| Attribute | Value |
|---|---|
| Manufacturer | Crompton Instruments |
| Company | Crompton Messinstrumente GmbH |
| Type | Protector |
| Model No. | 253-PAPW |
| Monitored Input | 5 Amps AC |
| Frequency | 50/60 Hertz |
| A.N.S.I. Device No. | 51 |
| Relay on Trip | Energize (STD) |
| Contact Rating | 5A 250V 50/60Hz & 24V DC |
| Auxiliary | 110V 50/60Hz |
| Terminals | L/N |
| Part Number | 253-PAPW-LSBX-C7-Z7-D1-EA |
| Serial Number | 522676 11 96568 6 U09 |
| Difference | 1% (Standard) |
| Weight | 465 gm |
What is the Crompton 253-PAPW Protector Relay?
The Crompton 253-PAPW is an advanced protective relay that monitors various electrical parameters to safeguard industrial and commercial power systems. It is used to detect irregularities such as voltage fluctuations, phase loss, or imbalance and triggers a response to prevent electrical damage.
This relay is widely used in power distribution systems, automation setups, and large electrical installations, making it a crucial component in modern electrical engineering.
Key Features of Crompton 253-PAPW Relay
✅ Multi-Function Protection
The relay continuously monitors phase voltages and ensures that the system remains stable. It provides protection against:
- Overvoltage
- Undervoltage
- Phase loss
- Phase sequence errors
✅ High Accuracy & Reliability
Crompton is a high-precision electrical component manufacturer. The 253-PAPW protector relay offers accurate readings in the event of faults, allowing for early fault detection.
✅ LED Indications for Fast Diagnosis
This relay has built-in LED indications that offer immediate status updates for easy diagnosis by technicians.
✅ Adjustable Settings
The users can fine-tune the settings of the relay to suit particular system requirements and thus be very flexible across many applications.
✅ Compact & Durable Design
This is a long-life relay with an industrial-grade design that can tolerate the toughest industrial conditions.
✅ Easy Installation & Maintenance
The 253-PAPW relay is very easy to set up. Therefore, it is easy to incorporate into any system without much effort.
How Does the Crompton 253-PAPW Protector Relay Work?
The Crompton 253-PAPW operates continuously monitoring the three-phase electrical supply. This mechanism triggers a protection mechanism such as circuit disconnection or an alarm if any parameter goes beyond safety limits.
Example:
When the voltage falls below a set limit, the relay cuts off the supply to prevent motor burnout.
In case of phase failure, it quickly detects the anomaly and isolates the defective section.
The built-in LED indicators help the operator to get an exact fault condition and hence reduce trouble-shooting time.
Applications of Crompton 253-PAPW Protector Relay
In several applications, such as:
Industrial Machinery Protection – Protects heavy machinery from uneventful faults due to voltage.
Power Distribution Panels – Adds a redundant safety while handling electrical panels, which decreases damage.
Pumps & Motors – Prevents motor burnouts by detecting phase failures or imbalances.
Renewable Energy Systems – Helps in regulating voltage fluctuations in solar and wind power setups.
