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SERIES 24
INSTRUMENT AND CONTROL SWITCHES
Features
Double-Sided, Double-Wiping, Knife-Type Rotary Contacts
Silver Contact Surfaces for Long, Reliable Life
Terminal Screws Easy Installation
Four Hole Mount
Control Switch Special Features
Spring Return to Normal (Vertical) Position
Instrument Switch Special Features
Make-Before-Break (Shorting Contacts)
Common Input Tap Switch Arrangement - Sequentially Connected
to Several Lines Using the Same Switching Deck
Positive Positioning, Maintained Action Detent Mechanism
Electrical Specifications
Interrupt Ratings
15A/120VAC
4A/600VAC
7.5A/240VAC
Overload Current (50 operations): 30A/125VAC Resistive
Voltage Breakdown: 1200V rms minimum
Insulation Resistance: 100 Megohms minimum
Contacts Resistance: 10 milliohms maximum
Mechanical Specifications
Sections
1 to 30
Poles
1 to 60
Positions
8; Adjustable Stops for 28 Position Rotation
Contacts
Break-Before-Make (Non-Shorting);
Make-Before-Break (Shorting)
Action
45° Positive Detent Indexing
Mounting
4-Hole
Panel Thickness
3/16" Max. Standard
Rotor Contacts
Silver Plated Phosphor-bronze, Double Grip
Stationary Contacts
Silver Plated Copper, w/Integral Screw Type Terminals
Construction
Contacts Enclosed in Molded-phenolic Disks
Approvals
UL File No. E18174
CSA File #LR20743
Variations
For Key Lock Handle, Key Operated Handle, Solenoid Lock Handle, Push-to-Turn, Spring Return
or Waterproof Mount Switches please see page 18.