GS-71PC Keyence Safety Interlock Switch

The Keyence GS-71PC is a power-to-lock, high-strength safety interlock switch engineered for industrial machine guarding, personnel protection, and high-risk access control. With a locking force of 2,000 N, fast actuation, and IP69K/NEMA-rated durability, it offers robust performance in the most demanding environments.

Technical Specifications

• Manufacturer: Keyence
• Series: GS Series
• Model: GS71PC
• Lock Type: Power-to-lock
• Output Type: PNP, M12 Connector

Locking & Actuation Performance

• Response Time:
  • Lock to Unlock: 320 ms
  • Unlock to Lock: 220 ms
• Locking Force (Fzh): ≥ 2,000 N
• Alignment Tolerance: ±2 mm
• Mechanical Life: ≥ 1 million operations
• Operating Frequency: 1 Hz
• Min. Door Radius: 250 mm
• Auxiliary Release: Front and Back
• Cascading Capability: Up to 25 units

GS-71PC Output & Input Specifications

OSSD Outputs:

• Type: 2 × Transistor
• Max Load Current: 150 mA
• Residual Voltage (ON): ≤ 2.5 V (5 m cable)
• OFF-State Voltage: ≤ 2.0 V
• Leakage Current: ≤ 0.5 mA
• Capacitive Load: ≤ 2.2 µF
• Load Resistance: ≤ 2.5 Ω

Auxiliary Output:

• Type: 1 × Transistor
• Max Load: 50 mA
• Residual Voltage: ≤ 2.5 V

External Inputs:

• Safety Input: Approx. 1.5 mA × 2
• Lock Control: Approx. 2.5 mA

Safety Compliance & Certifications

• IEC 61508 / EN 61508 (SIL2/SIL3)
• IEC 62061 / EN 62061 (SIL CL2/CL3)
• ISO 13849-1:2015 (PLd, Cat 2 / PLe, Cat 4)
• ISO 14119 (Type 4)
• IEC/EN 60947-5-3
• UL 61010-1 / CSA-C22.2 No.61010-1

Electrical Specs & Protection

• Power Supply: 24 VDC ±20% (Ripple ≤10%, Class 2)
• Power Consumption: 3.4 W
• Protection Circuits:
  • Reverse current protection
  • Short-circuit protection
  • Surge protection

Environmental Resistance

• Enclosure Rating:
  • IP65 / IP67 (IEC 60529)
  • IP69K (ISO 20653) TÜV certified
  • NEMA Type 3/4X/12/13
• Operating Temperature: -20°C to +55°C
• Humidity (Operating/Storage): 5%–95% RH
• Storage Temperature: -25°C to +70°C

Mechanical Resistance

• Vibration: 10–55 Hz, 2.0 mm amplitude (5 min/axis)
• Shock: 30G, 6 times per axis (XYZ)

Material Composition

• Main Unit Housing: SUS304, PPS, PBT, PAR, PA66, NBR
• Locking Mechanism: Zinc die-cast (Ni-Cr plated), Aluminum alloy
• Cable: PVC
• Actuator Housing: PPS, PBT, NBR
• Actuator Lock: SUS303, Aluminum

Weight: Approx. 380 g

Key Features & Benefits:

✅ High Locking Force: 2,000 N holding force ensures secure door latching for safety-critical zones.

✅ Fast Response Time: Unlocks in 320 ms and relocks in 220 ms for quick cycle transitions.

✅ Flexible Mounting: ±2 mm alignment tolerance simplifies installation in tight industrial layouts.

✅ Long Mechanical Life: Rated for over 1 million operations — built for high-frequency use.

✅ Cascading Support: Chain-connect up to 25 units for large machine or multi-door safety control.

✅ Superior Environmental Protection: IP69K/NEMA 4X rated for washdowns, dust, and high-moisture applications.

✅ Electrical Protection Built-In: Safeguarded against short circuits, reverse polarity, and voltage surges.

✅ SIL3 / PLe Certified: Fully compliant with IEC/ISO standards for safety-related control systems.

📦 Order Today for Fast UK & Europe Delivery!

At Drive Outlet Megastore, we offer the best Keyence GS-71PC prices, with same-day and next-day shipping across the UK & Europe.

For more information about the Keyence GS-71PC, or for help selecting the right interlock switch for your application, contact Drive Outlet Megastore.

Our expert team is ready to provide tailored advice and fast solutions for all your industrial safety needs.