EMAS JA25L thermal relay from the JA Series, designed for motor overload and phase failure protection with a 3.60 to 5.40 A calibration interval, 25 A current rating and IP20 protection degree.
£35.52
The EMAS JA25L is a reliable thermal overload relay designed for protecting electric motors and industrial control circuits against overload and phase failure conditions. Featuring an adjustable thermal current calibration range of 3.60A to 5.40A, the JA25L provides accurate motor protection for demanding automation and electrical panel applications.
Part of the EMAS JA Series, the JA25L thermal relay is suitable for single-phase and three-phase motor protection systems. It offers manual or automatic reset functionality and is manufactured according to TS EN 60947-4-1 standards for low-voltage switchgear and controlgear applications.
| Specification | Value |
|---|---|
| Brand | EMAS |
| Product Code | JA25L |
| Product Type | Thermal Relay |
| Current Calibration Range | 3.60-5.40A |
| Rated Thermal Current (Ie) | 25A |
| Frequency | 50-60Hz |
| Usage Category | AC-3 |
| Insulation Voltage (Ui) | 690V AC |
| Impulse Withstand Voltage (Uimp) | 6kV |
| Dielectric Strength | 1890V AC |
| Isolation Resistance | 10 MΩ (500V DC) |
| Operating Temperature | -5°C to +40°C |
| Pollution Degree | 3 |
| Protection Degree | IP20 |
| Contact Material | AgNi |
| Cable Section | 1.5-2.5mm² |
| Screw Torque | 1.8Nm |
| Mechanical Life | 100,000 operations minimum |
| Electrical Life | 100,000 operations minimum |
| Short Circuit Breaking Capacity (Ics) | 50kA |
| Standard | TS EN 60947-4-1 |
The EMAS JA25L thermal relay is ideal for motor starters, electrical control panels, automation systems, pumps, fans, conveyors, machinery and industrial equipment requiring dependable overload protection.
The EMAS JA25L has an adjustable thermal current calibration range of 3.60A to 5.40A.
The JA25L provides protection against motor overload conditions and phase failure for single-phase and three-phase applications.
Yes, the EMAS JA25L supports both manual and automatic reset modes for flexible industrial operation.
The EMAS JA25L complies with TS EN 60947-4-1 standards for low-voltage switchgear and controlgear equipment.
{ "@context": "https://schema.org", "@type": "Product", "name": "EMAS JA25L Thermal Relay 3.60-5.40A", "brand": { "@type": "Brand", "name": "EMAS" }, "sku": "JA25L", "description": "Thermal overload relay with adjustable 3.60-5.40A current range, overload protection and phase failure protection for industrial motor control applications.", "category": "Thermal Overload Relay", "additionalProperty": [ { "@type": "PropertyValue", "name": "Rated Thermal Current", "value": "25A" }, { "@type": "PropertyValue", "name": "Current Adjustment Range", "value": "3.60-5.40A" }, { "@type": "PropertyValue", "name": "Usage Category", "value": "AC-3" } ] } { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "What is the current adjustment range of EMAS JA25L?", "acceptedAnswer": { "@type": "Answer", "text": "The EMAS JA25L provides an adjustable thermal current range of 3.60A to 5.40A." } }, { "@type": "Question", "name": "What protection does EMAS JA25L provide?", "acceptedAnswer": { "@type": "Answer", "text": "The JA25L provides overload protection and phase failure protection for industrial motor control applications." } } ] }| Current | 25 A |
|---|---|
| Phase | Single Phase |
| Series | JA Series |
| Product type | Thermal relay |
| Current rating | 25 A |
| Thermic current calibration interval | 3.60-5.40 A |
| Operational frequency | 50 / 60 Hz |
| Usage category | AC-3 |
| Mechanical life | 100,000 operations minimum |
| Electrical life | 100,000 operations minimum |
| Operating frequency | 600 mechanical / 600 electrical operations per hour |
| Insulation voltage | 690 V AC |
| Impulse withstand voltage | 6 kV |
| Dielectric strength | 1890 V AC |
| Isolation resistance | 10 MΩ at 500 V DC |
| Operating temperature | -5°C to +40°C |
| Pollution degree | 3 |
| Protection degree | IP20 |
| Contact material | AgNi |
| Cable section | 1.5-2.5 mm² |
| Screw torque | 1.8 Nm |
| Short circuit breaking capacity | 50 kA |
| Standard | TS EN 60947-4-1 |
● Service Agreements
Credit Accounts
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
● frequently asked questions
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
● latest blog
LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...