71R1704 Red Dot Relay SPDT 24V 20/10 Amp (5-Terminal)

The Red Dot 71R1704 Relay is a heavy-duty SPDT (Single Pole Double Throw) relay designed for 24-volt mobile HVAC and vehicle electrical systems. Rated at 20/10 amps (make/break), this relay provides dependable switching for control, blower, and auxiliary circuits in trucks and equipment that operate on 24V systems.

Its 5-terminal configuration with standard 1/4″ male blade terminals allows easy integration into common wiring harnesses and relay blocks. The compact footprint makes it ideal for crowded relay panels, HVAC control boxes, and equipment harness assemblies where space is limited but reliability is critical.

• Part Type: Relay

• Red Dot Part No.: 71R1704

• Red Dot Factory No.: RD-5-4417-0P

• Voltage Rating: 24V

• Pole: SPDT (Single Pole Double Throw)

• Current Rating: 20/10 Amp (Make/Break)

• Terminal / Harness: 5-Terminal

• Terminal Type: 1/4″ Male Blade

Dimensions

• Base Length: 1-1/8″

• Base Width: 1″

• Overall Length: 2.05″

• Blade Length: 1/2″

Features & Benefits

• SPDT design for flexible control circuit switching

• 20/10A make/break rating for 24V systems

• Standard 1/4″ blade terminals for easy harnessing

• Compact size for tight relay panels and control boxes

• Built for mobile HVAC and heavy-duty vehicle environments

Cross Reference Numbers

Texas Truck A/C: 850-7752, 850-7752A
AirSource / MEI: 1251
Alliance: ABP N83 320180, ABP N83 320280
Altair: 896H-1CH-C1S24VDC
Climatech: CB1075, CB10750
CoolStar / MEI: 940-1221
Euclid: E-807530
Fleetrite: ZGG713002
Kysor: 2099009 (Old: 222166)
Mobile Climate Control: 112-019, 201-804, 221-711
Omega: 30-13319-P, 30-13428
PACCAR: 650690, 650690BSM
Primatech: PTAC1251
Red Dot (Aftermarket): 71R1704
Red Dot (Factory): RD-5-4417-0P
Trans Air: 112019
Truck Air / MEI: 11-3004, 44869
TruckAC+: T5303
TTA/C: 13-4501
Volvo: 176290, RDHRD544170P
Western Star: 0332-204-203
Carrier / MCC: 201-804, 221-711
JBAR: 405489
Mack: 4379-RD544170

Interchange Numbers

03-01704, 0332-204-203, 11-3004, 112019, 1251, 1546109, 176290, 201-804, 2099023, 221-711, 232-8407, 36102, 405489, 4379-RD544170, 4379-RD544170P, 650690, 650690BSM, 71R1704, 850-7752, 940-1221, ABP N83 320180, ABP N83 320280, CB10750, E-807530, RDHRD544170P, RDT71R1704, SWI5721, ZGG713002