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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

PET-24vAC   same as above but modified for 24v power supply

TM-615 LOW COST BASIC CHINESE 7 DAY TIME SWITCH 

(SAME FEATURES AS PET010 MINUS MANUAL ON I/P)

24 Volt AC Transformers

Water Flow Proving Switches

Air Differential Pressure Switches

HVAC26 UNIVERSAL A/C CONTROL PCB

FIGM6  FIRE MODE 6 RELAY INTERFACE

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                24v/240v Relay Interface Module

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

HIM-FAN3SPD   24/240V Relay interface for 3-Speed Fan

                            & common auxiliary relay

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

YOP4-240v     4x 0-10vDC Manual signal supply 240v powered       

YOP4-24v        as above but 24vAC or DC powered

PYOP4-240v     as above but panel mount

PYOP4-24v       24vAC/DC panel mount version

ACDO-240v     Delay ONor OFF TIMER 30s ~ 5 min.

 Typical applications include: Fan or Pump run on timer, Apartment Air conditioner off interlock with door or window switch.

ACDO-24v  as above but 24v powered.

HUDT-24v       Universal 16hr Timer 24v powered digital programmable multipurpose timer module, low voltage trigger I/P, capable of switching 240v 10A (res.) loads.

HRT-240v        2 hour RUN TIMER 240vAC powered                       Timer built on Clipsal 2000 wall plate c/w push button and led for delay on timer applications for up to 2 hours run time. Typical application is meeting room A/C wall mounted run timer.      External run & fault indication version also available (HRT-RF-240v)

AWIF-24v       24vAC POWERED 12vDC RELAY INTERFACE

Typical application is as a low voltage interface for A/C unit Run & Fault outputs that must work with 12vDC external circuits.This model responds to a 12vdc switched active input. alternatively for model to respond to a switched 12vdc negative use NWIF model.

AWIF-240v      240vAC POWERED 12vDC RELAY INTERFACE

As above but 240v powered.

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