NIPPON GEAR

NIPPON GEAR

Limit Switch

Limit Switch

SS Series

Outline

The SS Series limit switch activates when the lever is pulled both to the left and right. It can be moved at an angle of up to 80 degrees or more.

Features

  • High reliability:
    Developed for machines, equipment, and plants that require high reliability.
  • High rigidity:
    The whole unit including the inside switch and the operating mechanism is composed with high rigidity.
  • Snap action:
    With the snap-action structure, the high-speed and breaking capacity is increased.
  • Selected material:
    Made with carefully selected materials and precise manufacturing,
    Our Limit switch ensures reliable operation and long life.

Technical Specification

■Container structure

Made of corrosion-resistant aluminum die-casting,
the structure is oil-proof, dust-proof, and waterproof.

■Operating mechanism

The snap-action mechanism is designed to operate at high speed.

■Contacts

The wiping motion of the butt-type silver contacts ensures high capacity and reliable operation. Additionally, each circuit is electrically isolated.

■Lever

The rotation direction can be easily changed by moving the internal return spring between the left and right. Additionally, the lever position can be set to any desired position within 180°in increments of 7°30’.

■Ambient Temperature

-20℃~+90℃

■Humidity

95% RH MAX

■Rating

●AC current
Rated Voltage (V) 125 250 500
Load Resistance Inductance Motor Resistance Inductance Motor Resistance Inductance Motor
Open/Close Current (A) 20 15 7.5 15 10 5 5 3 2
●DC current
Rated Voltage (V) 8 14 30 125 250
Load Resistance Inductance Resistance Inductance Resistance Inductance Resistance Inductance Resistance Inductance
Open/Close Current (A) 20 15 20 15 10 7 5 3 1.5 1

■Operating angle and operating force

Item Type
SS42N
Trip travel : PT 12°
Reset travel : MD
Total travel : TT 80°
Recommended travel : RT 15°
Operating toque (kg-cm) 30°

■Dimensions and mounting diagram

SS42 NTAB

SS42 NTBB

Note 1: () indicates inch screws.

Note 2: () Shows Unified thread and NPT

Documents and data Downloads

Product information

Limit Switch

Limit Switch

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