PS- SERIES

Essen deinki’s PS-Series precision limit switches are the real deal. You can choose from Single Pole (1NO + 1NC) or Double Pole (2NO + 2NC) configurations, giving you control flexibility. These switches mean business with their quick break-before-make action, ensuring precision in your operations. They’re built to last, with a mechanical life of at least 10 million operations. Plus, they’ve got fine silver contacts that work smoothly and provide high contact pressure, perfect for dry circuit applications.

Their tough thermoplastic enclosure, rated semi-dustproof (IP-10), can handle the heat and resist arcs. And when it comes to electrical strength, they’re no slouch, standing tall at 1000V AC for 1 minute between non-continuous terminals and 1500V AC for 1 minute between terminals and the body (ground). When precision and durability matter, Essen deinki’s PS-Series has you covered.

Characteristics

Precision Limit Switch

Series PS

Snap Action Precision Limit Switches (Series PS) from Essen are heavy duty switches for use in high reliability applications. These switches have an estimated mechanical Life of 10 million operation and provide accurate repeatability of electrical and mechanical operating characteristics. Several actuator options with Single Pole (INO + INC)or Double Pole(2NO+2NC)contact arrangements, provide a large selection range for the user to choose from. This series is intended for cost effective applications in industry like material handling equipment, conveyors, machine tools, food processing among many other.

Types of actuators

Plain Plunger Actuators 
Actuators are designed for one hole mounting. These operations are designed for an in-line actuating motion with controlled over-travel.

Roller Plunger Actuators

Actuators are designed for one hole mounting. The roller plunger in line woth the length of the limit switch or at right angle to it. This allows roller to accept cam or slide from any of the four directions.

Six Inch (150mm) Plain Lever Actuator
Actuators are provided either top and right hand mounting or top and left hand mounting. The lever may be cut or bent to any desired length and shape by the user to satisfy unusual requirements.
Roller Lever Actuator
Actuators are provided either top and right hand mounting or top and left hand mounting. The levers are equipped with a steel roller which may be actuated by a cam or some similar actuating device. Operation is provided in both directions.

Electrical Ratings

✓ Utilisation category       : AC 15 (B600) & DC 13 (Q300) as per IEC 947-5-1
✓ Thermal Current (Ith)   :15A for single pole (1NO + 1NC). 10A for double pole (2NO + 2NC)
✓ Insulation voltage (Ui)   : 600V AC

Operational current and voltage:-

AC 15 RATING (B600)

Voltage

Single Pole (1NO + 1NC)

Voltage

Double Pole (2NO + 2NC)

120V

6.0A

120V

3.0A

240V

3.0A

240V

1.5A

480V

1.5A

480V

0.8A

600V

1.2A

600V

0.6A

DC 13 RATING

Voltage Single Pole (INO + INO) Voltage Double Pole (2NO + 2NO)
Single Throw
Double Throw
Single Throw
Double Throw
120V
0.5A
0.25A
115V
1.0A
0.2V
240V
0.25A
0.1A
230V
0.3A
0.1A
600V
0.05A
-------
600V
0.1A

Mechanical Life  :  20 X 10 Operations without Actuator

                                      : 10 X 10 Operations with Actuator

Electrical Life : 5,00,000 operation (min) at 5A, 250V AC resistive load.

Frequency of Operation : 2500 Operations per hour (Max)

Terminal Capacity : 2.5 mm2 Solid or Stranded conductors

Operating Force : 595 gm (Max), 387 gm (Min.)

Pretravel (PT) : 1.73 -2.36 mm

Over Travel : 1.57 mm

Movement Differential : 1.27 mm

Operating Position : 5.05 mm (Max)

Operating Temperature : – 10°C to 70°C

Ordering Code
Description
ESSEN PART NO
SINGLE POLE 1NO + 1NC
DOUBLE POLE 2NO + 2NC
Basic Switch without Actuator
PS 1
PS 2
Plunger Type, Panel Mounting
PS 1TPB
PS 2TPB
Roller Plunger in Line to contact block, Panel Mounting
PS1TPRA
PS2TPRA
Roller Plunger at Right Angle to contact block, Panel Mounting
PS1TPRB
PS2TPRB
6" Lever (Right Hand Mounting)
PS1SILR
PS2SILR
6" Lever (Left Hand Mounting)
PS1SILL
PS1SILL
Roller Lever (Right Hand Mounting)
PS1RLR
PS2RLR
Roller Lever (Left Hand Mounting)
PSIRLL
PS2RLL
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