Overview: The document provides technical specifications for hand-operated rotary switches by Craig & Derricott Ltd, emphasizing their cost-effectiveness and customization for complex contact switching functions. These switches are crucial for safely disconnecting electrical equipment from the supply.
Specifications: The document details various models of rotary switches (R6, R16, Minirotary, R40) with specifications such as thermal ratings, position indexing options, standard operating knobs, rated voltage, switching characteristics, and compliance with BS EN 60947-3 standards. It also covers rated short time withstand, maximum backup fuse, finger protection, contact material, mechanical life, termination size, and maximum connecting cable size.
Switch Models:- R6 & R16: Built on a common frame, suitable for isolation and selector functions, ideal for OEM users.
- Minirotary: Versatile with accessory options, suitable for rail applications due to shock and vibration resistance.
- R40: Offers high versatility with multiple indexing options, suitable for isolation duties.
Catalogued Items: Various catalogued items are listed with different sequences and options, including unrestricted and restricted positions, stayput and spring return options, and early break auxiliary contacts. Each item is detailed with its rating, poles, and catalog number.
Accessories: Descriptions of accessories such as padlocking handles, multi-position locking handles, knob actuators, and key actuators are provided, detailing their compatibility with different switch models and catalog references.
Alternative Knobs: Various knob options are available, including moulded skirted knobs, die-cast knobs, and machine tool style knobs, each with specific dimensions and catalog references.
Extended Shafts: The document mentions the possibility of specifying extended shaft projections beyond the standard.
Technical Data Sheet Overview: Detailed specifications and options for Craig & Derricott's Classic Hand Operated Rotary Switches are provided, focusing on customization and additional features to meet specific industrial needs.
Additional Features:- IP65 Sealing Kit: Enhances standard panel mounting switches to IP65, available factory-fitted or as a kit.
- Base Mounting: Allows for base mounting of panel-mounted switch forms, specified by adding 'B' after the pole designation.
- Faceplate Padlocking: Heavy-duty, all-metal padlocking device, customizable for locking positions.
- Additional Terminal Protection: Includes individual terminal shrouds and flexible PVC shrouds for complete switch and wiring coverage.
Conclusions: The document emphasizes the flexibility of the Classic Range rotary switches, offering bespoke arrangements to meet unique industrial requirements. It also highlights the availability of common components like enclosures and indicator plates, which are detailed in separate data sheets.