Safety Limit Switch

Model:EDR series
Feature
• Each model features a positive opening mechanism (NC contacts only) and equipped with a lockable head.
• Conforms to EN (TUV) standards corresponding to the CE marking.
• Positive opening operation of NC (Normally Closed) contacts conforming to IEC /EN 60947-5-1
• Double insulation makes ground terminal unnecessary (Bears marking)
• Wide standard operating temperature range: -25°C to 80°C
• Full range of actuator heads and levers suitable for safety applications
• Sealing up to IP 67
• Wide switch variations, (Snap action and slow action basic switches)
• International conduit size
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Specifications
Standards EN60947-5-1, UL508, EN50047, EN1088
Positive Opening Operation NC Contact
Utilization Category AC15 A600
Min Current 5V, 5mA, DC
Thermal Current (lth) 10A
Rated Insulation Voltage 600V AC
Rated Impulse withstand Volt 2500V AC
Insulation Resistance 100MΩ min.(DC 500V)
Contact Resistance 25mΩ max.(Initial)
Max Switching Speed 250mm/s
Max Switching Frequency 6000 operation per hour
Enclosure Material UL approved glass-filled polybutylene terephthalate
Enclosure Protection IP 67
Operating Temperature Min -25°C (-18°F) Max 80°C (+176°F)
Pollution Degree 3
Protection Against Electric Shock Class II (Double Insulation)
Mech. Life Expectancy 1 x 106 Cycles min
Electrically Life Expectancy 150,000 Cycle min
Vibration IEC 68-2-6, 10-55Hz±1 Hz, Excursion: 0.35mm, 1 octave/min
Conduit Entry Various (see Product Selection table)
Fixing 2 x M4

 

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Operating Characteristics

Item No.   |   Dimensions

Unit: mm
EDR-20 Roller Arm Type
Operating Characteristics
Type Contact Block Operating
travel (PT)
PT2nd Operating
Force (OF)
Positive Opening Total
Travel
Travel
(min)
Force
(min)
EDR-x-1-20 Slow 1NC/1NO 30 41 6.5 N 45 19.0 N 80
EDR-x-2-20 Slow 2NC 30 - 6.5 N
EDR-x-3-20 Snap 1NC/1NO 28 - 5.3 N
EDR-x-4-20 Slow 2NC/1NO 30 41 6.5 N
EDR-x-5-20 Slow 3NC 30 - 6.5 N

 


Item No.   |   Dimensions

Unit: mm
EDR-21 Adjustable Roller Arm Type (Standard arm)
Operating Characteristics
Type Contact Block Operating
travel (PT)
PT2nd Operating
Force (OF)
Positive Opening Total
Travel
Travel
(min)
Force
(min)
EDR-x-1-21 Slow 1NC/1NO 30 41 6.5 N 45 19.0 N 80
EDR-x-2-21 Slow 2NC 30 - 6.5 N
EDR-x-3-21 Snap 1NC/1NO 28 - 5.3 N
EDR-x-4-21 Slow 2NC/1NO 30 41 6.5 N
EDR-x-5-21 Slow 3NC 30 - 6.5 N

 


Item No.   |   Dimensions

Unit: mm
EDR-22 Adjustable Roller Arm Type (Long arm)
Operating Characteristics
Type Contact Block Operating
travel (PT)
PT2nd Operating
Force (OF)
Positive Opening Total
Travel
Travel
(min)
Force
(min)
EDR-x-1-22 Slow 1NC/1NO 30 41 5.2N 45 19.0 N 80
EDR-x-2-22 Slow 2NC 30 - 5.2 N
EDR-x-3-22 Snap 1NC/1NO 28 - 4.5 N
EDR-x-4-22 Slow 2NC/1NO 30 41 5.2 N
EDR-x-5-22 Slow 3NC 30 - 5.2 N

 


