Mersen OTM20 Midget Fast-Acting Fuse 250VAC 20A Ferrule Terminal Amp-Trap Protection
Professional Fast-Acting Circuit Protection for Critical Applications
The Mersen OTM20 Midget Fast-Acting Fuse delivers reliable 20A circuit protection at 250VAC with professional-grade Amp-Trap technology. Featuring tin-plated copper ferrule terminals and paper body insulation, this midget-class fuse provides 10 kA breaking capacity for demanding electrical applications requiring fast-acting overcurrent protection.
Professional Features & Benefits
- 20A Current Rating: Provides precise overcurrent protection for circuits up to 20 amperes, ensuring reliable operation within safe parameters.
- 250VAC Voltage Rating: Designed for standard commercial and industrial voltage applications with proven performance reliability.
- Fast-Acting Response: Rapid fault clearing minimizes equipment damage and reduces downtime in critical electrical systems.
- 10 kA Breaking Capacity: High interrupting rating handles substantial fault currents safely, providing robust protection in demanding environments.
- Ferrule Terminal Design: Tin-plated copper terminals ensure secure connections and excellent conductivity for long-term reliability.
- Midget Class Construction: Compact 1.5-inch length fits standard midget fuse holders while delivering full protection capability.
- RoHS Compliant: Meets environmental standards for responsible electrical component manufacturing and installation.
Technical Specifications
- Ac Max I R Breaking Capacity I1: 10 kA
- Ac Or Dc: AC
- Ampere Rating: 20 A
- Body Insulating Material: Paper
- Connection Terminal Material: Tin-Plated Copper
- Connection Terminal Type: Ferrule
- Frequency Hz : 50/60 Hz
- Fuse Class: Midget
- Mounting Method: Clip
- Product Length: 1.5 in
- Product Weight: 0.012 lb
- Rated Voltage Ac Ul: 250 V
- Rohs Compliant: Yes
- Speed Characteristic: Fast-Acting
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
- Commercial Building Electrical Panels
- Industrial Control Circuits
- Motor Control Centers
- HVAC System Protection
- Lighting Circuit Protection
- Equipment Branch Circuits
- Electrical Distribution Systems
Why Choose Mersen Quality?
Mersen delivers proven electrical protection solutions with RoHS compliant manufacturing and professional-grade construction. The tin-plated copper terminals and paper body insulation provide long-term reliability, while the compact midget class design ensures versatile installation compatibility across diverse electrical applications.
Manufacturer Resources
Product Specs
- Ac Max I R Breaking Capacity I1:
- 10 kA
- Ac Or Dc:
- AC
- Ampere Rating:
- 20 A
- Body Insulating Material:
- Paper
- Connection Terminal Material:
- Tin-Plated Copper
- Connection Terminal Type:
- Ferrule
- Frequency Hz :
- 50/60 Hz
- Fuse Class:
- Midget
- Mounting Method:
- Clip
- Product Length:
- 1.5 in
- Product Weight:
- 0.012 lb
- Rated Voltage Ac Ul:
- 250 V
- Rohs Compliant:
- Yes
- Speed Characteristic:
- Fast-Acting