Two-4-One™ Power Transformers

Signal Transformer/Bel Two-4-One™ Power Transformers use split bobbin construction that provides superior isolation and low capacitive coupling. These transformers offer chassis mounting style, single or dual primary winding, and a single secondary winding.The two-4-one transformers are available in 241 series and 241-L series, where the 241-L transformers offer lead wires. Both the 241 and the 241-L series are UL recognized to UL 506/UL 5085-1, File # E63829 and CSA certified to C22.2 #66.1, File # 221070.

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Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Primary Voltage Rating
Secondary Voltage Rating
Power Rating
Secondary Current Rating
Mounting Style
Primary Winding
Secondary Winding
Length
Width
Height
Series
Bel Signal Transformer Power Transformers 50\60 Hz, Laminated Transformer
Datasheet
24In Stock
Min.: 1
Mult.: 1

115 VAC, 230 VAC 120 V CT 30 VA 250 mA Chassis Dual Primary Winding Single Secondary Winding 82.6 mm 44.3 mm 49.8 mm 241
Bel Signal Transformer Power Transformers 50\60 Hz, Laminated Transformer
Datasheet
50In Stock
Min.: 1
Mult.: 1

115 VAC 10 V CT 30 VA 3 A Chassis Single Primary Winding Single Secondary Winding 82.6 mm 44.3 mm 49.8 mm 241
Bel Signal Transformer Power Transformers 50\60 Hz, Laminated Transformer
Datasheet
39In Stock
Min.: 1
Mult.: 1

115 VAC 48 V CT 56 VA 1.2 A Chassis Single Primary Winding Single Secondary Winding 93.5 mm 49.2 mm 57.8 mm 241
Bel Signal Transformer Power Transformers 50\60 Hz, Laminated Transformer
Datasheet
71In Stock
Min.: 1
Mult.: 1

115 VAC 16 V CT 2.4 VA 150 mA Chassis Single Primary Winding Single Secondary Winding 52.6 mm 29.6 mm 31.2 mm 241
Bel Signal Transformer Power Transformers 50\60 Hz, Laminated Transformer
Datasheet
30In Stock
Min.: 1
Mult.: 1

115 VAC 16 V CT 100 VA 6.25 A Chassis Single Primary Winding Single Secondary Winding 102.4 mm 58.5 mm 65.5 mm 241
Bel Signal Transformer Power Transformers 50\60 Hz, Laminated Transformer
Datasheet
79In Stock
Min.: 1
Mult.: 1

115 VAC, 230 VAC 20 V CT 56 VA 2.8 A Chassis Dual Primary Winding Single Secondary Winding 102.4 mm 58.5 mm 65.5 mm 241
Bel Signal Transformer Power Transformers 50\60 Hz, Laminated Transformer
Datasheet
80In Stock
Min.: 1
Mult.: 1

115 VAC, 230 VAC 24 V CT 100 VA 200 mA Chassis Dual Primary Winding Single Secondary Winding 102.4 mm 58.5 mm 65.5 mm 241
Bel Signal Transformer Power Transformers 50\60 Hz, Laminated Transformer
Datasheet
12In Stock
Min.: 1
Mult.: 1

115 VAC 24 V CT 2.4 VA 100 mA Chassis Single Primary Winding Single Secondary Winding 52.6 mm 29.6 mm 31.2 mm 241
Bel Signal Transformer Power Transformers 50\60 Hz, Laminated Transformer
Datasheet
28In Stock
Min.: 1
Mult.: 1

115 VAC 28 V CT 2.4 VA 85 mA Chassis Single Primary Winding Single Secondary Winding 52.6 mm 29.6 mm 31.2 mm 241
Bel Signal Transformer Power Transformers 50\60 Hz, Laminated Transformer
Datasheet
114In Stock
Min.: 1
Mult.: 1

115 VAC 20 V CT 6 VA 300 mA Chassis Single Primary Winding Single Secondary Winding 60.3 mm 33.3 mm 36.2 mm 241
Bel Signal Transformer Power Transformers 50\60 Hz, Laminated Transformer
Datasheet
29In Stock
100Expected 26/3/2026
Min.: 1
Mult.: 1

115 VAC 24 V CT 6 VA 250 mA Chassis Single Primary Winding Single Secondary Winding 60.3 mm 33.3 mm 36.2 mm 241
Bel Signal Transformer Power Transformers 50\60 Hz, Laminated Transformer
Datasheet
89In Stock
Min.: 1
Mult.: 1

