• KOINO NS22-MK Mode Key Selector Switches (2-4 Circuits)
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KOINO NS22-MK Mode Key Selector Switches (2-4 Circuits)

KOINO NS22-MK Mode Key Selector Switches (2-4 Circuits)

KOINO NS22-MK series 22 mm mode key selector switch with AUTO/TEACH changeover, key retention and forced-separation contacts, in standard (MK) and panel (MKP) forms.

Key features

  • AUTO / TEACH mode selection with key-removal prevention; left or right key removal
  • Four certified contact configurations: 2NC+1NO (1B1B1A), 2NC+2NO (2B02A), 3NC (1B1B1B), 3NC+1NO (1B2B1A)
  • Operator code gives key removal position and NC conducting position: LL, RL, LR, RR
  • Positively-separated (forced opening) contacts; strengthened safety when used together with the KESD interlock switch
  • Front panel MK-MTP and key MK-KCW included; AUTO/TEACH and ON/OFF nameplates ordered separately
  • CE IEC/EN 60947-5-1, S-mark S1-G-1-2017, KS C IEC 60947-5-1

Specifications

Series NS22-MK / NS22-MKP
Contact rating 125VAC 6A, 250VAC 3A (resistive)
Minimum load 5VDC 5mA
Rated insulation / impulse voltage 600V / 6kV
Dielectric strength 2,500VAC 1 min
Mechanical / electrical life 100,000 operations (30 operations/min max.)
Ambient temperature -25 to +70 C (no freezing)
Protection IP66 (panel front operator)
Thermal current Ith 10A
Mounting hole 22 mm
Source KOINO general catalog 5th ed., p. 136-139
NS22-MK-1B1B1ALL Form: Standard (MK) | Contact configuration: 2NC + 1NO | Key removal position: Left | NC conducting position: Left
NS22-MK-1B1B1ARL Form: Standard (MK) | Contact configuration: 2NC + 1NO | Key removal position: Right | NC conducting position: Left
NS22-MK-1B1B1ALR Form: Standard (MK) | Contact configuration: 2NC + 1NO | Key removal position: Left | NC conducting position: Right
NS22-MK-1B1B1ARR Form: Standard (MK) | Contact configuration: 2NC + 1NO | Key removal position: Right | NC conducting position: Right
NS22-MK-2B02ALL Form: Standard (MK) | Contact configuration: 2NC + 2NO | Key removal position: Left | NC conducting position: Left
NS22-MK-2B02ARL Form: Standard (MK) | Contact configuration: 2NC + 2NO | Key removal position: Right | NC conducting position: Left
NS22-MK-2B02ALR Form: Standard (MK) | Contact configuration: 2NC + 2NO | Key removal position: Left | NC conducting position: Right
NS22-MK-2B02ARR Form: Standard (MK) | Contact configuration: 2NC + 2NO | Key removal position: Right | NC conducting position: Right
NS22-MK-1B1B1BLL Form: Standard (MK) | Contact configuration: 3NC | Key removal position: Left | NC conducting position: Left
NS22-MK-1B1B1BRL Form: Standard (MK) | Contact configuration: 3NC | Key removal position: Right | NC conducting position: Left
NS22-MK-1B1B1BLR Form: Standard (MK) | Contact configuration: 3NC | Key removal position: Left | NC conducting position: Right
NS22-MK-1B1B1BRR Form: Standard (MK) | Contact configuration: 3NC | Key removal position: Right | NC conducting position: Right