Item No.   |   Dimensions

Unit: mm
EDR-25 Rod Lever Type
Operating Characteristics
Type Contact Block Operating
travel (PT)
PT2nd Operating
Force (OF)
Positive Opening Total
Travel
Travel
(min)
Force
(min)
EDR-x-1-25 Slow 1NC/1NO 30 41 1.8N 45 19.0 N 80
EDR-x-2-25 Slow 2NC 30 - 1.8N
EDR-x-3-25 Snap 1NC/1NO 28 - 1.9N
EDR-x-4-25 Slow 2NC/1NO 30 41 1.8N
EDR-x-5-25 Slow 3NC 30 - 1.8N

 


Item No.   |   Dimensions

Unit: mm
EDR-27 Adjustable Roller Arm Type (Big roller)
Operating Characteristics
Type Contact Block Operating
travel (PT)
PT2nd Operating
Force (OF)
Positive Opening Total
Travel
Travel
(min)
Force
(min)
EDR-x-1-27 Slow 1NC/1NO 30 41 5.2N 45 19.0 N 80
EDR-x-2-27 Slow 2NC 30 - 5.2N
EDR-x-3-27 Snap 1NC/1NO 28 - 4.5N
EDR-x-4-27 Slow 2NC/1NO 30 41 5.2N
EDR-x-5-27 Slow 3NC 30 - 5.2N

 


Item No.   |   Dimensions

Unit: mm
EDR-31 Push Plunger Type
Operating Characteristics
Type Contact Block Operating
travel (PT)
PT2nd Operating
Force (OF)
Positive Opening Total
Travel
Travel
(min)
Force
(min)
EDR-x-1-31 Slow 1NC/1NO 2.2mm 3.0 7.26N 3.2mm 19.0 N 6.0mm
EDR-x-2-31 Slow 2NC 2.2mm - 7.42N
EDR-x-3-31 Snap 1NC/1NO 1.9mm - 6.71N
EDR-x-4-31 Slow 2NC/1NO 2.2mm 3.0 7.26N
EDR-x-5-31 Slow 3NC 2.2mm - 7.42N

 


Item No.   |   Dimensions

Unit: mm
EDR-32 Roller Plunger Type
Operating Characteristics
Type Contact Block Operating
travel (PT)
PT2nd Operating
Force (OF)
Positive Opening Total
Travel
Travel
(min)
Force
(min)
EDR-x-1-32 Slow 1NC/1NO 2.2mm 3.0 7.26N 3.2mm 19.0 N 6.0mm
EDR-x-2-32 Slow 2NC 2.2mm - 7.42N
EDR-x-3-32 Snap 1NC/1NO 1.9mm - 6.71N
EDR-x-4-32 Slow 2NC/1NO 2.2mm 3.0 7.26N
EDR-x-5-32 Slow 3NC 2.2mm - 7.42N

 


Item No.   |   Dimensions

Unit: mm
EDR-62 Roller Lever Type
Operating Characteristics
Type Contact Block Operating
travel (PT)
PT2nd Operating
Force (OF)
Positive Opening Total
Travel
Travel
(min)
Force
(min)
EDR-x-1-62 Slow 1NC/1NO 3.0mm 4.5mm 5.21N 5.7mm 19.0 N 5.2mm
EDR-x-2-62 Slow 2NC 3.0mm - 5.26N
EDR-x-3-62 Snap 1NC/1NO 2.9mm - 4.74N
EDR-x-4-62 Slow 2NC/1NO 3.0mm 4.5mm 5.21N
EDR-x-5-62 Slow 3NC 3.0mm - 5.26N

 


Item No.   |   Dimensions

Unit: mm
ED-63 One-Way Roller Arm Lever Type
Operating Characteristics
Type Contact Block Operating
travel (PT)
PT2nd Operating
Force (OF)
Positive Opening Total
Travel
Travel
(min)
Force
(min)
ED-x-1-63 Slow 1NC/1NO 4.0mm 6.0mm 6.37N 4.6mm 19.0 N 9.8mm
ED-x-2-63 Slow 2NC 4.0mm - 6.98N
ED-x-3-63 Snap 1NC/1NO 3.6mm - 5.76N
ED-x-4-63 Slow 2NC/1NO 4.0mm 6.0mm 6.37N
ED-x-5-63 Slow 3NC 4.0mm - 6.98N

 


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