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1SCA022400R9410 ABB 7.5 kW 3-Pole Plastic Enclosed Safety Switch Black Handle 1NO
ABB OTP16HT3M (1SCA022400R9410) 7.5 kW three-pole enclosed safety switch-disconnector with 16 A AC-23A switching at 415 V AC, a black padlockable rotary handle, integrated 1NO auxiliary contact and IP65 glass-fibre-reinforced polycarbonate enclosure for industrial motor and machinery isolation.
£52.21
Why Choose the ABB OTP16HT3M 7.5 kW Enclosed Safety Switch?
The ABB OTP16HT3M (1SCA022400R9410) is a compact and durable three-pole enclosed safety switch-disconnector designed for reliable local isolation of electrical machinery, motors and industrial equipment. As part of the ABB OTP plastic enclosed safety switch series, it provides dependable manual ON/OFF switching for industrial and commercial electrical installations where safe equipment isolation and convenient local control are essential.
This safety switch features a 7.5 kW AC-23A motor switching rating at 415 V AC, a 16 A rated operational current and an integrated normally open (1NO) auxiliary contact. Its black rotary selector handle provides straightforward manual operation, while the padlockable mechanism and interlocked enclosure cover help support controlled electrical isolation during equipment maintenance and servicing.
Housed in a robust glass-fibre-reinforced polycarbonate enclosure, the OTP16HT3M provides IP65 protection against dust and water jets when correctly installed. The enclosure measures 120 × 85 × 60 mm and includes cable entry provisions at the top and bottom, making it suitable for installation close to machinery, motors, pumps, conveyors and other industrial equipment.
Key Advantages
- Compact three-pole enclosed safety switch-disconnector for industrial machinery isolation.
- 7.5 kW AC-23A motor switching capacity at 415 V AC for suitable three-phase equipment.
- 16 A rated operational current under AC-23A conditions at 415 V AC.
- Integrated 1NO auxiliary contact for signalling and control circuit applications.
- IP65-rated plastic enclosure provides protection against dust and water jets.
- Black rotary selector handle offers straightforward ON/OFF operation.
- Padlockable handle accommodating up to three padlocks supports controlled maintenance isolation.
- Interlocked enclosure cover helps prevent access while the switch is in the ON position.
- UV-protected, glass-fibre-reinforced polycarbonate housing supports indoor and outdoor installation.
- Fixed neutral and protective earth terminals simplify wiring in suitable electrical systems.
- Top and bottom cable entries provide flexibility during installation.
- Compact construction makes the switch suitable for local mounting close to industrial machinery.
Key Features
- ABB OTP plastic enclosed safety switch series.
- 7.5 kW motor switching rating at 415 V AC.
- Three-pole (3P) main switching configuration.
- 16 A AC-23A rated operational current at 415 V AC.
- 10 A AC-23A rated operational current at 690 V AC.
- 40 A conventional enclosed thermal current.
- One normally open (1NO) auxiliary contact supplied fitted.
- Black round selector handle with ON/OFF operation.
- Padlockable OFF position accommodating up to three padlocks.
- Interlocked enclosure cover for controlled access.
- IP65 enclosure protection rating according to IEC 60529.
- IK08 enclosure impact resistance.
- Glass-fibre-reinforced polycarbonate enclosure with UV protection.
- Grey enclosure finish, RAL 7035.
- Two M20 cable entry positions at the top and bottom.
- 0.75–10 mm² main circuit conductor connection capacity.
- Fixed neutral and protective earth terminals.
- Two membrane cable glands and two pull stoppers included.
- Compact 120 × 85 × 60 mm enclosure for convenient wall or machinery mounting.
Technical Specifications
- Manufacturer: ABB
- Series: OTP Plastic Enclosed Safety Switches
- Model: OTP16HT3M
- ABB order code: OTP16HT3M
- ABB product ID: 1SCA022400R9410
- ABB product group: 311004-Plastic Enclosed Switches (Otp)
- Product type: Enclosed safety switch-disconnector
- Application: Local motor and machinery isolation
- Maximum motor power AC-23A at 415 V AC: 7.5 kW
- Maximum motor power AC-23A at 690 V AC: 7.5 kW
- Number of poles: 3
- Switching positions: I-O / ON-OFF
- Operating mechanism: Manual rotary selector
- Rated operational current AC-23A at 415 V AC: 16 A
- Rated operational current AC-23A at 690 V AC: 10 A
- Conventional enclosed thermal current (Ithe): 40 A
- Rated insulation voltage (Ui): 750 V
- Rated short-time withstand current (Icw): 0.5 kA for 1 s
- Auxiliary contacts fitted: 1NO
- Normally open auxiliary contacts: 1
- Normally closed auxiliary contacts: 0
- Handle type: Round rotary selector handle
- Handle colour: Black
- Handle padlocking: Up to 3 padlocks
- Cover interlock: Yes
- Enclosure material: Glass-fibre-reinforced polycarbonate
- Enclosure colour: Grey, RAL 7035
- Enclosure protection rating: IP65
- Enclosure impact resistance: IK08
- UV protection: Yes
- Mounting type: Surface mounting
- Cable entry position: Top and bottom
- Cable entry configuration: 2 × M20 top / 2 × M20 bottom
- Main circuit terminal type: Screw clamp
- Main circuit conductor capacity: 0.75–10 mm²
- Neutral terminal: Fixed neutral terminal included
- Protective earth terminal: Included
- PE terminal conductor capacity: 0.75–2.5 mm²
- Included cable accessories: 2 membrane cable glands and 2 pull stoppers
- Enclosure dimensions (H × W × D): 120 × 85 × 60 mm
- Net weight: approx. 0.4 kg
- EAN: 6417019130798
- Country of origin: Finland
- Applicable standards: IEC 60947-1 and IEC 60947-3
Reliable Local Isolation for Industrial Machinery
Enclosed safety switches such as the ABB OTP16HT3M provide a convenient means of manually disconnecting electrical equipment from its power supply. The three-pole switch-disconnector allows all three phase conductors to be opened together, supporting safe isolation procedures during machinery maintenance, inspection and repair.
