Mersen Class RK5 Time-Delay Fuse 150A 250VAC/250VDC Blade Terminal Tri-Onic
Professional Time-Delay Protection for Critical Electrical Systems
The Mersen Class RK5 Time-Delay Fuse delivers reliable overcurrent protection with 150A capacity at 250VAC/250VDC ratings. Featuring blade terminal connections and Tri-Onic construction, this time-delay fuse provides superior protection for motor circuits and other applications requiring delayed response to temporary overloads while maintaining fast response to short circuits.
Professional Features & Benefits
- 150A Current Rating: Handles substantial electrical loads with reliable overcurrent protection for demanding applications.
- Class RK5 Design: Provides current-limiting protection with high interrupting capacity for enhanced system safety.
- Time-Delay Characteristic: Allows temporary overloads while providing fast protection against short circuits and sustained overcurrent conditions.
- 200 kA Breaking Capacity: Delivers exceptional fault current interruption capability for robust electrical system protection.
- Dual Voltage Rating: Compatible with both 250VAC and 250VDC systems for versatile installation flexibility.
- Blade Terminal Design: Ensures secure connections with tin-plated copper terminals for reliable electrical contact.
- RoHS Compliant: Meets environmental standards for responsible electrical component selection.
Technical Specifications
- Ac Max I R Breaking Capacity I1: 200 kA
- Ac Or Dc: AC/DC
- Ampere Rating: 150 A
- Body Insulating Material: PolyTube
- Connection Terminal Material: Tin-Plated Copper
- Connection Terminal Type: Blade
- Frequency Hz : 50/60 Hz
- Fuse Class: Class RK5
- Mounting Method: Clip
- Product Length: 7.13 in
- Product Weight: 0.752 lb
- Rated Voltage Ac Ul: 250 V
- Rated Voltage Dc Ul: 250 V
- Rohs Compliant: Yes
- Speed Characteristic: Time Delay
Installation & Operation
- Mount the unit in a suitable location with appropriate clearance and access for connections and service.
- Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
- Wire generator or power input according to the provided voltage/phase specifications and compatible capacity.
- Configure any available load management or control features as supported by the provided specifications.
- Test automatic transfer or operational functionality and verify proper performance before placing into service.
- Complete final inspection and follow ongoing maintenance practices appropriate to the product category.
Professional Applications
- Motor Control Centers and Starter Panels
- Industrial Equipment Protection
- Commercial HVAC Systems
- Power Distribution Panels
- Manufacturing Equipment
- Process Control Systems
- Emergency Power Systems
Why Choose Mersen Quality?
Mersen fuses deliver proven reliability with RoHS compliant construction and professional-grade materials including PolyTube insulation and tin-plated copper terminals. The 200 kA breaking capacity and dual voltage rating ensure dependable protection across diverse electrical applications.
Manufacturer Resources
Product Specs
- Ac Max I R Breaking Capacity I1:
- 200 kA
- Ac Or Dc:
- AC/DC
- Ampere Rating:
- 150 A
- Body Insulating Material:
- PolyTube
- Connection Terminal Material:
- Tin-Plated Copper
- Connection Terminal Type:
- Blade
- Frequency Hz :
- 50/60 Hz
- Fuse Class:
- Class RK5
- Mounting Method:
- Clip
- Product Length:
- 7.13 in
- Product Weight:
- 0.752 lb
- Rated Voltage Ac Ul:
- 250 V
- Rated Voltage Dc Ul:
- 250 V
- Rohs Compliant:
- Yes
- Speed Characteristic:
- Time Delay