TZ-8122 parallel top-roller plunger Limit Switch
■ Double-circuit type of limit switch.
■ Compact new design approximately 1/3 the size of TMAZTZ vertical limit switches.
■ With strong zinc cast base, and reinforced plastics outer shell, High. Structure preventing oil, water and pressure.
■ Structure enables the terminal section to be fully opened for easy wiring.
■ Degree of protection: IP65
■ Contact Form:
Product List
Technical Parameters
TZ-8122 Parallel Top-roller Plunger Limit Switch
Ratings
| Rated voltage | Noninductive Load (A) | Inductive Load (A) | ||||||
| Resistance Load | Lamp Load | Inductive Load (A) | Motor Load | |||||
| NC | NO | NC | NO | NC | NO | NC | NO | |
| 125VAC | 5 | 5 | 1.5 | 0.7 | 3 | 3 | 2 | 1 |
| 250VAC | 5 | 5 | 1 | 0.5 | 3 | 3 | 1.5 | 0.8 |
| 8VDC | 5 | 5 | 3 | 3 | 5 | 4 | 3 | 3 |
| 14VDC | 5 | 5 | 3 | 3 | 4 | 4 | 3 | 3 |
| 30VDC | 5 | 5 | 3 | 3 | 4 | 4 | 3 | 3 |
| 125VDC | 0.4 | 0.4 | ||||||
| 250VDC | 0.2 | 0.2 | ||||||
| Inrush Current | N.C: below 24A, N.O: below 12A | |||||||
NOTE:
1. Inductive load has a power factor of 0.4 min.(AC) and a time constant of 7 msec.max.(DC).
2. Lamp load has an inrush current of 10 times the steady-state current,while motor load has an inrush current of 6 times the steady-state current.
3. Product with spring, its usable range of operating part is within one third of the whole spring length from the front end of spring.
Characteristics
| Operation speed | 0.5mm-50cm/sec |
| Operating frequency | Electical: 30 operations/minute |
| Contact resistance | 25mΩ max. (initial value) |
| Insulation resistance | 100MΩ Min. (below 500VDC) |
| Shock | Mechanical durable: 1, 000m/Sec2 (about 100G'S) Malfunction: 300m/Sec2 (about 30G'S) |
| Ambient temperature | -5~+65℃ (With no icing) |
| Humidity | <95% RH |
| Weight | About 130 to 190g |
| Degree of protection | IP65 |
| Electrical Life | Above 500000 |
Operating Characteristics
| Operating Characteristics | Model | TZ-8104 | TZ-8107 | TZ-8108 | TZ-8111 | TZ-8112 | TZ-8122 | TZ-8166 | TZ-8167 | TZ-8168 | TZ-8169 |
| Operating force | OF (Max) | 5.88N | 5.88N | 7.84N | 9.8N | 9.8N | 9.8N | 0.88N | 0.88N | 0.88N | 0.88N |
| Release force | RF (Min) | 0.49N | 0.69N | 0.49N | 2.94N | 2.94N | 2.94N | 一 | 一 | 一 | 一 |
| Pre-travel | PT (Max) | 20° | 20° | 20° | 1.5mm | 1.5mm | 1.5mm | 30mm | 30mm | 30mm | 30mm |
| Over-travel | OT (Min) | 75° | 75° | 75° | 4mm | 4mm | 4mm | 一 | 一 | 一 | 一 |
| Movement differential | MD (Max) | 10° | 10° | 10° | 1.2mm | 1.2mm | 1.2mm | 一 | 一 | 一 | 一 |
| Total travel | TT (Min) | 95° | 95° | 95° | 5.5mm | 5.5mm | 5.5mm | 一 | 一 | 一 | 一 |
| Operational position | OP | 一 | 一 | 一 | 26±0.8mm | 一 | 一 | 一 | 一 |