Overview

The EL-SG Ø30 push-button series and associated industrial control components are engineered for demanding environments requiring robustness, reliability, and long service life. The product range includes push-buttons, selector switches, joysticks, pilot lights, microswitches, and accessories, all designed primarily for 30 mm diameter mounting holes.

Design and Construction

• Available with chromed or black anti-reflective bodies.
• Multiple button types and extensive contact element configurations.
• Robust bellows isolate operators; metal ring nuts ensure secure manual tightening.
• Contact elements use brass-nickel alloy with 100% silver pads for superior conductivity and durability.
• Special screws enable flexible contact block configurations for customized circuit schemes.

Standards and Certifications

• Compliant with IEC 947-5-1, VDE 0660, NFC, CEI EN60947.5.1, UTE, BSI, CENELEC EN 50007.
• UL (USA) and CSA (Canada) approvals ensure international safety compliance.

Environmental and Mechanical Specifications

• Climatic protection categories cover temperate to hot-humid environments per DIN standards.
• Operating temperature range: -25°C to +70°C; storage: -40°C to +70°C.
• Protection degrees: IP65 (operators), IP66 (push-buttons with rubber caps), IP2X (terminals with protection).
• Shock resistance: 7g (20-500 Hz) for latching push-buttons; vibration resistance up to 50g per IEC 60068-2-27.

Electrical Characteristics

• Rated insulation voltage: 690 V, pollution degree 3.
• Impulse withstand voltage: 4 kV; insulation class C; electrical shock protection Class I.
• Short circuit protection via 10A gL fuses.
• Contact operation features slow action silver contacts with self-cleaning, forced NC opening, and double break for reliability.
• Rated thermal current: 10 A.
• Utilization categories AC15/DC13 with detailed voltage/current ratings (e.g., 24 V/10 A AC, 24 V/5 A DC, down to 600 V/1.2 A AC).

Mechanical Life

• 500,000 cycles for joysticks, key push-buttons, and latching mushroom push-buttons.
• 1 million cycles for knobs, levers, key selectors, illuminated selectors, and push-button selectors.
• 3 million cycles for normal and momentary mushroom push-buttons.

Terminal and Lamp Details

• Terminal screws: combined slot and Phillips Ph2, zinc-plated steel.
• Connection capacity: 1 x 0.5 mm² up to 2 x 2.5 mm²; fork spring spade terminals available.
• Lampholder: BA9S socket; max lamp power 3W for push-buttons/pilot lights, 2W for selector switches.
• LED lamps recommended for extended life (≥50,000 hours) versus incandescent (≤1,000 hours) and neon (≤3,000 hours).

Mounting

• Suitable for panel thicknesses 1 to 6 mm.
• Panel drilling complies with EN/IEC 60947-5-1 standards.

Product Variants

• Push-buttons: normal, projecting, mushroom (Ø35 and Ø60), momentary and latching mushroom types.
• Guards: none, half, full, extended, metal guards for mushroom buttons.
• Colors: black, red, green, yellow, blue, orange, white (illuminated versions).
• Illuminated push-buttons with direct 24V AC/DC supply and included BA9S LED lamps.
• Emergency stop push-buttons with twist release mechanisms.

Detailed Component Types

• Push-Buttons: Latching mushroom (Ø30, Ø35, Ø60), emergency stop (red Ø30), key release options (BA, BB, LB keys).
• Pilot Lights: Ø30 size, LED (BA9S) and incandescent (E14 7W max), multiple colors.
• Selector Switches: Knob (2-5 positions), illuminated knob (24V AC/DC), lever (2-5 positions), key selector with removable keys.
• Push-Button Selector Switches: Multiple cam models and positions, lever accessory available.
• Joysticks: Ø30 size, maintained and spring return types, safety interlock and emergency stop versions.
• Microswitches and Contact Blocks: Various position types, gold-plated contacts, early make/late break options, protective covers available.

Combination Diagrams and Wiring

Critical wiring and cam configuration diagrams are referenced (pages 26, 28-29, 34) for correct assembly and installation of selector switches, push-button selectors, and joysticks. Proper use is essential to avoid miswiring and ensure safety.

Contact Blocks and Screws

• Contact blocks Ø30 with screw sizes from 2.0 mm to 7.5 mm; part numbers provided.
• Types include 030FA, FC, 030F1 with inserts C and 0.
• Faston terminals compatible with female Faston connectors (6.3 x 0.8 mm) for contact blocks and lampholders.

Accessories Ø30

• Lenses for illuminated push-buttons and mushroom push-buttons (Ø35) in multiple colors.
• Knobs for illuminated selector switches and dome lenses for pilot lights.
• Flat lenses with diffusers for pilot lights.
• Joystick bellows (RAL 7016), hole plugs (RAL 7035, RAL 7016), protective caps for push-buttons and contact blocks to prevent accidental operation.

Protective Guards and Legend Plates

• Guards available in various styles for 30 mm components.
• Legend plates in blank and with inscriptions such as "Emergency Stop," directional commands (Forward, Reverse, Up, Down, Left, Right).
• Sizes include Ø30, Ø60, and Ø90 mm.

Lamps and LED Components

• BA9S lamp holders support incandescent and LED lamps from 6V to 400V AC/DC.
• LED lamps include steady and flashing types, ultra-bright, non-polarized with ±15% voltage tolerance.
• Bi-color LED lamps available in green/red, green/yellow, blue/red, blue/yellow at 24V DC.
• Incandescent lamps range from 0.6W to 3W; neon lamps available in orange and green for AC voltages 65V to 400V.

Key Parameters and Recommendations

• Use specified screw sizes for secure contact block assembly.
• Select accessories and lenses based on push-button or selector type and desired color coding.
• Protective caps and guards recommended to prevent accidental operation while maintaining accessibility.
• Choose lamps and LEDs considering voltage compatibility, brightness, and polarity requirements.
• Use LED lamps for longer life and energy efficiency.
• Follow combination diagrams strictly to ensure correct wiring and safe operation.
• For safety-critical applications, employ emergency stop devices and safety interlocked joysticks.

Summary

The EL-SG Ø30 series provides a versatile, robust, and reliable range of industrial control components suitable for harsh environments. Its modular design supports extensive customization through various button types, keys, cams, and wiring schemes. Compliance with international standards and certifications ensures safety and performance. Proper installation, use of recommended accessories, and adherence to wiring diagrams are critical for optimal operation and longevity.