Transformers
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Dimensions, Approximate |
Electrical Ratings |
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(Primary |
(Secondary |
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NEMA |
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Product Number |
(inch) |
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(mm) |
Voltage) |
Voltage) |
(Output) |
Mounting |
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Rating |
Includes |
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AT150A1007/U |
1 11/16 in. high x |
43 mm high x |
120 |
Vac, |
27.5 V.O.C. |
24 Vac at |
Foot mounted, plate mounted on 2x4 in. |
No |
Metal end |
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3 |
3/16 in. wide x |
81 mm wide x |
208 |
Vac, |
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50 VA |
or 4x4 in. outlet box, clamp mounted |
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bells |
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1 |
3/4 in. deep |
75 mm deep |
240 |
Vac |
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using outlet box knockout, or panel |
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mounted |
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AT150B1146/U |
1 11/16 in. high x |
43 mm high x |
120 |
Vac, |
— |
24 Vac at |
Foot-mounted |
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No |
— |
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3 |
1/2 in. wide x |
89 mm wide x |
208 |
Vac, |
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50 VA |
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1 |
3/4 in. deep |
75 mm deep |
240 |
Vac |
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AT150B1252/U |
1 11/16 in. high x |
43 mm high x |
277 |
Vac |
27.5 V.O.C. |
24 Vac at |
Foot-mounted |
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No |
Plastic |
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3 |
1/2 in. wide x |
89 mm wide x |
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50 VA |
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end caps |
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1 |
3/4 in. deep |
75 mm deep |
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AT175A1008/U |
3 |
3/16 in. high x |
81 mm high x |
120 |
Vac, |
27.5 V.O.C. |
24 Vac at |
Foot mounted, plate mounted on 2x4 in. |
NEMA |
Metal end |
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2 |
3/8 in. wide x |
60 mm wide x |
208 |
Vac, |
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75 VA |
or 4x4 in. outlet box, clamp mounted |
type E |
bells |
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3 |
5/8 deep |
92 mm deep |
240 |
Vac |
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using outlet box knockout, or panel |
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mounted |
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Dimensions in inches (millimeters) |
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PLATE OR OUTLET BOX |
PLATE MOUNTED AT THE |
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FOOT MOUNTED |
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MOUNTING PLATE |
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MOUNTED AT CLAMP |
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LAMINATIONS (3/4 ABOVE |
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3-1/16 (78) |
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3-3/8 (86) |
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ON END BELL (ALL |
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PLATE MOUNTING) |
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1/8 (3) |
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ABOVE PLATE MOUNTING) |
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2-15/16 (76) |
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1-1/16 |
2 (51) |
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(27) |
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3-7/32 |
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82 |
1/8 |
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1/4 |
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2-1/4 |
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(6) |
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(57) |
(3) |
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4-3/16 |
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(106) |
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2-3/8 |
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(60) 2 |
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3-3/8 |
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D |
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(51) |
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(86) |
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1-3/4 |
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(44) |
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2-3/8 |
5/16 (8) |
3 -1/4 (83) |
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(60) |
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M17509A |
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AT140 General Purpose Transformer for Hydronic Heating Controls
Provide power to 24 Vac circuits in heating/cooling control systems. Intended for use in systems with predictable, uniform loads. Can be used in any application that does not exceed the listed ratings.
• Color-coded leadwires for primary connections and screw terminals for secondary connections, fixed 1/4 inch (6 mm) male quickconnects or color-coded leadwires for both primary and secondary, are standard.
• Meet NEC Class 2 requirements.
• Meet Underwriters Laboratories Inc. Standard UL 1585 and are identified. Class 2 not wet, Class 3 wet.
<![endif]>Residential
<![if ! IE]><![endif]>Controls Combustion
Temperature Rating: -20 F to +105 F (-29 C to +41 C)
Frequency: 60 Hz
Electrical Connections (main):
Primary: 9 in. leadwires (229 mm leadwires) Secondary: (2) screw terminals
Approvals
Canadian Standards Association: CSA Certified: A & B models. Underwriters Laboratories, Inc: UL Listed: A,C,F models. File #
E14881
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Dimensions, Approximate |
Electrical Ratings |
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(Primary |
(Secondary |
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Product Number |
(inch) |
(mm) |
Voltage) |
Voltage) |
(Output) |
Mounting |
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AT140A1034/U |
3 3/16 in. high x |
81 mm high x |
120 Vac |
27 V.O.C. |
24 |
Vac at |
Foot mounted, plate mounted on 2x4 in. or 4x4 in. outlet box, |
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2 |
3/8 in. wide x |
60 mm wide x |
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20 |
VA |
clamp mounted using outlet box knockout, or panel mounted |
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3 |
1/8 in. deep |
79 mm deep |
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70-6910 |
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159 |
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