Commissioning Three-Phase Power Measurement Safely
A field-focused guide to commissioning three-phase power measurement: verify CT and voltage wiring, scaling, phase order, signal quality, PLC mapping, alarms, and safe maintenance before trusting...
Manufacturer: Omron
Product No.: TP70-1S3
Country of origin:Japan
Product Type: Limit Switches
Payment: T/T, Western Union
Weight: 1400g
Shipping port: Xiamen
Warranty: 12 months
Designed for rugged physical safety monitoring across processing lines and material handling corridors, the Omron TP70-1S3 delivers reliable mechanical tripping action combined with a separable emergency stop contact block. By utilizing a high-durability internal D4N-2187 microswitch, this limit assembly translates physical rod deflection into immediate control circuit interruptions. The physical design features a C-clamp base for rapid vertical alignment adjustment directly on structural framework, maintaining safe and compliant stop loops in demanding environments.
| Parameter | Value |
|---|---|
| Manufacturer | Omron |
| Model Number | TP70-1S3 |
| Built-in Switch Model | D4N-2187 |
| Functional Operation | Separable emergency-stop switch block |
| Mounting Integration | C-clamp mounting with adjustable height scale |
| Ingress Protection Rating | IP65 |
| Vibration Resistance | Malfunction: 10 to 55 Hz, 0.65 mm single amplitude, 100 m/s2 max. |
| Shock Resistance (Destruction) | 1000 m/s2 max. |
| Shock Resistance (Malfunction) | 20 m/s2 max. |
| Ambient Operating Temperature | -10 to 70 degC (non-freezing) |
| Ambient Operating Humidity | 35% to 95% RH |
| Allowable Operating Speed | 1 mm/s to 0.5 m/s |
| Mechanical Operating Frequency | 60 operations/minute max. |
| Electrical Operating Frequency | 30 operations/minute max. (resistive load) |
| Termination Connection | Screw terminals |
| Device Net Weight | 1.4 kg |
| Shipping Weight | 3.0 kg |
Since the assembly relies on the standard D4N-2187 core switch, physical maintenance and replacement of internal contacts can be done without modifying the external structural C-clamp or heavy mounting frame. This modular design dramatically decreases plant downtime during scheduled electrical overhauls.
Avoid using the flexible rod actuator as an hard mechanical stop for heavy machinery. Exceeding the allowable physical operating speed limit of 0.5 m/s or subjecting the rod to direct high-velocity side impacts can result in deformation of the spring structure or early contact degradation. Verify that the ambient operating environment does not drop below -10 degC to avoid icing on the external mechanical linkages.
When completing screw terminal terminations, ensure correct sealing glands are used to maintain the overall IP65 housing protection. Securely tighten the C-clamp adjustment bolts during field commissioning to ensure mechanical vibrations (up to the rated 100 m/s2 limit) do not cause vertical shifting on the support pole.
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Returns & Warranty
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| Country of origin |
Japan
|