIFICATIONS
| Product | Single Throw Safety Switch |
|---|---|
| Duty Rating | Heavy duty |
| Device Application | Heavy application |
| Disconnect Type | Fusible disconnect |
| Factory Installed Neutral | Neutral (factory installed) |
| Number of Poles | 3 |
| Current Rating | 30 A |
| Voltage Rating | 250 V DC 240 V AC |
| Enclosure Rating | NEMA 3R galvannealed steel |
| Standard Motor Power Rating | 1.5 hp at 240 V AC 50-60 Hz for 1 phase motors 3 hp at 240 V AC 50-60 Hz for 3 phase motors 3 hp at 240 V AC 50-60 Hz for 1 phase motors 7.5 hp at 240 V AC 50-60 Hz for 3 phase motors 5 hp at 250 V DC |
| Short-circuit current | 10 kA for H or K 200 kA for R or J |
|---|---|
| Fuse type | H or K R or J |
| Mounting Type | Surface |
| Electrical Connection | Lugs |
| Wiring configuration | 4-wire (3PH + G) |
| Wire Size | AWG 12...AWG 6 aluminium AWG 14...AWG 6 copper |
| Tightening torque | 45 lbf.in (5.08 N.m) 0.02 in (13.3 mm) (AWG 6) 40 lbf.in (4.5 N.m) 0.013 in (8.367 mm) (AWG 8) 35 lbf.in (4.0 N.m) 0.003...0.008 in (2.06...5.261 mm) (AWG 14...AWG 10) |
| Depth | 4.88 in (123.95 mm) |
| Width | 6.63 in (168.40 mm) |
| Height | 14.88 in (377.95 mm) |
| Product Weight | 9.55 lb(US) (4.33 kg) |
| Certifications | UL listed file E2875 |
|---|
| Category | US10DE100009 |
|---|---|
| Discount Schedule | 0DE1 |
| GTIN | 785901480068 |
| Returnability | Yes |
| Unit Type of Package 1 | PCE |
|---|---|
| Nbr. of units in pkg. | 1 |
| Package 1 Height | 5.200 in (13.208 cm) |
| Package 1 Width | 7.700 in (19.558 cm) |
| Package 1 Length | 16.200 in (41.148 cm) |
| Package weight(Lbs) | 8.569 lb(US) (3.887 kg) |
| Unit Type of Package 2 | PAL |
| Number of Units in Package 2 | 105 |
| Package 2 Height | 40.0 in (101.6 cm) |
| Package 2 Width | 40.0 in (101.6 cm) |
| Package 2 Length | 48.00 in (121.92 cm) |
| Package 2 Weight | 900.0004 lb(US) (408.233 kg) |
PRODUCT DATASHEET