Description
The ABB OT16F3P Front Operated Non-Fusible Open Disconnect Switch is a compact, three-pole disconnect switch designed for industrial power distribution, motor control, and electrical isolation applications. Rated at 20 A and 600 V AC, it supports three-phase motor applications up to 10 hp at applicable voltages and provides a means of manually disconnecting electrical circuits.
Part of ABB’s OT Series, the OT16F3P features a modular design with surface mounting, screw terminals, and a compact footprint for integration into industrial control panels. Its finger-proof, dead-front construction and terminal shrouds help reduce the risk of accidental contact with live electrical components. The switch also features a quick-make, quick-break operating mechanism, welded contact protection, and clear position indication for dependable switching.
When fitted with compatible operating accessories, the switch can support door interlocking to prevent the enclosure from opening while the switch is in the ON position. The handle can also be padlocked in the OFF position with up to three padlocks, helping support maintenance and lockout procedures. Incoming power can be connected from either the top or bottom, providing installation flexibility.
Key Features
- 20 A Current Rating: Designed for industrial electrical distribution, motor control, and isolation applications.
- 600 V AC Rated Voltage: Suitable for electrical systems operating within the manufacturer’s specified ratings.
- Three-Pole Configuration: Provides switching and isolation for compatible three-phase electrical circuits.
- 10 hp Motor Rating: Supports three-phase motor applications up to 10 hp at applicable voltages.
- Non-Fusible Design: Provides circuit disconnection without integrated fuse holders.
- Finger-Proof Construction: Dead-front construction and compatible terminal shrouds help reduce the risk of accidental contact with live parts.
- Quick-Make, Quick-Break Mechanism: Provides rapid switching action for reliable operation.
- Door Interlock Compatibility: Supports enclosure door interlocking when fitted with the appropriate handle and shaft.
- Padlockable OFF Position: Supports up to three padlocks with a compatible operating handle for maintenance and lockout procedures.
- Flexible Power Feed: Allows incoming power connections from either the top or bottom.
- Compact Design: Measures 68 mm high, 35 mm wide, and 56 mm deep for space-conscious installations.
Specifications
| Technical Specification | Detail |
|---|---|
| Product Model | OT16F3P |
| Manufacturer | ABB |
| Product Series | OT Series |
| Product Type | Front Operated Non-Fusible Open Disconnect Switch |
| Rated Current | 20 A |
| Rated Voltage | 600 V AC |
| Horsepower Rating | 10 hp at applicable three-phase voltages |
| Number of Poles | 3 |
| Short-Circuit Current Rating | 200 kA as listed by the distributor; verify applicable protective-device and coordination requirements |
| Mounting Type | Surface / Base Mounting |
| DIN-Rail Mounting | Compatible with the specified mounting arrangement |
| Terminal Type | Screw Terminals |
| Front Protection Rating | IP20 |
| Temperature Rating | 40°C |
| Conventional Free-Air Thermal Current | 25 A at 40°C for the corresponding OT16F3 specification |
| Operating Mechanism | Quick-Make, Quick-Break |
| Power Feed Direction | Top or Bottom |
| Padlocking Capability | Up to 3 padlocks in the OFF position with a compatible handle |
| Dimensions (H × W × D) | 68 × 35 × 56 mm |
| Product Weight | Approximately 0.09 kg for the corresponding OT16F3 model |
| Applicable Standards | IEC 60947-3, UL 508, CSA C22.2 No. 14 for the corresponding OT16F3 model |
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