Bulletin 1494C Cable Operated Disconnect Switch Kit (400A) Installation Instructions (Cat 1494C- _ Series 2 : 400A)

Transcription

1 Bulletin 494C Cable Operated Disconnect Switch Kit () Installation Instructions (Cat 494C- _ Series : ) ATTENTION: To prevent electrical shock, disconnect from power source before installing or servicing. Follow NFPA 70E requirements. Install in suitable enclosure. Keep free from contaminants. ATTENTION: The following procedures are critical to the proper operation of the disconnect handle and switch. Failure to follow these steps can result in damage to the equipment and/or serious injury or death to the operator. Table of Contents Page Quick Installation Guide - Disconnect Switch Installation,3 - Disconnect Handle Installation 3 - Assemble and Install Line Terminal Guard 4 - Cable Mechanism Installation 4 - Connecting Rod Adjustment Procedure 5 Enclosure Without Handle Cutout 6 - Locate Handle - Drill Handle Holes Door Catch Mounting Bracket Installation 7 Trailer Fuse Block Installation () 8 Phase Barrier Replacement () 9 Fuse Clip Installation () 0 Bulletin 494C Cable Operated Disconnect Switch Kit Components Bulletin 494C Cable Operated Disconnect Switch Kit Optional Accessory List

2 QUICK INSTALLATION GUIDE IMPORTANT: When locating the switch, verify that the minimum diameter for the loop of the cable between the switch mechanism and handle mechanism is not less than 6 inches. Any reduction to the diameter of the bend loop for the cable will reduce the efficiency of the cable system, and create additional drag and friction within the cable conduit. IMPORTANT: Verify that the cable assembly does not interfere with any mechanical and moving parts. Keep the cable conduit a minimum of /" from all heat sources and current carrying terminals, fuses, transformers, etc. Disconnect Switch Installation Switch Size Panel Mounting Dimensions AA BB CC DD EE (4) Mounting Plate Holes " " 4-3/4" -3/8" 9/3" Dia. FF Minimum Bend Diameter 6" Dia. a Locate switch with right hand mechanism EE AA EE AA BB BB DD DD CC CC Enclosure with Right Hand Flange FF FF Enclosure with Left Hand Flange b Locate switch with left hand mechanism AA EE AA EE BB BB DD DD CC CC Enclosure with Right Hand Flange FF FF Enclosure with Left Hand Flange ()

3 Disconnect Switch Installation (Cont'd) Assemble disconnect switch to cable switch mechanism 3 Assemble disconnect switch assembly to mounting plate lb-in () Thread forming screws provided with disconnect switch. Disconnect Switch with Right Hand Cable Mechanism (shown) Thread forming screws provided with cable mechanism lb-in () 4 Install rubber handle on line terminal guard 5 Install the line terminal guard on disconnect switch LINE TERMINAL GUARD LINE TERMINAL GUARD Disconnect Handle Installation Install gasket Install handle and mechanism bracket 3 Install defeater lever lb-in (Right Hand Flange Mounted Shown) NOTE: Apply grease from capsule to gasket or groove to retain gasket to handle. 7- lb-in (3)

4 3 Cable Mechanism Installation Verify that disconnect switch and handle are in "ON" position. (Switch blades will not be visible) Rotate connecting rod (clockwise) into drive bar until it begins to exit the drive bar (approximately 8 full turns). 3 Align connecting rod with primary link Connecting Rod Primary Link (4)

5 3 Cable Mechanism Installation (Cont'd) 5 Install hitch pin clip 6 Turn disconnect handle "OFF" and install handle mechanism spring Hitch Pin Clip 4 Connecting Rod Adjustment Procedure "ON" Position ➊ Move disconnect handle to the "ON" position. ➋ If switch does not fully close, return handle to "OFF" position. ➌ Remove link spring hitch pin and disengage the connecting rod from the primary link. ➍ Turn connecting rod counter-clockwise ( or more) full turns. ➎ Re-engage connecting rod in primary link of handle, insert hitch pin and re-test ➏ Repeat ➊ - ➎ as necessary. ➐ Re-install link spring. "OFF" Position ➊ Move disconnect handle to the "OFF" position. ➋ If switch does not fully open, return handle to "ON" position. ➌ Remove hitch pin and link spring, then disengage the connecting rod from the primary link. ➍ Turn connecting rod clockwise ( or more) full turns. ➎ Re-engage connecting rod in primary link of handle, insert hitch pin and re-test. ➏ Repeat ➊ - ➎ as necessary. ➐ Re-install link spring. ATTENTION: CHECK FOR PROPER OPERATION. Upon completion of the installation instructions, no further adjustment of the cable mechanism is required. (5)

6 Enclosure without Handle Cutout Enclosures with a Flange Thickness less than 3/6" use dimensions below to install disconnect handle. Locate Handle -/8" -/8" -3/8" -3/8" 4-3/8" 4-3/8" Top Handle Hole Right Hand Flange Left Hand Flange Drill Handle Holes ().38 Dia. Holes Top Handle Hole 5/6" /" /4" 5-/" 6-/" Square corners or up to /4" radius (6)

