Electronic Door SwitchEconomy, security and noise reduction for delivery operations - at an attractive price

Temperature, front compartment

Set point, front compartment

Temperature, rear compartment

Set point, rear compartment

Door openings

Thermo King Corporation NCI Building - 4th Floor, Culliganlaan 1B, 1831 Diegem, Belgium.

Return Air Temperatures of a Two-Compartment, Multi-Temp. Trailer with and without Door Switches

© 2006 Ingersoll-Rand Company Limited TK 52539-3-PL E (Rev.1, 2-06)

• Reduced run time: less maintenance & lower fuel consumption

• Less heat gain into the load at delivery: improved temperature control

• Greater security: door opening events can be logged or trigger an alarm

• Greater safety: automatically turn interior trailer lights on and off as they

are needed

• Zero refrigeration unit noise during derlivery

When door is closed, cooling system is engaged.

When door is opened, cooling system is engaged.

Can be retrofitted on all trailer and truck applications.

Part numbers:

• 400907: 2 Wire Switch for units without Microprocessor.

• 400906: 3 Wire Switch for units with Microprocessor.

Trailer Without Rear Door Switches

Trailer With Rear Door Switches

Providing equipment and services to manage controlled-temperature environments for food and other perishables, our

Climate Control Technologies sector encompasses both transport and stationary refrigeration solutions. Our product

brands include Thermo King®, a world leader in transport temperature control system and Hussmann®, a manufacturer

of refrigeration and food merchandising equipment.

www.thermoking.com www.hussmann.com www.ingersollrand.com

2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

Time (Hours)

26.6

21.1

15.5

10

4.4

-1.1

-6.6

-12.2

-17.7

-23.3

Deg

rees

C°

2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

Time (Hours)

26.6

21.1

15.5

10

4.4

-1.1

-6.6

-12.2

-17.7

-23.3

Deg

rees

C°

Pull down and load

Pull down and load

Low profile, durable switch.

Automatically turns off refrigeration unit when door is opened and restarts whendoor is closed.