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Overview
The Schlegel Elektrokontakt AT2 is a momentary action selector switch designed for robust industrial control applications. This unit features a standard panel cut-out diameter of 22.3 mm and a travel of 6 mm, providing clear tactile feedback. It is equipped with a contact configuration of 2 Normally Closed (NC) and 2 Normally Open (NO) contacts, offering versatile switching capabilities. The contact material is AgNi (Silver Nickel), known for its excellent conductivity and durability in industrial environments, ensuring a long operational life of 1 million switching cycles at rated load. Connection is facilitated via Faston terminals measuring 2.8 x 0.8 mm, ensuring secure and efficient wiring. The AT2 switch adheres to protection class II, signifying protective insulation for enhanced electrical safety. It operates reliably within standard industrial voltage and current ratings, including AC15 at 240V/3A and DC13 at 250V/0.2A or 24V/2A. This switch is manufactured in Germany, reflecting a commitment to quality and precision engineering. Ideal for integration into control panels, machinery, and automation systems where reliable momentary switching is critical. The AT2 is built to meet EN 60947-5-1 and EN 61058-1 standards.
- Momentary action selector switch
- Contact configuration: 2 NC + 2 NO
- Contact material: AgNi for durability and conductivity
- Connection type: Faston terminals (2.8 x 0.8 mm)
- Protection Class II (protective insulation)
Specifications
Actuation Travel | 6 mm |
Amperage Rating | 3 A AC |
Certifications | CCC, CSA, cURus, ENEC10, VDE, CE, UKCA, UR, DNV |
Connection Type | Faston terminal 2.8 mm x 0.8 mm |
Contact Material | AgNi |
Contact Type | 2NC / 2NO |
Electrical Life | 1.000.000 operations |
Housing Color | Transparent |
Insulation Voltage | 250 V AC |
IP Rating | IP00 |
Mechanical Life | 1.000.000 operations |
Positive Opening | per EN 60947-5-1 Annex K |
Product Type | Kontaktgeber |
Rated Current | 6(3) A |
Rated Voltage | 250 V AC/DC |
Series | Kontaktgeber A... |
Storage Temperature | -50 °C to 85 °C |
Switching Function | Tastfunktion |
Temperature Rating | -30 °C to 70 °C |
Voltage Rating | 240 V AC |

AZOSOI
Switching Function: Momentary Travel: 3 / 6 mmContact Type: Faston Terminal 2.8 x 0.8 mm Contact Equipment: 2 x NC + 1 x NOContact Material: AgNi Protection Class: II (protective insulation)Illumination: No Labeling Option: No
AT
Switching Function: Momentary Travel: 6 mmContact Type: Faston Terminal 2.8 x 0.8 mm Contact Equipment: 1 x NC + 1 x NOContact Material: AgNi Protection Class: II (protective insulation)Illumination: No Labeling Option: No
MTO
Switching Function: MomentaryContact Type: Screw Connection 2.5 mm? Contact Equipment: 1 x NCProtection Class: II (protective insulation)
MTI
Switching Function: Momentary Travel: 6 mmContact Type: Screw Connection 2.5 mm? Contact Equipment: 1 x NOContact Material: AgNi Protection Class: II (protective insulation)Illumination: No Labeling Option: No
ATL2
Switching Function: Momentary Travel: 6 mmContact Type: Faston Terminal 2.8 x 0.8 mm Contact Equipment: 2 x NC + 2 x NOContact Material: AgNi Protection Class: II (protective insulation)Illumination: Yes Lambholder: T55K Labeling Option: No
ML
Contact Type: Screw Connection 2X 2.5 Mm?Lambholder: BA9sDegree of Ingress Protection: IP00 Protection Class: II (protective insulation)Illumination: Yes Labeling Option: No
BZLO
Switching Function: Momentary Travel: 3 mmContact Type: Faston Terminal 2.8 x 0.8 mm Contact Equipment: 1 x NCContact Material: AgNi Protection Class: II (protective insulation)Illumination: Yes Lambholder: W2x46d Labeling Option: No
BZLI
Switching Function: Momentary Travel: 3 mmContact Type: Faston Terminal 2.8 x 0.8 mm Contact Equipment: 1 x NOContact Material: AgNi Protection Class: II (protective insulation)Illumination: Yes Lambholder: W2x46d Labeling Option: NoFrequently Asked Questions
What is the operating temperature range for the AT2?
The AT2 has an operating temperature range of -30 °C to 70 °C.
What are the storage temperature limits for the AT2?
The AT2 can be stored at temperatures between -50 °C and 85 °C.
What is the front protection rating of the AT2?
The front protection rating for the AT2 is IP00.
What is the rated operational voltage for the AT2?
The rated operational voltage for the AT2 is 250 V AC/DC.
What is the rated impulse withstand voltage of the AT2?
The AT2 has a rated impulse withstand voltage of 2.5 kV.
What is the rated current for the AT2?
The rated current for the AT2 is 6(3) A.
What is the electrical lifespan of the AT2?
The AT2 has an electrical lifespan of 1,000,000 switching cycles.
What types of contact configurations are available for the AT2?
The AT2 is available with 2NC (normally closed) or 2NO (normally open) contact types.
What is the minimum voltage and current for the AT2?
The minimum voltage is 5 V and the minimum current is 1 mA under laboratory conditions.
What is the mechanical lifespan of the AT2?
The AT2 has a mechanical lifespan of 1,000,000 switching cycles.