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Allen-Bradley 1790-T0A8X CompactBlock LDX 8-Point 120V AC Output Expansion Block – Technical Specifications and FAQ
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Allen-Bradley / Rockwell Automation |
| Model | 1790-T0A8X |
| Product Name | CompactBlock LDX 120V AC Output Expansion Block |
| Product Family | CompactBlock LDX |
| Product Type | Digital AC Output Expansion Module |
| Communication | DeviceNet |
| Number of Outputs | 8 points |
| Output Type | AC solid-state output |
| Rated Field Supply | 110V AC, 60Hz |
| Load Voltage Range | 15–132V AC RMS |
| Maximum Load Current | 0.5A RMS per point |
| Minimum Load Current | 10mA RMS |
| Maximum OFF-State Leakage | 1.0mA RMS at 100V AC, 60Hz |
| Maximum ON-State Voltage Drop | 1.3V RMS at maximum load |
| Maximum Operating Time | 1ms |
| Maximum Release Time | 1/2 cycle + 1ms |
| Output Configuration | 8 points / 8 commons |
| Isolation | Photocoupler isolation between I/O and logic |
| Isolation Voltage | 1250V AC RMS |
| Dielectric Strength | 2500V RMS for 1 minute |
| Insulation Resistance | Minimum 1,000MΩ |
| Power Dissipation | 5.2W at rated current |
| Wiring Connection | Screw-clamp terminal block |
| Terminal Type | M3.0 screw terminals |
| Maximum Screw Torque | 7 lb-in (0.79 N·m) |
| Product Dimensions | 104 × 42 × 52 mm (L × W × H; supplier-listed) |
| Packing Dimensions | Approx. 150 × 120 × 100 mm (estimated) |
| Net Weight | Approx. 0.10 kg (supplier-listed) |
| Gross Weight | Approx. 0.30 kg (estimated) |
| Country of Origin | USA |
| UPC | 612598283712 |
| Lifecycle Status | Discontinued December 31, 2024 |
FAQ
FAQ
Q1: What is the Allen-Bradley 1790-T0A8X?
A: It is a CompactBlock LDX digital output expansion module providing eight 120V AC output channels for industrial automation applications.
Q2: How many output channels does this module provide?
A: It provides 8 non-isolated AC output channels, with 8 separate common connections.
Q3: What is the operating voltage range?
A: The supported load voltage range is 15–132V AC RMS. The nominal external field supply is 110V AC at 60Hz.
Q4: What is the maximum output current?
A: Each output channel supports a maximum load current of 0.5A RMS. The minimum load current is 10mA RMS.
Q5: What type of loads can the 1790-T0A8X control?
A: It can switch compatible AC loads such as indicator lamps, relays and other industrial control devices within its electrical ratings.
Q6: What type of wiring connection does this module use?
A: It uses an M3.0 screw-clamp terminal block. The maximum recommended screw torque is 7 lb-in.
Q7: What are the dimensions and weight of the 1790-T0A8X?
A: The approximate product dimensions are 104 × 42 × 52 mm, and the net weight is approximately 0.10 kg. Estimated packing dimensions are 150 × 120 × 100 mm, with an estimated gross weight of 0.30 kg.
Q8: What is the country of origin and lifecycle status?
A: The official manufacturer listing identifies South Korea as the country of origin. The product was discontinued on December 31, 2024.
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Packing & Delivery
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