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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• 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
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 |
> Product Selection
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 | ||||
Certification
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