• Product Family: Sensor / Actuator Connectors
• Connector Type: Cordset, double-ended
• Shielding: Unshielded
• Rated Voltage: 250 V
• Rated Impulse Voltage: 2.5 kV
• Operating Voltage: 230 V AC/DC
• Rated Current: 4 A

Side 1: Male Connector

• Product Sub-Family: M12 Standard
• Connector Design: Straight
• Type of Contact / Gender: Male
• Attachment Type: Coupling Screw
• Number of Pins: 4
• Coding: A (Standard)
• Contact Resistance: ≤ 10 mΩ
• Insulation Resistance: > 10^9 Ω
• Mating Cycles: ≤ 100
• Ambient Temperature (Operation): -40°C to +90°C
• Protection Degree / IP Rating: IP65, IP67, IP68 (1 m / 24 h), IP69K
• Design Standard: IEC 61076-2-101
• Pollution Degree: 3 (according to DIN EN 60664-1)
• Overvoltage Category: II (according to DIN EN 60664-1)
• Contact Base Material: CuZn (Copper-Zinc)
• Contact Plating: Cu/Au (Copper/Gold)
• Contact Bearer Material: TPU-GF (Thermoplastic Polyurethane, Glass-Fiber Reinforced)
• Contact Bearer Color: Yellow
• Flammability Class (Contact Bearer): UL 94 HB
• Molded Body Material: TPU (Thermoplastic Polyurethane)
• Molded Body Color: Yellow
• Attachment Material: CuZn (Copper-Zinc)
• Attachment Plating: Nickel-plated
• Fastening Torque (Attachment): M12x1: (50-60) Ncm, hand-tight
• Note: Do not connect or disconnect under load.

Cable Data (Side 1)

• Cable Number: 637
• Conductor Size: 0.824 mm²
• Number of Wires: 4
• Conductor Material: Cu (Copper)
• Cable Jacket Material: TPE (Thermoplastic Elastomer)
• Cable Jacket Color: Yellow matte (RAL 1021)
• Cable Diameter: Ø 7.112 ± 0.254 mm
• Wire Insulation Material: PVC (Class 43)
• Insulated Wire Diameter: Ø 2.032 mm
• Cycles (Bending): > 1 million cycles
• Ambient Temperature (Fixed Installation): -50°C to +105°C
• UL Cable Type: AWM: 20626
• Flammability Class (Cable Jacket): FT-4 (Flame test for cables)
• Cable Characteristics: Excellent durability, flexibility, and oil resistance.

Side 2: Female Connector

• Product Sub-Family (Side 2): M12 Standard
• Connector Design (Side 2): Straight
• Type of Contact / Gender (Side 2): Female
• Attachment Type (Side 2): Coupling Nut
• Number of Pins (Side 2): 4
• Coding (Side 2): A (Standard)
• Contact Resistance (Side 2): ≤ 10 mΩ
• Insulation Resistance (Side 2): > 10^9 Ω
• Mating Cycles (Side 2): ≤ 100
• Ambient Temperature (Operation, Side 2): -40°C to +90°C
• Protection Degree (Side 2): IP65, IP67, IP68 (1 m / 24 h), IP69K
• Design Standard (Side 2): IEC 61076-2-101
• Pollution Degree (Side 2): 3 (according to DIN EN 60664-1)
• Overvoltage Category (Side 2): II (according to DIN EN 60664-1)
• Contact Base Material (Side 2): CuZn (Copper-Zinc)
• Contact Plating (Side 2): Cu/Au (Copper/Gold)
• Contact Bearer Material (Side 2): TPU (Thermoplastic Polyurethane)
• Contact Bearer Color (Side 2): Black
• Flammability Class (Contact Bearer, Side 2): UL 94 HB
• Molded Body Material (Side 2): TPU (Thermoplastic Polyurethane)
• Molded Body Color (Side 2): Yellow
• Attachment Material (Side 2): CuZn (Copper-Zinc)
• Attachment Plating (Side 2): Nickel-plated
• O-Ring Material (Side 2): FKM (green)
• Fastening Torque (Attachment, Side 2): M12x1: (50-60) Ncm, hand-tight

Safety & Environmental Compliance

• RoHS Compliant: Yes
• Notes:
• Protection Degree/IP Rating valid only if connectors are mounted and locked in combination with Hirschmann or Lumberg Automation connectors.
• Derating Notice: Consider derating if used in high-current or high-temperature environments.

Part Numbers & Cable Length Options

• 7505: RST 4-RKT 4-637/0.3 M (0.3 meters)
• 13168: RST 4-RKT 4-637/0.5 M (0.5 meters)
• 7507: RST 4-RKT 4-637/0.6 M (0.6 meters)
• 7508: RST 4-RKT 4-637/1 M (1 meter)