The Curtis Industries L-4-W/COVER/ASSEMBLED terminal block is engineered for robust performance in machine, switchboard, and other heavy-load environments. Its design allows for flexibility in termination and can be adapted for branch circuit applications. Constructed with nickel-plated brass terminals and utilizing steel screws, this terminal block is recognized by UL for wire up to No. 1AWG and CSA certified. Available with optional covers for enhanced protection, it provides a reliable solution for power distribution needs in industrial settings.
Ratings: Type L: 100A/600V, UL recognized for wire up to No. 1AWG; Type O: 125A/600V, UL recognized for wire up to No. 1/0AWG; Type S: 225A/600V, UL recognized for wire up to No. 4/0AWG
Recognition: UL recognized and CSA certified
Terminal L: Nickel-plated brass, 1/4" – 20 screws, up to No. 1AWG
Terminal O: Nickel-plated brass, 5/16" – 18 screws, up to No. 1/0AWG
Terminal S: Nickel-plated brass, 3/8" screws, up to No. 4/0AWG
Voltage Rating: 600V
Tightening Torque L: 50 in.-lb.
Tightening Torque O: 50 in.-lb.
Tightening Torque S: 200 in.-lb.
Current Rating L: 100A
Current Rating O: 125A
Current Rating S: 225A
Housing Material: Phenolic
Continuous Use Temp: 150°C (302°F)
Flammability Rating: 94V-1
Water Absorption: 0.5% (24 hrs)
Chemical Resistance: Resistant to most organic solvents
Breakdown Voltage Terminal-Terminal: 11,000V Typ.
Breakdown Voltage Terminal-Ground: 9,700V Typ.
Number of Terminals L: 1 thru 12
Number of Terminals O: 1 thru 4
Number of Terminals S: 1 thru 4
Cover Material: 1/16" thick bakelite
Cover Part No L: 268A158
Cover Part No O: 268A159
Cover Part No S: 268A160
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Frequently Asked Questions
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