Square D Digest 179

Light Duty Fusible Safety Switches

Light Duty Safety Switches

Class 3130

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Light Duty—Visible Blades 10 kA Short Circuit Current Rating The Square D light duty enclosed switch is ideal for home applications in disconnecting power to workshops, hobby rooms, furnaces, and garages. The light duty safety switch has visible blades and a ground lug as standard features. NEC 2023 protects against these units from being applied in any application, for compliance with NE2023 obtain Heavy Duty Safety Switch. Table 3.1: Light Duty 120 V or 120/240 Volt — Single Throw Fusible Switches

Horsepower Ratings

Max (Dual Element Time Delay Fuses)

NEMAType 1 Indoor Cat. No.

Std (Fast Acting One Time Fuses)

Equipment GroundKit

System Amperes

1Ø

3Ø

1Ø

3Ø

2 Wire (1 Blade and Fuseholder, 1 Neutral) – 120 Vac Plug Type Fuses

30

L111N

Standard

— —

—

—

3 Wire (2 Blade and Fuseholder, 1 Neutral) – 120/240 Vac Plug Type Fuses

30

L211N

Standard

1/2

2

1-1/2

3

3 Wire (2 Blade and Fuseholder, 1 Neutral) – 120/240 Vac Cartridge Type Fuses

L111N

30

L221N Standard

1/2

2

1-1/2

3

3 SAFETY SWITCHES

3-5

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