Product Description in English:

The EF303.1 contact element is a versatile and robust switching component, ideally suited for safety-critical applications such as emergency stop circuits. It features one normally closed (NC) and one normally open (NO) contact with a slow-action switching principle, ensuring reliable and precise contact operation. With its high mechanical lifespan and easy installation, this product is an excellent choice for industrial control systems.

Technical Data:

Product Type Designation:

• EF303.1

Article Number:

• 101022137

EAN:

• 4250116201341

eCl@ss and ETIM Numbers:

• eCl@ss Version 12.0: 27-37-13-02
• ETIM Version 7.0: EC000041

Approvals and Standards:

• Certifications: cULus
• Standards: EN IEC 60947-5-1, EN IEC 60947-1

Material and Weight:

• Housing Material: Plastic, fiberglass-reinforced thermoplastic, self-extinguishing
• Gross Weight: 23 g

Mechanical Properties:

• Length: 46 mm
• Width: 10 mm
• Depth: 60 mm
• Mechanical Lifespan: Min. 10,000,000 switching cycles
• Forced Opening Distance: 2 mm
• Contact Opening Width: 3 mm
• Mounting Instructions: Clip-on
• Protection Class: IP40 (Switching chamber), IP20 (Terminals)

Electrical Properties:

• Thermal Continuous Current: 10 A
• Utilization Category AC-15: 230 VAC, 8 A
• Utilization Category DC-13: 24 VDC, 5 A
• Low Voltage Capability: ≥ 5 V / ≥ 3.2 mA
• Contact Material: Silver
• Maximum Switching Frequency: 1,200 /h

Environmental Conditions:

• Ambient Temperature: -25 ... +80 °C
• Protection Class: IP40
• Shock Resistance: 110 g / 4 ms
• Vibration Resistance: 20 g / 10 … 200 Hz

Connection Data:

• Connection Type: Screw terminals
• Connection Cross-Section:
- Minimum: 0.5 mm² (rigid or flexible)
- Maximum: 2.5 mm² (rigid), 1.5 mm² (flexible)


Contact Designation:

• Normally Closed (NC): 11-12
• Normally Open (NO): 23-24