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Curtis Industries O4 Terminal Block Series
Curtis Industries' O-4 terminal block series is designed for demanding applications requiring heavy-load termination flexibility. These blocks can be used for machine, switchboard, and branch circuit terminations. They are readily adaptable to special applications and can be combined with other Curtis Industries terminal block types. The series is UL recognized and CSA certified, ensuring reliable performance and safety. Available in various configurations to accommodate different wire sizes and current ratings.
Curtis Industries O4 Terminal Block Series Specifications:
- Ratings and Wire Sizes: 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 and Listing: UL recognized and CSA certified
- Terminal Bar Material (L, O, S): Nickel-plated brass
- Screw Type (L): 1/4" – 20 plated round-head steel screws
- Screw Type (O): 5/16" – 18 plated slotted hex-head steel screws
- Screw Type (S): 3/8" plated hex-head steel screws
- Wire Range (L): UL Recognized for No. 1AWG
- Wire Range (O): UL Recognized for No. 1/0AWG
- Wire Range (S): UL Recognized for No. 4/0AWG
- No. of Terminals (L): 1 thru 12
- No. of Terminals (O): 1 thru 4
- No. of Terminals (S): 1 thru 4
- Voltage Rating: 600V CSA and UL
- 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% wt. gain
- Chemical Resistance: Resistant to most organic solvents
- Breakdown Voltage (Terminal-Terminal): 11,000V Typ.
- Breakdown Voltage (Terminal-Ground): 9,700V Typ.
- Overall Dimensions (L) - Inches: 2.183 - 14.927
- Overall Dimensions (L) - Metric: 55.46 - 379.14 mm
- Overall Dimensions (O) - Inches: 2.880 - 10.687
- Overall Dimensions (O) - Metric: 73.16 - 271.44 mm
- Overall Dimensions (S) - Inches: 3.440 - 10.687
- Overall Dimensions (S) - Metric: 87.38 - 271.44 mm
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Frequently Asked Questions
Where can I buy Curtis Industries O4?
You can click on the BUY or RFQ button to purchase O4 from an authorized Curtis Industries distributor.
How do I troubleshoot issues or seek technical support for part O4?
You can download the O4 datasheet or visit the Curtis Industries website for support.
Who is the manufacturer of O4?
Curtis Industries