Testo Testo Air Quality Monitor for CO2, Humidity, Temperature, +50°C Max, 95%RH Max Part: 0632 1550

Probe head measures CO2, humidity and temperature for air quality assessment.

Phoenix Contact Phoenix Contact 4-Way MT1.5-QUATTRO-PE Earth Terminal Block, 26 → 16 AWG Wire, Screw Down, Polyamide Housing Part: 3001695

A 4-channel grounding connector block for safely wiring earth connections in electrical panels and control cabinets.

SMC SMC Multi channel controller PSE300, PNP x 2, IP40, 50mA, 12 → 24V dc Part: PSE304

Dual-channel pneumatic pressure controller with PNP outputs, 12-24V DC, compact design.

SMC SMC Multi channel controller PSE300, PNP x 2, IP40, 50mA, 12 → 24V dc Part: PSE303-LBC

Small 12V pressure control module with two switching outputs for air systems.

TE Connectivity TE Connectivity Plug In Latching Signal Relay, 24V dc Coil, 3A Switching Current, 4PDT Part: V23003B 37C110

Four-pole latching 24V plug-in relay for complex automation and switching.

RS PRO RS PRO Axial Fan, 12 V dc, DC Operation, 6.8m³/h, 840mW, 90mA Max, IP55, 30 x 30 x 10mm Part: 144-2035

Tiny waterproof DC fan with alarm function for sealed equipment.

i-Autoc i-Autoc Solid State Relay, 25 A Load, Panel Mount, 440 V ac Load, 32 V dc Control Part: KSQE380D25

25-amp three-phase relay for industrial motors and multi-phase equipment control.