LINK TO ONLINE STORE FOR COSTINGS

 

   

HEVAC Multistage Delay Timers HDT6

6 relay staggered start power up timer 

                      

HEVAC Lamp Test Modules

also diode Hi-Signal selector version

 

 

HEVAC Electronic Air Flow Switch HAFS

Adjustable trigger point 0.5 ~ 10 m/s

 

 

SEH62.1  SIEMENS 7 DAY TIME SWITCH

                 C/W AFTER HOURS TIMER

 

 

PET010 BASIC 7 DAY TIME SWITCH

   

24 Volt AC Transformers

 

 

Water Flow Proving Switches

 

 

 

Air Differential Pressure Switches

 

 

 

HVAC26 UNIVERSAL A/C CONTROL PCB

 

 

 

 

0-10vDC RELAY EXPANSION MODULE
SEZ-QUAD

4 x 0-10v controlled relays with independently adjustable turn-on point & switching differentials. includes signal doubler/inverter circuit.

 

 

 

SEZ-HAUX-HS  0-10v Multi I/O Expansion Module

c/w Signal Amplifier, Signal Doubler, Signal Inverter, 2 x 0-10v controlled relays & hi-signal selector.

 

SEZ-HAUX-LS  0-10v Multi I/O Expansion Module

as above but low signal selector in lieu of hi-signal selector

 

SEZ-HAUX-AV  0-10v Multi I/O Expansion Module

as above but averaging signal selector in lieu of hi-signal selector

 

HYSA4   0-10v Signal Amplifier only (1 in 4 out)

  

 

 

 

 

HIM5                240v/24v Relay Interface Module

HIM5-R5-20A  240v/24v Relay Interface Module

 

 

   

HWE3 24v Wire Saver / CT

HWE2-3 Wiring extender. converts 2 wires into virtual 3 wires

HWE3-4 Wiring extender. converts 3 wires into virtual 4 wires

   

 

 

 

RRM3  low cost & size 3 stage 0-10v controlled relay module

 

 

 

 

 

ECF1 24vAC Powered EC fan speed setting module.               Manual fixed speed setting or interlocked with an external          0-10vDC control signal to set the minimum and maximum output range includes on/off enable input.

 

OPCC    Output capacity control module 

upto 10 digital inputs to generate proportional 0-10vdc o/p

   
     

LT-MECF-240v     240v powered variable 0-10vDC output module

used for manual EC fan speed setting or Damper motor positioner

 

   

MCS Minature Current Switch >50A

 

CCS Current Switch >200A

 

Corridor Ventilation Control

 

 

 

   

DS34 Adjustable water differential pressure switch