NS22-MK-1B2B1ALL Form: Standard (MK) | Contact configuration: 3NC + 1NO | Key removal position: Left | NC conducting position: Left
NS22-MK-1B2B1ARL Form: Standard (MK) | Contact configuration: 3NC + 1NO | Key removal position: Right | NC conducting position: Left
NS22-MK-1B2B1ALR Form: Standard (MK) | Contact configuration: 3NC + 1NO | Key removal position: Left | NC conducting position: Right
NS22-MK-1B2B1ARR Form: Standard (MK) | Contact configuration: 3NC + 1NO | Key removal position: Right | NC conducting position: Right
NS22-MKP-1B1B1ALL Form: Panel type (MKP) | Contact configuration: 2NC + 1NO | Key removal position: Left | NC conducting position: Left
NS22-MKP-1B1B1ARL Form: Panel type (MKP) | Contact configuration: 2NC + 1NO | Key removal position: Right | NC conducting position: Left
NS22-MKP-1B1B1ALR Form: Panel type (MKP) | Contact configuration: 2NC + 1NO | Key removal position: Left | NC conducting position: Right
NS22-MKP-1B1B1ARR Form: Panel type (MKP) | Contact configuration: 2NC + 1NO | Key removal position: Right | NC conducting position: Right
NS22-MKP-2B02ALL Form: Panel type (MKP) | Contact configuration: 2NC + 2NO | Key removal position: Left | NC conducting position: Left
NS22-MKP-2B02ARL Form: Panel type (MKP) | Contact configuration: 2NC + 2NO | Key removal position: Right | NC conducting position: Left
NS22-MKP-2B02ALR Form: Panel type (MKP) | Contact configuration: 2NC + 2NO | Key removal position: Left | NC conducting position: Right
NS22-MKP-2B02ARR Form: Panel type (MKP) | Contact configuration: 2NC + 2NO | Key removal position: Right | NC conducting position: Right
NS22-MKP-1B1B1BLL Form: Panel type (MKP) | Contact configuration: 3NC | Key removal position: Left | NC conducting position: Left
NS22-MKP-1B1B1BRL Form: Panel type (MKP) | Contact configuration: 3NC | Key removal position: Right | NC conducting position: Left
NS22-MKP-1B1B1BLR Form: Panel type (MKP) | Contact configuration: 3NC | Key removal position: Left | NC conducting position: Right
NS22-MKP-1B1B1BRR Form: Panel type (MKP) | Contact configuration: 3NC | Key removal position: Right | NC conducting position: Right
NS22-MKP-1B2B1ALL Form: Panel type (MKP) | Contact configuration: 3NC + 1NO | Key removal position: Left | NC conducting position: Left
NS22-MKP-1B2B1ARL Form: Panel type (MKP) | Contact configuration: 3NC + 1NO | Key removal position: Right | NC conducting position: Left
NS22-MKP-1B2B1ALR Form: Panel type (MKP) | Contact configuration: 3NC + 1NO | Key removal position: Left | NC conducting position: Right
NS22-MKP-1B2B1ARR Form: Panel type (MKP) | Contact configuration: 3NC + 1NO | Key removal position: Right | NC conducting position: Right
Safety SwitchesKOINO
32 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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KOINO NS22-MK Mode Key Selector Switches (2-4 Circuits)

