Square D H-221-NRB 30 Amp Safety Switch Series E1 3R NEMA 7.5 HP 240VAC

The Square D H-221-NRB is a 30 Amp safety switch that is part of the Series E1 product line. This safety switch is designed for use in industrial and commercial electrical systems, providing reliable performance and protection. It allows for safe operation of electrical equipment, ensuring that circuits can be disconnected from their power source. The H-221-NRB model features a NEMA 3R rating, which indicates it is suitable for outdoor use and is resistant to rain and sleet. It is ideal for applications that require a switch to control motors, lights, and other electrical equipment in environments where exposure to moisture is a concern. With a horsepower rating of 7.5 HP at 240VAC, this safety switch is capable of handling significant electrical loads, making it a versatile choice for various industries. Unique features include robust construction for durability, clear visual status indicators, and a compact design that facilitates easy installation and maintenance. Overall, the Square D H-221-NRB safety switch is recognized for its safety performance and reliability in demanding settings.

Manufacturer: SQUARE D COMPANY. Nameplate marked SQUARE D COMPANY PLANT 15, MADE IN U.S.A. The brand is now part of Schneider Electric. Catalog Number: H-221-NRB (catalogued by Schneider Electric as H221NRB) Product: SAFETY SWITCH, heavy duty Series: SERIES E1 NAMEPLATE RATINGS TRANSCRIBED FROM THIS UNIT Amperage: 30 AMP Voltage: 240 V.AC., 125/250 V. DC Phase: 1 AND 3 Standard Horsepower: 1 1/2 HP single phase, 3 HP three phase Maximum Horsepower: 3 HP single phase, 7 1/2 HP three phase Switch Configuration: Single Throw Fusible With Solid Neutral Enclosure: TYPE 3R ENCLOSURE, RAINPROOF Conductor Lugs: LUGS SUITABLE FOR 60 C OR 75 C COPPER OR ALUMINUM CONDUCTORS Listing: UNDERWRITERS LABORATORIES INC. LISTED ENCLOSED SWITCH HORSEPOWER RATING, READ CAREFULLY: 7 1/2 HP is the MAXIMUM three-phase rating, not a blanket rating for the switch. The standard ratings are 1 1/2 HP single phase and 3 HP three phase. The nameplate states that TIME DELAY FUSES must be used above the standard horsepower rating. NAMEPLATE CODES AS STAMPED K-313297 ISSUE NO. AK-9819 40261-548-05 Inspection stamp: A07U9441 SAFETY INSTRUCTIONS ON THE PLATE: the plate carries a shock and burn hazard warning, directs the user to consult the instructions inside the door, to switch off before changing fuses, to isolate power ahead of the switch before working inside, and to refit all parts and close the door before restoring power. It also notes that additional data is printed inside the enclosure. Schneider Electric's published catalogue entry for H221NRB agrees with the plate on 30 A, 240 VAC / 250 VDC, 2 pole, 3 wire with 1 neutral, 7.5 hp and Type 3R, and adds a bolt-on hub provision. Schneider records the catalogue number as discontinued on 23 June 2023, with VH221NRB named as the recommended replacement. UNPUBLISHED / NOT STATED HERE: the short circuit current rating and the fuse classes accepted are not given on the nameplate and are not stated on the Schneider catalogue page, so no figure is adopted for them. Enclosure material, dimensions and weight are likewise not stated on either source. The switch carries no serial number field; K-313297 and A07U9441 are catalogue and inspection codes. Spec Basis: Nameplate transcription from this unit's own photographs (Square D Company, H-221-NRB, Series E1, 30 AMP, 240 V.AC. 125/250 V. DC, 1 AND 3 phase, standard and maximum horsepower as listed, Type 3R rainproof enclosure, single throw fusible with solid neutral, UL listed enclosed switch, K-313297, Issue No. AK-9819, 40261-548-05, Plant 15, Made in U.S.A.). Catalogue cross-check against the Schneider Electric / Square D product page for H221NRB (rating summary, bolt-on hub provision, discontinuation date and replacement reference).