TMSS GERMANY ZCMD21 Auxiliary Switch Housing, 1NO+1NC Snap Action, IP67, Thermoplastic

Auxiliary switch housing for limit switches with one normally open and one normally closed snap action contact. The ZCMD21 provides reliable electrical switching in industrial control circuits, with screw clamp terminals for secure wiring.

Advantages

Thermoplastic housing offers durability and resistance to environmental factors. Snap action contacts ensure fast and consistent switching. IP67 protection allows use in demanding environments.

Suitable for

• Integration with ZCE series limit switch heads
• Industrial automation and control systems
• Applications requiring a compact switch body with one NO and one NC contact

Key specifications

• Contact configuration: 1 NO + 1 NC
• Contact type: Snap action
• Housing material: Thermoplastic
• Electrical connection: Screw clamp terminals
• Rated operational current (AC-15): 3 A at 240 V, 6 A at 120 V
• Rated operational current (DC-13): 0.27 A at 250 V, 0.55 A at 125 V
• Rated insulation voltage: 300 V (UL, CSA), 400 V (IEC)
• Rated impulse withstand voltage: 4 kV
• IP protection rating: IP67
• Operating temperature: -25 to 70 °C
• Mechanical durability: 10,000,000 cycles
• Electrical durability: 5,000,000 cycles
• Cable entry: 1 entry for M20 x 1.5 cable gland
• Terminal capacity: 1 x 0.34...2.5 mm² (AWG 22...AWG 14)

Recommendations

Pair with ZCE series limit switch heads for a complete limit switch assembly. Ensure cable gland size M20 x 1.5 is used for proper sealing.