ASCO Series 300, 600-1000 Ampere "H" Frame Transfer Switches Type 1 Enclosure Outline
General Notes
- TYPE 1 ENCLOSURE. FREE STANDING. FLOOR MOUNTED. CODE GAUGE FORMED FRAME CONSTRUCTION.
- NEC STANDARD GAUGE PAN TYPE DOOR WITH LOCKABLE HANDLE.
- FINISH: ANSI 61 GRAY, POLYESTER POWDER STANDARD. OTHER ANSI COLORS AVAILABLE CONSULT FACTORY UL RECOGNIZED.
- RECOMMENDED CLEARANCES: FRONT: 36.00" [914mm].
- A 20% RATED GROUND BUS IS PROVIDED.
- UNIT IS DESIGNED FOR COMBINATION TOP AND BOTTOM CABLE ENTRY. THE STANDARD SWITCH CONFIGURATION IS FOR TOP LUGS EMERGENCY AND LOAD AND BOTTOM LUGS NORMAL. OPTIONALLY, THE SWITCH MAY BE SUPPLIED WITH REVERSE NORMAL & EMERGENCY LUGS. (REFER TO THE WIRING DIAGRAM FURNISHED WITH EACH TRANSFER SWITCH TO DETERMINE TERMINATION POSITIONS).
- NEUTRAL CONFIGURATIONS: AN OPTIONAL FULL RATED NEUTRAL CONFIGURATION FOR EACH SOURCE AND THE LOAD MAY BE PROVIDED. WHEN EQUIPPED IT IS IN ONE OF THE FOLLOWING FORMATS AS SPECIFIED BY THE CATALOG NUMBER NO. NEUTRAL TYPE: (A) SOLID (COPPER BUS) NEUTRAL (B) SWITCHED NEUTRAL POLE
- CENTER OF GRAVITY
- NO KNOCKOUTS ARE PROVIDED.
Cabling Notes
- ALL SIZES SUPPLIED STANDARD WITH MECHANICAL (SCREW TYPE) LUGS. (SEE AMP SIZE BELOW)
- LUG MATERIAL: ALUMINUM ALLOY 6061-T6 WITH ELECTRO TIN PLATED FINISH.
- SCREW MATERIAL: ALUMINUM ALLOY 6262-T9 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 ALL 300 SERIES 3NDTS, 3ADTS UNITS THE TB WILL BE MOUNTED ON THE UPPER RIGHT INSIDE OF ENCLOSURE.
- FOR ALL 3ATS AND 3NTS UNITS TB WILL BE MOUNTED ON THE TRANSFER SWITCH FRAME AS INDICATED.
Notes for Specific Amp Switches
Notes for 600 AMP Switches
- SUPPLIED WITH STANDARD MECHANICAL (SCREW TYPE) LUGS ON THE NORMAL, EMERGENCY & LOAD BUS STABS. ONE (1) LUG PER PHASE AND NEUTRAL EACH SUITABLE FOR CONNECTION OF TWO (2) #2-600MCM CU/AL CABLE.
- SUITABLE WIRE BENDING SPACE IS PROVIDED FOR UP TO TWO (2) 600MCM CABLES PER TERMINAL PER NEC.
- GROUND LUGS ARE PROVIDED STANDARD AS FOLLOWS; (6) 1/0 750MCM CU/AL CABLE CONNECTIONS.
Notes for 800-1000 AMP Switches
- SUPPLIED WITH STANDARD MECHANICAL (SCREW TYPE) LUGS ON THE NORMAL, EMERGENCY & LOAD BUS STABS. ONE (1) LUG PER PHASE AND NEUTRAL EACH SUITABLE FOR CONNECTION OF FOUR (4) 1/0-750MCM CU/AL CABLE.
- SUITABLE WIRE BENDING SPACE IS PROVIDED FOR UP TO FOUR (4) 600MCM CABLES PER TERMINAL PER NEC.
- GROUND LUGS ARE PROVIDED STANDARD AS FOLLOWS; (12) 1/0 750MCM CU/AL CABLE CONNECTIONS.
Notes for 400A (ADTS "B3" 4 Pole Only)
- GROUND LUGS ARE PROVIDED STANDARD AS FOLLOWS; (3) #6 250MCM CU/AL CABLE CONNECTIONS.
Enclosure Outline and Dimensions
This section describes the physical outline and dimensions of the ASCO Series 300, 600-1000 Ampere "H" Frame Transfer Switches Type 1 Enclosure.
Overall Dimensions
- Height: 72.00" [1829mm]
- Width: 34.00" [864mm]
- Depth: 16.00" [406mm]
Views and Features
- Front View (Without Door): Depicts the main enclosure body. Key internal components visible include a Terminal Block (TB) for 1000 AMP LUGS, a Ground Bus rated for 600 AMPS and another for 800-1000 AMPS (located at both top and bottom). Cable routing areas are indicated. Dimensions like 30.94" [786mm] and 20.00" [508mm] are shown.
- Front View (With Door): Shows the enclosure with its door closed. Features include a POWER METER, USER CONTROLS & INDICATORS, and a CONTROLLER USER INTERFACE.
- Side Views (Left and Right): Illustrate the profile of the enclosure, showing the door and overall depth.
- Top View: Indicates the top of the enclosure, highlighting a TOP & BOTTOM CONDUIT AREA measuring 28.00" x 14.00" [711mm x 356mm]. Mounting holes are also shown.
- Bottom View: Details the base of the enclosure, including mounting hole specifications (e.g., 4 PLC's, 0.56" [Ø14mm]).
- Internal Components: Ground bus configurations for different amp ratings are noted. Terminal Blocks (TB) are positioned as per cabling notes.
Approximate Shipping Weights
| SWITCH RATING (AMPS) | POLES | WEIGHT LB (KG) |
|---|---|---|
| 600, 800 | 2 | 419 (190) |
| 600, 800 | 3 | 442 (201) |
| 1000 | 2 | 431 (196) |
| 1000 | 3 | 460 (209) |
| 1000 | 4 | 489 (222) |
Drawing Information and Revisions
Revision History (ECN Log)
| ECN NO. | BY | APP. DATE |
|---|---|---|
| 289439 | TR NS | 05/07/21 |
| 279762 | WK BK | 07/09/19 |
| 248844 | BK BK | 6/10/14 |
| 247887 | TR BK | |
| 245452 | WK BK | 11/20/13 |
Original Issue
Issued By: DJB
Issue Date: 11/20/13
Drawing Creation Details
Project Name: OUTLINE 300 SERIES, 72x34x20 "H" FRAME 600-1000 AMP. TYPE 1
Drawn By: DJB
Checked By: BK
Approval By: BK
Manufacturing Tolerances: To be in accordance with ASCO Procedure MP-1-003.
For Plastic Parts: See MP-1-055
Property of ASCO Power Technologies. Use permitted for our work only. All rights of design or invention are reserved.
Manufacturer: ASCO POWER TECHNOLOGIES, LP. FLORHAM PARK, NEW JERSEY 07932 U.S.A.
Drawing Number: 1001394
Scale: NONE
Size: DS
Projection: THIRD ANGLE
