รีเลย์และลิมิตสวิตช์ต่างๆ
Relay and Limit Switch
รุ่น DL (AZD1)
คุณลักษณะ
ลิมิตสวิทช์ Limit Switches สำหรับใช้ในงานอุตสาหกรรม ลิมิตสวิทช์แนวตั้ง ขนาดเล็กกระทัดรัด Roller Arm Type ต่อใช้งานง่าย เพราะเป็นฝาครอบแบบพับ ระดับการป้องกันผุ่น และน้ำ IP67 อุณหภูมิ -30+80C
คุณสมบัติ
Load | Resistive load (COSϕ = 1) | Inductive load (COSϕ = 0.1) | |
---|---|---|---|
AC | 125V | 6A | 6A |
250V | 6A | 6A | |
380V | 6A | 3A | |
DC | 24V | 5A | 2.5A |
60V | 1.5A | 1.5A | |
220V | 0.3A | 0.3A |
Note : When DC voltage is applied, the time constant is (T=) 0ms for resistive load, (T=) 100ms or less for inductive load.
Characteristics | ||
---|---|---|
Contact arrangement | 1 Form A 1 Form B | |
Initial contact resistance, max. | 25mΩ (By voltage drop of 5 to 5 VDC 1A) | |
Contact material | AgCdO | |
Initial insulation resistance (At 500VDC) |
Min. 100MΩ | |
Initial breakdown voltage |
1,000Vrms for 1 min Between non-consecutive terminals |
|
Shock resistance | Functional | Max 294 m/s2 (equivalent 30G) (note 1) |
Destuctive | Max 980 m/s2 (equivalent 100G) | |
Vibration resistance | 10 to 55Hz, double amplitude of 1.5mm | |
Expected life (min. operations) |
Mechanical | 107 (at 120 cpm) |
Electrical | 1.5 x 105 (at 20 cpm, 6A 380VAC resistive load) | |
Ambient temperature | -30 to 80°C (-22 to 176°F) (but not in a frozen environment) | |
Ambient humidity | Max 95%RH (without dew at 40°C (104°F)) | |
Max operating speed | 120 cpm |
Note : The rating, chaeacteristics and operating characteristics are based are on the bassic mpdel.
Note 1 : This value applies when the arm length of the adjustable roller arm (50 dia. rubber roller) is 70 mm or less
EN60947-5-1 performance
Item | Rating |
---|---|
Rated insulation voltage (Ui) | 250VAC |
Rated impulse withstand voltage (Uimp) | 2.5kV |
Switching overvoltage | 2.5kV |
Rated enclosed thermal current (Ithe) | 6A |
Conditional short-circuit current | 100A |
Short-circuit protection device | 10A Fuse |
Protective construction | IP67 (Note 1) |
Pollution degree | 2 |
Note 1 : Adjustable roller arm (50 dia. rubber roller) type is IP65.
Operating characteristics
Characteristics | O.F. (N{gf}) max | R.F. (N{gf})min | Pretravel(PT) max mm inch | Movement diferential (MD) max mm inch | Overtravel (OT) min mm inch | Operating Position (OP) mm inch |
---|---|---|---|---|---|---|
Push plunger | 6.37 {650} | 1.47{150} | 2 .079 | 1.2 .047 | 4 .157 | 18±0.5 .708±020 |
Roller plunger | 6.37 {650} | 1.47{150} | 2 .079 | 1.2 .047 | 4 .157 | 28±1 1.102±03 |
Roller arm | 4.90{500} | 0.49{50} | 20° to 26° | 14° | 30° | - |
Roller level | 3.92{400} | 0.78{80} | 4 .157 | 1.6 .063 | 5 .197 | - |
Adjustable roller arm (Note) | 4.90{500} | 0.49{50} | 20° to 26° | 14° | 30° | - |
Adjustable roller arm (50 dia. rubber roller) | 4.17 {425} | 0.42 {43} | 20° to 26° | 14° | 30° | - |
Adjustable rod (2.6 dia) | 4.90{500} | 0.49(50) | 20° to 26° | 14° | 30° | - |
Roller level (vartical action) | 4.41 {450} | 0.88{90} | 4 .157 | 1.7 .067 | 5 .197 | 27±0.8 1.063±031 |
Note
- The above values of adjustable roller arm shows the values when roller length is set at 26mm same as roller type.
- The value of adjustable roller arm (50 dia. rubber roller) type shows the value when roller length is set at 32 mm.
- The value of adjustable rod (2.6 dia.) type shows the value when length of rod is set at 26 mm same as the roller arm type.
Protective characteristics
Protective construction | DL mini limit switches |
---|---|
IEC | |
IP60 | ○ |
IP64 | ○ |
IP67 | ○(Note 1) |
Note 1 : The value for protective function characteristics is the initially set value. Also adjustable roller arm (50 dia. rubber roller) type is IP65
The switches are compatible with DIN EN50047.