Enclosures

NEMA Type 1 Enclosure for 400–800 A Interior with Vented Mono-Flat Cover

MH type Box

• Standard enclosures are 20 in. (508 mm) wide by 5.75 in. (148 mm) deep. (26 in. (1887 mm) wide enclosures available for Factory Assembled panelboards).

• Boxes are galvanized steel with removable endwalls. On standard depth boxes, one endwall is provided with knockouts, and the other endwall is blank. On deeper boxes, both are blank. Endwalls are removable and interchangeable.

• 8.75 in. (222 mm) deep by 20 in. wide enclosures (required for NF interiors with PowerPacT™ L-frame circuit breakers) have blank endwalls and are also available from stock.
• Factory assembled panelboards may be ordered with enclosures that are 26 in. (1887 mm) wide enclosures and 5.75 in. or 8.75 in. deep (222 mm).

• Enclosure and interior mounting instructions are included in the documentation shipped with the interior.

• Keyhole slots are located in the box backwall to ease installation.

  NOTE: Interiors mount directly to studs in MH boxes. No interior mounting brackets are required.
  NOTE: 800 A interiors and interiors that have PowerPacT™ L main circuit breakers require elevating brackets, which are included in 8.75 in.
  (223 mm) deep boxes.

• Type 2 boxes include a drip hood (available with surface mounted trim only).

• Double (tub) Type 1 enclosures are available in 20 in. (508 mm) and 26 in. (1887 mm) widths from 38 in. (965 mm) to 92 in. (2337 mm) high.

Type 1 and 2 Trim Fronts

• Finished with gray-baked enamel over cleaned, phosphatized steel
  (ANSI 49).

• May be ordered flush or surface mounted.

• Door with flush lock; uses NSR-251 key.

• Directory card located on the inside of the door.

• Mono-Flat™ trim fronts on 100–250 A interiors mount to the deadfront with trim screws. Both trim mounting screws and door hinges are concealed; fronts are not removable with the door closed and locked.

• Trim fronts for 400–800 A interiors are ventilated and mount to the enclosure with trim screws; door hinges are concealed.

• Trim fronts 56 in. (1422 mm) high or more on 250 A interiors or 68 in. (1880 mm) high or more on 400 A, 600 A and 800 A interiors have two flush locks.

• Trim fronts on interiors with PowerPacT™ L, M, or P circuit breakers use
  3-point latching.

Key NSR-251 (Catalog No. LP9618)	Concealed Hinge for 125–800 A Trim Fronts	Interiors Mount Directly to Enclosure Studs
Standard Flush Lock (Catalog No. PK4FL)
NF NEMA 1 Three Point Latch Trim Front	MH Box

• Finished with gray baked enamel over cleaned, phosphatized galvanized steel (ANSI 49).

• Gasketed door with lockable vault handle (PK4NVL); uses NSR-251 key

• Directory card located on the inside of the door

• No knockouts in endwalls

• Trim kit included for end and side gutters

• Provisions for two ground bars

• 125 A, 250 A, 400 A main lug and main circuit breaker interiors

• 600 and 800 A main lug only

Type 3R, 5, and 12 Enclosures

Vault Handle with Lock (Catalog No. PK4NLV)

New Vented NEMA Type 3R Enclosure

New Vented NEMA Type 3R Enclosure

• 26" wide

• 8.75" deep

• Finished with gray baked enamel over cleaned, phosphatized galvanized

  steel (ANSI 49).

• Gasketed door with dual lockable vault handles (PK4NVL)

• Quarter-turn fasteners work with outer door handle to provide multiple latch points

• Directory card located on the inside of the door

• No knockouts in endwalls

• Provisions for two ground bars

• Supports main lug and main circuit breaker interiors up to 600 A

Type 4X Enclosure

• Watertight and dust-resistant

• Gasketed door with trunk latches

• Directory card located on the inside of the door

• Water and dust-resistant

• Gasketed door

• Directory card located on inside of door

• Type 304 is standard. Type 316 is also available.