Mersen Open-Style Power Distribution Block 1000V 620A/760A 3-Pole UL 1953 Certified

Mersen Open-Style Power Distribution Block 1000V 620A/760A 3-Pole UL 1953 Certified

Professional Power Distribution for High-Current Electrical Applications

The Mersen open-style power distribution block delivers reliable power distribution with dual amperage ratings of 620A for aluminum and 760A for copper conductors at 1000V AC/DC. This UL 1953 certified 3-pole distribution block features tin-plated aluminum connectors and glass-filled polycarbonate insulation for professional electrical installations requiring robust power management and distribution capabilities.

Professional Features & Benefits

• Dual Amperage Rating: 620A aluminum/760A copper capacity provides flexible conductor options for diverse installation requirements
• 1000V AC/DC Rating: High voltage capability supports demanding commercial and industrial power distribution applications
• UL 1953 Certification: Meets rigorous safety standards ensuring reliable performance and code compliance
• Tin-plated Aluminum Connectors: Corrosion-resistant connections maintain long-term electrical integrity and performance
• Glass-Filled Polycarbonate Body: Superior insulating material provides excellent electrical isolation and mechanical durability
• 3-Pole Configuration: Accommodates three-phase power systems with multiple connection points per pole
• 100 kA Short Circuit Rating: Exceptional fault current protection when used with appropriate fuse classes

Technical Specifications

• Ac Or Dc: AC/DC
• Ampere Rating Al: 620 A
• Ampere Rating Cu: 760 A
• Body Insulating Material: Glass Filled Polycarbonate
• Connector Material: Tin-plated Aluminum
• Connector Type Primary: Box
• Connector Type Secondary: Box
• Frequency Hz: 50/60 Hz
• Hex Screw Size Type Primary: 13/16-16 x 1.06
• Hex Screw Size Type Secondary: 1/2-20 x .75
• Hole Diameter Primary: 0.88 in
• Hole Diameter Secondary: 0.56 in
• Installation Mounting: Direct Screw Mount
• Number Of Openings Per Pole Primary: 2
• Number Of Openings Per Pole Secondary: 4
• Number Of Poles: 3-Pole
• Product Height: 3.55 in
• Product Length: 5.7 in
• Product Weight: 5.4 lb
• Product Width: 7.89 in
• Rated Voltage Ac Ul: 1000 V
• Rated Voltage Dc Ul: 1000 V
• Rohs Compliant: Yes
• Short Circuit Rating Class Cc: 100 kA with 30A Fuse
• Short Circuit Rating Class G: 100 kA with 60A Fuse
• Short Circuit Rating Class J: 100 kA with 600A Fuse
• Short Circuit Rating Class L: 100 kA with 800A Fuse
• Short Circuit Rating Class Rk1: 100 kA with 600A Fuse
• Short Circuit Rating Class Rk5: 100 kA with 600A Fuse
• Short Circuit Rating Class T: 100 kA with 800A Fuse
• Short Circuit Rating Standalone: 10 kA
• Torque Rating Primary: 500-#4 500
• Torque Rating Secondary: 4/0-#3 150; #4 100; #6 80
• Wire Range Primary: 500-#4
• Wire Range Secondary: 4/0-#6

Installation & Operation

1. Mount the unit in a suitable location with appropriate clearance and access for connections and service.
2. Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
3. Wire generator or power input according to the provided voltage/phase specifications and compatible capacity.
4. Configure any available load management or control features as supported by the provided specifications.
5. Test automatic transfer or operational functionality and verify proper performance before placing into service.
6. Complete final inspection and follow ongoing maintenance practices appropriate to the product category.

Professional Applications

• Commercial Power Distribution Systems
• Industrial Electrical Panels
• Multi-Unit Residential Properties
• Manufacturing Facilities
• Data Centers and Server Rooms
• Healthcare Facilities
• Educational Institutions

Why Choose Mersen Quality?

Mersen power distribution blocks combine UL 1953 certification with RoHS compliance, ensuring both safety and environmental responsibility. The robust glass-filled polycarbonate construction and tin-plated aluminum connectors deliver long-term reliability in demanding electrical environments, backed by comprehensive short circuit ratings up to 100 kA with appropriate fuse protection.