ASCO 300 Series 2000 Ampere G Frame Transfer Switch Outline Drawing

This document provides an outline drawing and technical specifications for the ASCO 300 Series 2000 Ampere "G" Frame Front Connected Transfer Switches, Type 3R/3RX Secure Enclosure.

Views and Dimensions

Top View

Dimensions: 46.63 inches (width) x 42.50 inches (depth). Features a 28.0 x 32.0 inch Top Conduit Area.

Front View

Dimensions: 42.50 inches (width) x 95.48 inches (height). Features two front doors with louvers.

Front View Without Exterior Doors

Dimensions: 41.0 inches (width) x 95.48 inches (height). Shows internal components including a Controller User Interface and Field Connections Terminal Block (TB).

Left Side View

Dimensions: 46.63 inches (width) x 95.48 inches (height). Shows internal cabling routing. Overall depth is 29.13 inches.

Right Side View

Dimensions: 46.63 inches (width) x 95.48 inches (height).

Plan View

Dimensions: 41.0 inches (width) x 46.6 inches (depth). Features a 28.0 x 32.0 inch Bottom Conduit Area. Includes 0.625 inch diameter mounting holes (required, 2 places).

General Notes

Type 3R enclosure: Free standing, floor mounted, code gauge formed frame construction.
Interior pan type doors and removable covers with padlockable handles and 3-point latch.
Construction complies with UL 1008 requirements.
Finish: Type 3R: ANSI 61 Gray Polyester Semi Gloss Electrostatic Powder. Type 3RX: Code gauge Type 304 Stainless Steel exterior.
Recommended Clearances: Front: 45 inches; Rear: None.
Bus material: Silver-plated copper, rated for 1000A per sq. in. density.
Neutral connection options: Solid (copper bus) neutral (standard) or Switched Neutral Pole (optional).
Designed for front access only.
Refer to operator's manual for specified transfer switch.
Exterior vents supplied with polyester dust filters.
Lifting plates are supplied; inspect for damage and torque to 45 ft-lbs before use. Refer to ANSI/NEMA PB 2.1 for handling. Remove after installation and reinstall bolts to exterior holes (approx. 20 ft-lbs).

Cabling Notes

Standard mechanical (screw type) lugs are supplied.
Lug Material: Aluminum Alloy 6061-T6 with electro tin plated finish.
Screw Material: Aluminum Alloy 6262-19 with electro tin plated finish.
UL Listed, CSA Certified.
Lug screw tightening torque per UL 486B: 19 ft-lbs.
Suitable wire bending space is provided (see amp size below).
Ground lugs are provided standard as follows (see amp size below).
Customer Terminal Blocks: For 300 series units, TB will be mounted on the transfer switch frame.

Notes for 2000 Amps

Standard mechanical (screw type) lugs on Normal, Emergency & Load bus stabs.
Each lug suitable for connection of six (6) 1/0 -750MCM CU/AL cables.
Suitable wire bending space provided for up to six (6) 750MCM cables per terminal, per NEC.
Ground lugs provided standard: (18) 1/0 - 750MCM CU/AL cable.

Document Information

Project Name: MOUNTING

Outline: G3ATS 2000 AMPS FRONT CONNECTED, LIFTING EYES

Type: 3R/3RX SECURE 96 X 41 X 47

Drawing Number: 1001395-002

Manufacturer: ASCO Power Technologies, L.P., Florham Park, New Jersey 07932 U.S.A.

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