7 Door Catch Bracket Installation Right hand installation shown (for left hand installation follow similar procedures) Door Catch Mounting Bracket: Provided with projections for welding. Projections can also be used as a guide for drilling holes. Can be used as a template to drill corresponding holes in the enclosure door. User to supply the hardware for fastening the bracket. Fasteners must provide the degree of ingress protection for the environmental rating of the enclosure. The bracket hardware must be inaccessible to unauthorized personnel. Dimension K (3/4" to ") When using large disconnect handle kit only (494F-M or -S), use door catch provided with handle kit. When using large disconnect handle kit and small door hardware kits (494V-L, -LL, -L or -LL), use door catch provided with door hardware kit. Dimension K (-/8" to -3/8") When using large disconnect handle kit and large door hardware kits (494V-L3 or -LL3), use door catch provided with door hardware kit. Door Catch Mounting Bracket Top TOP VIEW Door Catch Enclosure Door Door Catch Mounting Bracket Flange Thickness K Door Catch - /8" - 5/8" - 3/8" Enclosure Base -/8" -/8" -3/8" -3/8" 4-3/8" 4-3/8" 3-3/4" 3-3/4" Top Handle Hole Door Catch Mounting Bracket -5/8" -5/8" Door Catch Mounting Bracket Right Hand Flange (7) Left Hand Flange

8 Trailer Fuse Block Installation (Switch Rating ) Trailer Fuse Block Location Note: Refer to the figures and chart below to determine the location on the mounting plate for the trailer fuse block. (Not required for non-fusible disconnect switch applications.) 494V-FS Amp Trailer Fuse Block (494V-FS400) Fuse Torque (lb-in) A Amps Voltage Class Fuse Fuse Lug to Wire Block Clip Terminal into Lug H/R H/R J HRCII-C H/R H/R J HRCII-C 7-/6" 0-3/6" 6-3/8" 6-3/8" 8-/6" -/6" 7-3/6" 8-/6" A 4-3/4" Install Trailer Fuse Block 494V-FS400 (See Table ) (8)

9 Phase Barrier Replacement Kit (Switch Rating ) 494F-PH lb-in 4 CLICK Terminal Adapter Installation - Conversion from Fusible to Non-Fusible (Switch Rating ) 90-0 lb-in lb-in lb-in (9)

10 Fuse Clip Installation (Switch Rating ) Switch for Right Hand Mechanism Switch for Left Hand Mechanism 00A Fuse Clips Fuse Clips 6 - lb-in - 37 lb-in 00A Fuse Clips Fuse Clips 6 - lb-in - 37 lb-in Switch for Right Hand Mechanism Switch for Left Hand Mechanism 00A Fuse Clips Fuse Clips 3-37 lb-in lb-in 00A Fuse Clips Fuse Clips 3-37 lb-in lb-in (0)

11 Bulletin 494C Cable Operated Disconnect Switch Kit Components Disconnect Switch Kit Cat No. Handle 494F-M (7-/" Painted Metal) ( - 600A) 494F-S (7-/" Stainless Steel) ( - 600A) Switch Switch for Right Hand Mechanism 494F-D400 () Switch for Left Hand Mechanism 494F-DX400 () Cable Mechanism Cable with Right Hand Mechanism 494C-CM9: (4 Ft Cable) 494C-CM0: (5 Ft Cable) 494C-CM: (6 Ft Cable) 494C-CM: (0 Ft Cable) Cable with Left Hand Mechanism 494C-CMX9: (4 Ft Cable) 494C-CMX0: (5 Ft Cable) 494C-CMX: (6 Ft Cable) 494C-CMX: (0 Ft Cable) Fuse Block 494V-FS400 () Fuse Clips 40-N45 (Class H,J, 00A - 50V, 00A - 600V) 40-N46 (Class H,J, - 50V, - 600V) 40-N54 (Class R, 00A - 50V, 00A - 600V) 40-N55 (Class R, - 50V, - 600V) ()

12 Bulletin 494C Cable Operated Disconnect Switch Kit Optional Accessory List Optional Accessories (Installation Instructions Not Included) Cat No. Electrical Interlock Switch with Right Hand Mechanism 495-N43 (-N.O./N.C.) (00A - ) 495-N44 (-N.O./N.C.) (00A - ) Switch with Left Hand Mechanism 495-N4 (-N.O./N.C.) () 495-N4 (-N.O./N.C.) () Auxiliary Contact 495-N8 (-N.O.) (30A - ) 495-N9 (-N.C.) (30A - ) Auxiliary Contact Adapter Kit 495-N5 (00A - ) (Required only for switch with Left Hand Mechanism) Wire Lug Connectors 494R-N4 (CU Wire Size ( ) - #/0-50 MCM () 494R-N5 (CU Wire Size # MCM () Phase Barrier 494F-PH5 () Switch Rating Fuse Class Fuse Clip Rating 50V 600V Cat No. Fuse Cover with Door H, J, R Non-Fusible 00A 00A N68➀ H, J, R Non-Fusible 00A 00A N63➁ ➀ Switch with right hand mechanism ➁ Switch with left hand mechanism () Printed in U.S.A.