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Honeywell GKME03 Key Actuated Safety Switch

Honeywell's GKM Series key-actuated safety interlocking limit switches provide a compact and reliable solution for machine guarding and safety applications. The switches feature a miniature housing, dual entry for the actuator key, and positive opening contacts to meet EN/IEC 60947-5-1-3 specifications. They are suitable for a wide range of industrial environments and offer daisy-chain capability for monitoring multiple gates. The GKM series is also agency evaluated for safety functions up to SIL3 level.

Authorized Distributors
Source:Newark
Part No:GKME03
Stock:6
Inv Date:06-01-2026
Price: Unit price: $386.39
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Source:DigiKey
Part No:GKME03
Stock:0
Inv Date:06-01-2026
Price: Unit price: $498.5
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Source:DigiKey
Part No:GKME03
Stock:6
Inv Date:06-01-2026
Price: Unit price: $226.59
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Part No:GKME03
Stock:0
Inv Date:06-02-2026
Price: Unit price: $355.92
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Part No:GKME03
Stock:0
Inv Date:06-01-2026
Price: Unit price: $525.51
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Part No:GKME03
Stock:4
Inv Date:06-01-2026
Price: Unit price: $226.64
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Honeywell GKME03 Key Actuated Safety Switch Specifications:

  • Housing material: Red glass-filled polyester body, black glass-filled polyamide actuator housing
  • Actuator key material: Stainless steel
  • Electrical connection: Side or bottom exit cable (UL rated 105 °C), integral M12 connector, twin connectors
  • Contact/switch options: 1NC/1NO slow action, 2NC slow action
  • Contact design: Double break, electrically separated (Zb)
  • Contact material: Silver alloy (standard), gold-plated (low energy applications)
  • Utilization category: AC-15, B300; DC-13, Q300
  • Rated operational voltage (Ue): 240 Vac, 250 Vdc
  • Rated operational current (Ie): 1.5 A, 0.27 A
  • Thermal current (Ith): 5 A, 2 A (GKME Series)
  • Rated insulation (Ui): 500 V
  • Rated impulse withstand voltage (Uimp): 2500 V
  • Short circuit protection: Class RK5 fuse (4.5A)
  • Pollution degree: 3
  • Environmental sealing: IP 66/67 (GKME Series), NEMA 1, 12, 13
  • Operating temperature: -25 °C to 85 °C
  • Shock: 50 G
  • Vibration: 10 G
  • MCTF (Mechanical life): >1,000,000 cycles
  • MCTF (Electrical life): 32,000 cycles
  • SIL Capability: SIL3 capable (HFT=1), SIL2 capable (HFT=0)
  • Proof test interval: 1 year
  • Dimensions: 34 mm L x 16 mm W x 70 mm H

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Frequently Asked Questions

Where can I buy Honeywell GKME03?

You can click on the BUY or RFQ button to purchase GKME03 from an authorized Honeywell distributor.

How do I troubleshoot issues or seek technical support for part GKME03?

You can download the GKME03 datasheet or visit the Honeywell website for support.

Who is the manufacturer of GKME03?

Honeywell

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