Specifications

Electroswitch • 180 King Avenue • Weymouth, MA 02188 • TEL: [phone] • FAX: [phone] • www.electroswitch.com
11
E
SERIES 24
INSTRUMENT AND CONTROL SWITCHES
Features
• Double-Sided, Double-Wiping, Knife-Type Rotary Contacts
• Silver Contact Surfaces for Long, Reliable Low Contact Resistance Life
• #8-32 Terminal Screws – Easy Installation of #12AWG Wire
• Standard Three Hole Panel Mount
Control Switch Special Features
• Spring Return to Normal (Vertical) Position Multi-Pole Contact Arrangements
• Mechanical Red/Green Target
• Slip Contacts for “Normal After” Applications
• Pull to Lock for Safety Lockout (see page 68)
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 Detent Mechanism
• Pre-Wired Applications
Synchroscope Special Features
• Removable Oval Handles
• Keyed Arrangements
Electrical Specifications
Continuous Ratings 30A/600V
Interrupt Ratings 20A/120VAC • 15A/240VAC • 6A/600VAC • 3A/125VDC • 1A/250VDC
• Overload Current (50 operations) 95A/120VAC • 65A/240VAC • 35A/600VAC
• Making Ability for Circuit Breaker Coils 95A–125VDC
• Contacts Resistance .01ohms maximum
Mechanical Specifications
Sections 1 to10 – Consult Factory For Additional Sections
Poles 1 to 20 – Consult Factory For Additional Poles
Positions 8; Adjustable Stops for 2–8 Position Rotation
Contacts Break-Before-Make (Non-Shorting);
Make-Before-Break (Shorting)
Action 45˚ Positive Detent or Momentary Indexing
Mounting Panel Mount, 3 Hole Mounting, Hardware Supplied
Panel Thickness 3⁄16" Max. Standard – Others Available
Rotor Contacts Silver Inlay Phosphor-bronze, Double-Wiping
Stationary Contacts Silver Plated, with Integral Screw Type Terminals
Construction Contacts Enclosed in Molded-phenolic Insulators
Approvals
• UL: File No. E18174 • CSA • Class 1E Nuclear •
Note: The Series 24 Class 1E Utility products comply with the following Nuclear Standards: ANSI/IEEE C37.90, ANSI/
IEEE C37.90.01, ANSI/IEEE C37.98, ANSI/IEEE C37.105, ANSI/IEEE 323, ANSI/IEEE 344, ANSI/ASME NQA -1.
Note 1: Nominal torques,
weights, and depth behind
panel are listed below.
Note 2: Assemblages are
shown with handle in 0˚
position (12 o’clock).
Assemblage 2 Assemblage 3
Model No. 24
Series
Assemblage
2 = Assemblage 2
3 = Assemblage 3
Handle Type
B = Oval Shank
C = Round Knurled
D = Pistol Grip
E = Removable Oval
Shorting
Blank = No
S = Yes
01 =
02 =
03 =
04 =
05 =
06 =
07 =
08 =
09 =
10 =
1
2
3
4
5
6
7
8
9
10
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
8
9
10
11
12
13
14
15
16
17
2.41
2.78
3.53
4.28
4.66
5.41
6.16
6.53
7.41
8.03
Matrix
Code
No. of
Sections
W
eight
(lbs.)
Torque
(lb./in)
Depth
Behind Panel
ORDERING INFORMATION -
(For generic switches fill out matrix below. For application specific switches see page 15.)
If you don’t see the switch you need, please consult the factory.