The A21B1K11 rocker switch features a black body with a red illuminated ON-OFF indicator. It uses a terminal connection and is marked with the standard (0-I) print to show the active and inactive positions at a glance.

Rated at 16A/250V AC with an AC15 usage category, it offers a mechanical and electrical service life of 50,000 operations each, and short-circuit breaking capacity of 1 kA. Body-to-contact dielectric strength is 2,500V AC and contact-to-contact is 1,500V AC.

Key Features

• Black body with red illuminated indicator for clear ON-OFF status
• (0-I) marked print for instant position identification
• 1NO contact configuration with terminal connection
• Rated 16A at 250V AC — AC15 usage category
• IP20 protection degree with pollution degree 3 rating
• Operating temperature range: -25 / +80 °C

Product Benefits

• AgNi contact material ensures reliable conductivity and resistance to arcing
• 50,000 mechanical and 50,000 electrical operations guarantee long service life
• Insulation voltage (Ui) of 300V and impulse withstand voltage (Uimp) of 2.5 kV protect connected equipment
• Isolation resistance of 10 MΩ min. at 500V DC reduces leakage risk
• Operating frequency up to Mech. 900 / Elec. 900 on/off cycles per hour supports demanding switching duties

Technical Specifications

• Model: A21B1K11
• Contact: 1NO
• Connection Type: Terminal
• Terminal Size: 6.3×0.8 mm
• Current (Ie): 16 A (250V AC)
• Usage Category: AC15
• Mechanical Life: 50,000 operations
• Electrical Life: 50,000 operations
• Operating Frequency: Mech. 900 / Elec. 900 on-off/hour
• Insulation Voltage (Ui): 300 V
• Impulse Withstand Voltage (Uimp): 2.5 kV
• Dielectric Strength (Body-Contact): 2,500V AC
• Dielectric Strength (Contact-Contact): 1,500V AC
• Isolation Resistance: 10 MΩ min. (500V DC)
• Contact Material: AgNi
• Operating Temperature: -25 / +80 °C
• Protection Degree: IP20
• Pollution Degree: 3
• Short Circuit Breaking Capacity (Ics): 1 kA
• Body Colour: Black
• Indicator Colour: Red
• Illumination: Yes

Why You'll Love It

• Red illuminated indicator makes ON-OFF state visible even in low-light conditions
• Terminal connection with 6.3×0.8 mm cable section fits standard wiring without special tooling
• IP20 and pollution degree 3 classification suits control panel and industrial enclosure installations
• Package includes 1× Switch Rocker Black A21B1K11 with ON-OFF