115 VAC 10 V CT 12 VA 1.2 A Chassis Single Primary Winding Single Secondary Winding 71.4 mm 36.3 mm 42.8 mm 241
Bel Signal Transformer Power Transformers 50\60 Hz, Laminated Transformer
Datasheet
89In Stock
Min.: 1
Mult.: 1

115 VAC 12.6 V CT 12 VA 1 A Chassis Single Primary Winding Single Secondary Winding 71.4 mm 36.3 mm 42.8 mm 241
Bel Signal Transformer Power Transformers 50\60 Hz, Laminated Transformer
Datasheet
100In Stock
Min.: 1
Mult.: 1

115 VAC 16 V CT 12 VA 800 mA Chassis Single Primary Winding Single Secondary Winding 71.4 mm 36.3 mm 42.8 mm 241
Bel Signal Transformer Power Transformers 50\60 Hz, Laminated Transformer
Datasheet
43In Stock
Min.: 1
Mult.: 1

115 VAC 48 V CT 12 VA 250 mA Chassis Single Primary Winding Single Secondary Winding 71.4 mm 36.3 mm 42.8 mm 241
Bel Signal Transformer Power Transformers 50\60 Hz, Laminated Transformer
Datasheet
47In Stock
Min.: 1
Mult.: 1

115 VAC 16 V CT 30 VA 2 A Chassis Single Primary Winding Single Secondary Winding 82.6 mm 44.3 mm 49.8 mm 241
Bel Signal Transformer Power Transformers 50\60 Hz, Laminated Transformer
Datasheet
22In Stock
Min.: 1
Mult.: 1

115 VAC 10 V CT 56 VA 5 A Chassis Single Primary Winding Single Secondary Winding 93.5 mm 49.2 mm 57.8 mm 241
Bel Signal Transformer Power Transformers 50\60 Hz, Laminated Transformer
Datasheet
12In Stock
Min.: 1
Mult.: 1

115 VAC 12.6 V CT 56 VA 4 A Chassis Single Primary Winding Single Secondary Winding 93.5 mm 49.2 mm 57.8 mm 241
Bel Signal Transformer Power Transformers 50\60 Hz, Laminated Transformer
Datasheet
34In Stock
Min.: 1
Mult.: 1

115 VAC 24 V CT 56 VA 2.4 A Chassis Single Primary Winding Single Secondary Winding 93.5 mm 49.2 mm 57.8 mm 241
Bel Signal Transformer Power Transformers 50\60 Hz, Laminated Transformer
Datasheet
18In Stock
Min.: 1
Mult.: 1

115 VAC 24 V CT 56 VA 2.4 A Chassis Single Primary Winding Single Secondary Winding 93.5 mm 49.2 mm 57.8 mm 241
Bel Signal Transformer Power Transformers 50\60 Hz, Laminated Transformer
Datasheet
11In Stock
Min.: 1
Mult.: 1

115 VAC 28 V CT 56 VA 2 A Chassis Single Primary Winding Single Secondary Winding 93.5 mm 49.2 mm 57.8 mm 241
Bel Signal Transformer Power Transformers 50\60 Hz, Laminated Transformer
Datasheet
24In Stock
Min.: 1
Mult.: 1

115 VAC 36 V CT 56 VA 1.5 A Chassis Single Primary Winding Single Secondary Winding 93.5 mm 49.2 mm 57.8 mm 241
Bel Signal Transformer Power Transformers 50\60 Hz, Laminated Transformer
Datasheet
15In Stock
Min.: 1
Mult.: 1

115 VAC 20 V CT 100 VA 5 A Chassis Single Primary Winding Single Secondary Winding 102.4 mm 58.5 mm 65.5 mm 241
Bel Signal Transformer Power Transformers 50\60 Hz, Laminated Transformer
Datasheet
1In Stock
Min.: 1
Mult.: 1

115 VAC 48 V CT 100 VA 2 A Chassis Single Primary Winding Single Secondary Winding 102.4 mm 58.5 mm 65.5 mm 241
Bel Signal Transformer Power Transformers 50\60 Hz, Laminated Transformer
Datasheet
9In Stock
Min.: 1
Mult.: 1

115 VAC, 230 VAC 12.6 V CT 6 VA 500 mA Chassis Dual Primary Winding Single Secondary Winding 60.3 mm 33.3 mm 36.2 mm 241