21系列制动器动作旋转开关 21 珠海康宝莱仪表有限公司

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产品名称：21系列制动器动作旋转开关
产品型号：21
产品厂商：ELECTROSWITCH
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简单介绍：

• Double-Sided, Double-Wiping, Knife-Type Rotary Contacts • Silver Contact Surfaces for Long, Reliable Life • Terminal Screws – Easy Installation • Four Hole Mount

详情介绍：

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

• 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

Poles

Positions

Contacts

Make-Before-Break (Shorting)

Action

Mounting

Panel Thickness

Rotor Contacts

Stationary Contacts

Construction

Approvals

• UL File No. E18174

to Several Lines Using the Same Switching Deck 1 to 30 1 to 60 8; Adjustable Stops for 2–8 Position Rotation Break-Before-Make (Non-Shorting); 45° Positive Detent Indexing 4-Hole 3/16" Max. Standard Silver Plated Phosphor-bronze, Double Grip Silver Plated Copper, w/Integral Screw Type Terminals Contacts Enclosed in Molded-phenolic Disks

Variations

For Key Lock Handle, Key Operated Handle, Solenoid Lock Handle, Push-to-Turn, Spring Return

• CSA File #LR20743 or Waterproof Mount Switches please see special configurations.

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产品名称：21系列制动器动作旋转开关