IFM IFM204 Inductive Sensor – IFKC007-ASKG/V4A/US-104

The IFM204 is a robust, high-durability inductive proximity sensor designed for mobile and harsh industrial environments. Featuring a threaded M12 housing, increased sensing range of 7 mm, and a configurable PNP/NPN normally open output, it delivers precise non-contact object detection. The IFM204 offers enhanced EMC protection, withstands extreme temperatures (–40 to +85 °C), and includes IP69K sealing for full washdown and outdoor use. Built with gold-plated M12 contacts, shock-rated to 100 g, and certified to ECE R10 automotive standards, it is ideal for rugged automation and mobile machinery applications.

Technical Specifications

Model: IFM204
Manufacturer: IFM
Sensor Type: Inductive proximity sensor
Output Type: PNP/NPN, Normally Open
Sensing Range: 7 mm (non-flush, increased range)
Operating Distance: 0…5.67 mm
Mounting Type: Threaded M12 × 1
Housing Length: 70 mm
Special Features: Gold-plated contacts, increased sensing distance
Application: Mobile automation, harsh industrial environments

Electrical Characteristics

• Operating Voltage: 10–36 V DC
• Current Consumption: < 10 mA
• Protection Class: II
• Reverse Polarity Protection: Yes
• Electrical Connection: 1 × M12 A-coded (gold-plated contacts)

Output Configuration

• Outputs: 1
• Output Type: PNP/NPN (Normally Open)
• Switching Frequency: 300 Hz
• Voltage Drop: ≤ 2.5 V
• Max Current: 100 mA
• Minimum Load Current: 2 mA (2-wire mode)
• Max Leakage Current: 0.5 mA (2-wire mode)
• Short-Circuit Protection: Yes (pulsed)
• Overload Protection: Yes

Detection Zone & Accuracy

• Sensing Range (Sr): 7 mm ±10%
• Correction Factors:
  • Steel: 1.00
  • Stainless Steel: 0.70
  • Brass: 0.50
  • Aluminium: 0.40
  • Copper: 0.30
• Hysteresis: 1–20% of Sr
• Switch Point Drift: –10…10% of Sr

Environmental Conditions

• Ambient Temperature: –40 to +85 °C
• Protection Rating: IP67 / IP69K
• MTTF: 1253 years

Compliance & Certifications

• EMC Standards:
  • ECE R10 (E1 Type Approval)
  • ISO 7637-2 / ISO 16750-2
  • EN 61000-4-2 / -4-3 / -4-4 / -4-5 / -4-6
  • EN 55011 Class B
• Shock Resistance: 100 g, 11 ms – EN 60068-2-27
• Continuous Shock: 40 g, 6 ms (4000 shocks)
• Vibration Resistance: 20 g (10–3000 Hz) – EN 60068-2-6
• Fast Temperature Change: –40 to +85 °C (50 cycles) – EN 60068-2-14 Na
• Salt Spray Resistance: EN 60068-2-52 Kb, Severity Level 5
• UL Approval: File No. E174191 | Approval No. A051 | Enclosure Type 1

Mechanical Design

• Thread Designation: M12 × 1
• Length: 70 mm
• Weight: 29.7 g
• Mounting Type: Non-flush
• Tightening Torque: 15 Nm
• Housing Material: Stainless Steel (316L / 1.4404)
• Sensing Face: LCP (White)
• LED Window: PEI
• Lock Nuts: Brass, white bronze coated (2 included)

Display & Indicators

• LED Indicators: 4 × Yellow LEDs (90° viewing angle)
• Status Indication: Switching state

Key Features & Benefits

✅ 7 mm Increased Sensing Range ensures reliable detection in extended applications.

✅ Rugged M12 Threaded Housing with IP69K rating for full washdown protection.

✅ PNP/NPN Output Flexibility for easy integration into any control system.

✅ Extreme Vibration/Shock Resistance certified for mobile/off-road machinery.

✅ Gold-Plated M12 Contacts enhance signal reliability and long service life.

✅ EMC & Automotive Approvals including ECE R10 and ISO 7637-2 compliance.

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