JRS1DSP Thermal Overload Relay | Adjustable Motor Protection Relay 0.63A–630A | IEC 60947-2 Thermal Relay
The Delixi JRS1DSP Thermal Overload Relay Series is designed to provide dependable overload and phase failure protection for electric motors and industrial electrical systems. Engineered to prevent motor damage caused by excessive current conditions, the JRS1DSP series improves equipment safety, operational stability, and system reliability.
Manufactured according to IEC 60947-2 international standards, these thermal overload relays are suitable for integration with magnetic contactors and motor starters across industrial, commercial, and automation environments.
The JRS1DSP series offers a wide adjustable current setting range from 0.63A up to 630A, making it ideal for protecting motors of different capacities across multiple industrial applications.
Its adjustable thermal protection mechanism ensures accurate overload detection while helping extend motor lifespan and reducing maintenance downtime.
Key Features
✔ Adjustable thermal overload protection
✔ Protects motors against overload conditions
✔ Phase failure protection capability
✔ Wide current setting range from 0.63A to 630A
✔ Suitable for motor starter and contactor applications
✔ IEC 60947-2 compliant design
✔ Adjustable current settings for application flexibility
✔ High reliability industrial protection system
✔ Helps reduce motor damage and maintenance costs
✔ Stable performance in industrial environments
✔ Multiple frame sizes for different power requirements
✔ Compact and durable construction
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Series | JRS1DSP |
| Product Type | Thermal Overload Relay |
| Protection Type | Thermal Overload Protection |
| Setting Current Range | 0.63A – 630A |
| Frame Rating Currents | 25A, 38A, 93A, 185A, 680A |
| Standard | IEC 60947-2 |
| Application | Motor Protection |
Available Protection Ranges
DSP-25 Series
-
0.63–1A
-
1–1.6A
-
1.6–2.5A
-
2.5–4A
-
4–6A
-
5.5–8A
-
7–10A
-
9–13A
-
12–18A
-
17–25A
DSP-38 Series
-
23–32A
-
30–40A
DSP-93 Series
-
37–50A
-
48–65A
-
55–70A
-
63–80A
-
80–93A
DSP-185 Series
-
48–65A
-
55–70A
-
63–80A
-
75–95A
-
90–115A
-
105–135A
-
120–150A
-
130–160A
-
150–185A
DSP-630 / DSP-631 / DSP-632 / DSP-633 Series
-
145–200A
-
180–250A
-
230–320A
-
290–400A
-
350–480A
-
460–630A
Applications
-
Industrial motor protection systems
-
Motor starters and control panels
-
HVAC systems
-
Manufacturing plants
-
Pump control systems
-
Conveyor systems
-
Electrical automation panels
-
Industrial machinery protection
-
Commercial electrical systems
-
Power distribution applications
The Delixi JRS1DSP Thermal Overload Relay Series delivers precise overload protection, dependable motor safety, and long-term reliability for modern industrial electrical installations.
