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Overview
The Schlegel Elektrokontakt AT series momentary switch (SKU: AT) offers robust and reliable control for industrial automation and machinery. Engineered with a 6 mm momentary travel, this switch features a versatile 1 Normally Closed (NC) and 1 Normally Open (NO) contact configuration, providing essential switching functions. The contacts are constructed from AgNi (Silver Nickel), a material known for its excellent conductivity and resistance to wear, ensuring a long operational life of 1 million switching cycles at rated load. Connection is facilitated by standard 2.8 x 0.8 mm Faston terminals, ensuring secure and efficient electrical connections. This switch adheres to Protection Class II, signifying protective insulation for enhanced user safety. It is rated for a thermal continuous current (Ith) of 16 A and an AC15 rated operating voltage (Ue) of 240 V with a rated operating current (Ie) of 3 A. For DC13 applications, it supports 250 V / 0.2 A and 24 V / 2 A. The AT switch is designed for panel mounting with a required panel cut-out of Ø 16.2 mm and a front bezel height of 12 mm, offering a degree of protection of IP65/IP67 depending on the specific configuration. Manufactured in Germany, the Schlegel Elektrokontakt AT switch is a dependable choice for control panels, equipment requiring precise actuation, and safety-critical systems.
- Momentary switching action with 6 mm travel
- 1 Normally Closed (NC) and 1 Normally Open (NO) contact configuration
- AgNi (Silver Nickel) contact material for durability and conductivity
- 2.8 x 0.8 mm Faston terminals for secure connections
- Protection Class II (protective insulation) for enhanced safety
Specifications
Actuation Travel | 6 mm |
Amperage Rating | 3 A AC |
Certifications | DNV |
Connection Type | Faston Terminal 2.8 x 0.8 mm |
Contact Material | AgNi |
Contact Type | 1NC / 1NO |
Electrical Life | 1.000.000 operations |
Housing Color | Transparent |
Insulation Voltage | 250 V AC |
IP Rating | IP00 |
Material | AgNi |
Mechanical Life | 1.000.000 operations |
Poles | 2P+G |
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... |
Size | 6 mm |
Storage Temperature | -50 °C to 85 °C |
Switching Function | Tastfunktion |
Temperature Rating | -30 °C to 70 °C |
Voltage Rating | 240 V AC |

BZI
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: 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: No
BZLOOK
Switching Function: Momentary Travel: 3 mmContact Type: Screw Connection 2.5 mm? Contact Equipment: 2 x NCContact Material: AgNi Protection Class: II (protective insulation)Illumination: Yes Lambholder: W2x46d Labeling Option: NoFrequently Asked Questions
What is the operating temperature range for the AT contactor?
The AT contactor can operate in temperatures ranging from -30 °C to 70 °C.
What is the storage temperature range for the AT contactor?
The storage temperature range for the AT contactor is -50 °C to 85 °C.
What is the enclosure color of the AT contactor?
The enclosure color of the AT contactor is transparent.
What material is used for the contacts in the AT contactor?
The contact material used in the AT contactor is AgNi.
What is the front protection rating of the AT contactor?
The front protection rating of the AT contactor is IP00.
What is the rated insulation voltage for the AT contactor?
The rated insulation voltage for the AT contactor is 250 V AC/DC and 300 V AC/DC.
What is the impulse withstand voltage for the AT contactor?
The rated impulse withstand voltage for the AT contactor is 2.5 kV.
What is the rated current for the AT contactor?
The rated current for the AT contactor is 6(3) A.
What is the electrical lifespan of the AT contactor?
The electrical lifespan of the AT contactor is 1,000,000 switching cycles.
What contact types are available for the AT contactor?
The AT contactor is available with 1NC and 1NO contact types.