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Honeywell
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จีเคเอ็ม ซีรีส์
The MICRO SWITCH GKM Series is Honeywell's miniature product line offering one of the smallest key-op switches available. GKM has daisy-chain capability to reduce installation and down time. Pre-leaded versions allow for rapid fit, easy cable routing and function testing, potentially cutting costs dramatically in OEM applications.
Per safety code EN 60954-1, components used alone comply as a Category 1. By using components in conjunction with other safety switches and modules, it is possible to construct comprehensive protection schemes with Category 2, 3, or 4 compliance. Simple upgrade guarding solutions are available for end-user applications.
| Characteristic | Parameter |
|---|---|
| Description | Dual entry key-operated safety interlock switch |
| Agency certifications | CE, DOC 141 (EN60947-1 and EN 60947-5-1) cULus, UL508 (File E37138) SIRA, Functional Safety Certificate (IEC 61508-2:2010) |
| 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 with PVC jacket and cores four conductor 0.5 mm², 20 AWG). Side or bottom exit integral M12 Micro 4-pin dc-style connector, Side and bottom exit (twin connectors) integral M12 Micro 4-pin dc style connectors for daisy chaining and monitoring multiple doors |
| Contact/switch options | 1NC/1NO slow action BBM, 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, GKME Series 2 A |
| Rated insulation (Ui) | 500 V |
| Rated impulse withstand voltage (Uimp) | 2500 V |
| Short circuit protection device (SCPD) | Class RK5 fuse, rated at 4.5A |
| Pollution degree | 3 |
| Environmental sealing | IP 66/67, GKME Series (twin connectors) IP66 per EN60529; NEMA 1, 12, 13 |
| Operating temperature | -25 °C to 85 °C (-13 °F to 185 °F) |
| Shock | 50 G per IEC 60068-2-27 |
| Vibration | 10 G per IEC 60068-2-6 |
| MCTF (Mechanical life) | >1,000,000 cycles with single-sided confidence limit of 95% |
| MCTF (Electrical life) | 32,000 cycles |
| SIL Capability | SIL3 capable with HFT=1, SIL2 capable with HFT=0 with reference to IEC 61508-2:2010 Functional Safety |
| Proof test interval | 1 year |
| Standard Silver Contacts | Gold Plate Contacts |
|---|---|
| AC | DC |
| Ith = 5 A 1 V, 10 mA min. 50 V, 100 mA max. | 30 Vdc, 2 A max. Ith = 2 A |
| Standard Silver Contacts | Gold Plate Contacts |
|---|---|
| 1 Vdc, 10 mA min. 30 Vdc, 100 mA max. Ith = 2 A | B300 |
| AC15 | Q300 |
| DC13 | Ue |
| Ie | Volts |
| Amps | 120 |
| 3 | 125 |
| 0.55 | 240 |
| 1.5 | 250 |
| 0.27 |
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