The black rotary selector handle provides clear ON/OFF operation and can be secured in the OFF position using up to three padlocks. This supports maintenance procedures where equipment must remain electrically isolated while work is carried out. The enclosure cover is mechanically interlocked with the operating mechanism, helping prevent access to internal components while the switch is in the ON position.
The integrated 1NO auxiliary contact can be used within appropriately designed control circuits to provide switch-position signalling or control interlocking. This allows the OTP16HT3M to be incorporated into industrial machinery control arrangements where monitoring of the isolator position is required.
The ABB OTP series uses a rigid, UV-protected glass-fibre-reinforced polycarbonate enclosure designed to withstand demanding industrial conditions. Its IP65 protection rating helps protect internal switching components against dust and water jets, making it suitable for correctly installed indoor and outdoor applications.
With its compact enclosure, fixed neutral and protective earth terminals, and convenient top and bottom cable entry provisions, the OTP16HT3M offers a practical solution for local motor isolation. The device is a switch-disconnector rather than an overload relay or circuit breaker, so suitable upstream short-circuit and overload protection must be provided according to the electrical installation requirements.
Typical Applications
- Local isolation of three-phase industrial motors.
- Conveyor and material handling equipment.
- Industrial pumps and pumping stations.
- Fans, ventilation and extraction systems.
- Packaging and production machinery.
- Manufacturing and processing equipment.
- Industrial machinery maintenance isolation points.
- Heating, ventilation and air conditioning equipment.
- Commercial and industrial building services.
- Water treatment and wastewater processing machinery.
- Outdoor machinery and equipment installations.
- OEM machine building and industrial automation systems.
Technical Specifications
Tick the specs you need, then view products that match.
| Device Type | Enclosed safety switch / isolator | |
|---|---|---|
| Material | Polycarbonate |
Frequently Asked Questions
What is the ABB OTP16HT3M safety switch used for?
The ABB OTP16HT3M is a three-pole enclosed safety switch-disconnector designed for local isolation of industrial motors, machinery and electrical equipment. It allows operators to manually disconnect the power supply during maintenance, servicing and equipment inspection.
What motor power can the ABB OTP16HT3M switch?
The OTP16HT3M has a maximum 7.5 kW AC-23A motor switching rating at 415 V AC, with a corresponding rated operational current of 16 A. Motor suitability must be assessed against the applicable utilisation category and operating conditions.
How many poles does the ABB OTP16HT3M have?
The switch features a three-pole (3P) configuration, allowing simultaneous disconnection of three phase conductors. It also includes separate fixed neutral and protective earth terminals for suitable electrical installation arrangements.
Does the ABB OTP16HT3M include an auxiliary contact?
Yes. The OTP16HT3M includes one normally open (1NO) auxiliary contact fitted as standard. This contact can be used for switch-position indication or appropriately designed control circuit interlocking.
What is the IP protection rating of the ABB OTP16HT3M?
The switch is housed in an IP65-rated enclosure, providing protection against dust ingress and water jets when correctly installed. Its UV-protected, glass-fibre-reinforced polycarbonate construction supports indoor and outdoor industrial applications.
Can the ABB OTP16HT3M be padlocked in the OFF position?
Yes. The black rotary selector handle can accommodate up to three padlocks in the OFF position. This supports controlled isolation during machinery maintenance and repair procedures.
What cable entries are provided on the ABB OTP16HT3M?
The enclosure provides two M20 cable entry positions at the top and two at the bottom. It is supplied with two membrane cable glands and two pull stoppers to support flexible cable installation.
What are the dimensions of the ABB OTP16HT3M?
The enclosure measures 120 × 85 × 60 mm (H × W × D) and has an approximate net weight of 0.4 kg. Its compact construction makes it suitable for mounting close to industrial motors and machinery.
Does the ABB OTP16HT3M provide overload or short-circuit protection?
No. The OTP16HT3M is a switch-disconnector designed for manual switching and electrical isolation. It does not replace a circuit breaker, fuse or motor overload protection device. Suitable protective equipment must be provided separately according to the installation requirements.
What is the ABB product code for the OTP16HT3M?
The manufacturer model designation is OTP16HT3M, and the ABB product identification number is 1SCA022400R9410. It belongs to the ABB OTP plastic enclosed safety switch range, within product group 311004-Plastic Enclosed Switches (Otp).
Trusted by Industrial Engineers and Machine Builders Worldwide
ABB OTP enclosed safety switches are designed to provide dependable local isolation for industrial motors, machinery and electrical equipment. The OTP16HT3M combines a 7.5 kW three-pole switching capability, integrated 1NO auxiliary contact, padlockable black selector handle and durable IP65 polycarbonate enclosure to support reliable and convenient electrical isolation in industrial and commercial installations.