Brand KOINO·Safety Switches

Available part numbers (32)

NS22-MK-1B1B1ALL, NS22-MK-1B1B1ARL, NS22-MK-1B1B1ALR, NS22-MK-1B1B1ARR, NS22-MK-2B02ALL, NS22-MK-2B02ARL, NS22-MK-2B02ALR, NS22-MK-2B02ARR, NS22-MK-1B1B1BLL, NS22-MK-1B1B1BRL + 22 more — see full table ↓

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Product codes & specifications
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Product codeSpec
NS22-MK-1B1B1ALLForm: Standard (MK) | Contact configuration: 2NC + 1NO | Key removal position: Left | NC conducting position: Left
NS22-MK-1B1B1ARLForm: Standard (MK) | Contact configuration: 2NC + 1NO | Key removal position: Right | NC conducting position: Left
NS22-MK-1B1B1ALRForm: Standard (MK) | Contact configuration: 2NC + 1NO | Key removal position: Left | NC conducting position: Right
NS22-MK-1B1B1ARRForm: Standard (MK) | Contact configuration: 2NC + 1NO | Key removal position: Right | NC conducting position: Right
NS22-MK-2B02ALLForm: Standard (MK) | Contact configuration: 2NC + 2NO | Key removal position: Left | NC conducting position: Left
NS22-MK-2B02ARLForm: Standard (MK) | Contact configuration: 2NC + 2NO | Key removal position: Right | NC conducting position: Left
NS22-MK-2B02ALRForm: Standard (MK) | Contact configuration: 2NC + 2NO | Key removal position: Left | NC conducting position: Right
NS22-MK-2B02ARRForm: Standard (MK) | Contact configuration: 2NC + 2NO | Key removal position: Right | NC conducting position: Right
NS22-MK-1B1B1BLLForm: Standard (MK) | Contact configuration: 3NC | Key removal position: Left | NC conducting position: Left
NS22-MK-1B1B1BRLForm: Standard (MK) | Contact configuration: 3NC | Key removal position: Right | NC conducting position: Left
NS22-MK-1B1B1BLRForm: Standard (MK) | Contact configuration: 3NC | Key removal position: Left | NC conducting position: Right
NS22-MK-1B1B1BRRForm: Standard (MK) | Contact configuration: 3NC | Key removal position: Right | NC conducting position: Right
NS22-MK-1B2B1ALLForm: Standard (MK) | Contact configuration: 3NC + 1NO | Key removal position: Left | NC conducting position: Left
NS22-MK-1B2B1ARLForm: Standard (MK) | Contact configuration: 3NC + 1NO | Key removal position: Right | NC conducting position: Left
NS22-MK-1B2B1ALRForm: Standard (MK) | Contact configuration: 3NC + 1NO | Key removal position: Left | NC conducting position: Right
NS22-MK-1B2B1ARRForm: Standard (MK) | Contact configuration: 3NC + 1NO | Key removal position: Right | NC conducting position: Right
NS22-MKP-1B1B1ALLForm: Panel type (MKP) | Contact configuration: 2NC + 1NO | Key removal position: Left | NC conducting position: Left
NS22-MKP-1B1B1ARLForm: Panel type (MKP) | Contact configuration: 2NC + 1NO | Key removal position: Right | NC conducting position: Left
NS22-MKP-1B1B1ALRForm: Panel type (MKP) | Contact configuration: 2NC + 1NO | Key removal position: Left | NC conducting position: Right
NS22-MKP-1B1B1ARRForm: Panel type (MKP) | Contact configuration: 2NC + 1NO | Key removal position: Right | NC conducting position: Right
NS22-MKP-2B02ALLForm: Panel type (MKP) | Contact configuration: 2NC + 2NO | Key removal position: Left | NC conducting position: Left
NS22-MKP-2B02ARLForm: Panel type (MKP) | Contact configuration: 2NC + 2NO | Key removal position: Right | NC conducting position: Left
NS22-MKP-2B02ALRForm: Panel type (MKP) | Contact configuration: 2NC + 2NO | Key removal position: Left | NC conducting position: Right
NS22-MKP-2B02ARRForm: Panel type (MKP) | Contact configuration: 2NC + 2NO | Key removal position: Right | NC conducting position: Right
NS22-MKP-1B1B1BLLForm: Panel type (MKP) | Contact configuration: 3NC | Key removal position: Left | NC conducting position: Left
NS22-MKP-1B1B1BRLForm: Panel type (MKP) | Contact configuration: 3NC | Key removal position: Right | NC conducting position: Left
NS22-MKP-1B1B1BLRForm: Panel type (MKP) | Contact configuration: 3NC | Key removal position: Left | NC conducting position: Right
NS22-MKP-1B1B1BRRForm: Panel type (MKP) | Contact configuration: 3NC | Key removal position: Right | NC conducting position: Right
NS22-MKP-1B2B1ALLForm: Panel type (MKP) | Contact configuration: 3NC + 1NO | Key removal position: Left | NC conducting position: Left
NS22-MKP-1B2B1ARLForm: Panel type (MKP) | Contact configuration: 3NC + 1NO | Key removal position: Right | NC conducting position: Left
NS22-MKP-1B2B1ALRForm: Panel type (MKP) | Contact configuration: 3NC + 1NO | Key removal position: Left | NC conducting position: Right
NS22-MKP-1B2B1ARRForm: Panel type (MKP) | Contact configuration: 3NC + 1NO | Key removal position: Right | NC conducting position: Right

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