Page 11 - Layout 1
P. 11
 Direct Drive Blower Motors



 M
A

Direct Drive Blower Motors
High Efficiency Direct Drive Blower R
Motors – MARS Energy Master
  S

MARS direct drive furnace blower motors Ball Bearing
 M
are three speed standard efficiency

models. All models are O
5 ⁄
MARS High Efficiency direct   
electrically reversible and include drive blower motors save T
2-1/4 inch resilient rings for base 1 ENERGY. Designed for   2 inch dia.
O
mounting. These models have all R
angle sleeve bearings and have continuous air over applications, 
such as furnace blowers or S
open air over enclosures.
central air handling units with 

single shaft requirements.

Features:

• Sleeve bearing
Features:


• Rheem mounting holes
• Optimized high 
efficiency design
• 3 speeds


• 12-15% more efficient • 1/2 inch extended thru bolts

compared to standard motors
• 2-1/4 inch resilient rings

• Permanently lubricated 
• For accessories see pages 
ball bearings
M-50 – M-54

• Rheem mounting holes

Specifications:
      
• Extended thru bolts, shaft end

• Class “B” insulation
• 3 Speeds
        
• Single phase, 60 Hertz
  
                  • Open Construction

• Thermal overload protected   • 2-1/4 resilient rings - plus 2-1/2 
• Fan duty, continuous,air over     
    split rings included

• Open construction

• 36 inch leads
  Specifications:
  
• Class “B” insulation

• UL Recognized

• Single phase, 60 Hertz

• Fan duty, continuous air over

1075 RPM – Three Speed – Reversible Rotation

• Automatic thermal overload protection 
• 36 inch leads
MARS
CAP DIMENSIONS

NO. HP ROT
VOLTS AMPS
REQ. ENCL. BRG.
A B C
      
• UL Recognized
  
10583 1/4 Rev 115 4.2 5/370 OAO Slv 4.50 4.89 1/2 
10584 1/4 Rev 208-230 1.8 5/370 OAO Slv 4.50 4.89 1/2   
1075 RPM – Reversible Rotation
  
10585 1/3 Rev 115 6.1 5/370 OAO Slv 4.50 5.14 1/2 
MARS HP VOLTS AMPS CAP ENCL. BRG.
DIMENSIONS   
10586 1/3 Rev 208-230 2.7 5/370 OAO Slv 4.50 5.14 1/2 ABC      NO. REQ.

    
10587 1/2 Rev 115 7.5 10/370 OAO Slv
4.50 5.89 1/2 4.50 8.57 1/2
  10573 1/4 115 2.9 7.5/370
OPAO Ball 
10588 1/2 Rev 208-230 3.2
4.50 5.64 1/2  7.5/370 OAO Slv OPAO Ball 10574 1/4 208-230 1.3 5/370 4.50 8.57 1/2 
    
10589 3/4 Rev 4.50 6.14 1/2 15/370 OAO Slv OPAO Ball 115 11.2 10575 1/3 115 3.9 10/370 4.50 9.08 1/2 
   
10590 3/4 Rev 4.50 6.14 1/2 10/370 OAO Slv OPAO Ball 208-230 4.5 10576 1/3 208-230 1.6 7.5/370 4.50 9.08 1/2 
10591 1 Rev 4.50 5.80 1/2 20/370 OAO Slv OPAO Ball 115 11.8 10577 1/2 115 5.2 15/370 4.50 9.78 1/2     
   
10592 1 Rev
4.50 5.80 1/2
15/370 OAO Slv
OPAO Ball 208-230 5.6
10578 1/2 208-230 2.5 10/370 4.50 9.78 1/2 
  
OPAO Ball 10579 3/4 115 8.0 20/370 4.50 10.10 1/2 
  
OPAO Ball
10580 3/4 208-230 3.5
15/370
4.50 10.10 1/2
 

 




















 
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