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 (USD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Power Rating
Primary Voltage Rating
Secondary Voltage Rating
Mounting Style
Secondary Current Rating
Primary Winding
Secondary Winding
Length
Width
Height
Termination Style
Type
Series
Bel Signal Transformer Power Transformers - Industrial 50\60 Hz, Laminated Transformer
Datasheet
30Expected 27/08/2026
Min.: 1
Mult.: 1

56 VA 115 VAC, 230 VAC 120 V CT Chassis 500 mA Dual Primary Winding Single Secondary Winding 102.4 mm 58.5 mm 65.5 mm Quick Connects Split Bobbin Transformer 241
Bel Signal Transformer Power Transformers - Industrial 50\60 Hz, Laminated Transformer
Datasheet
40Expected 03/09/2026
Min.: 1
Mult.: 1

56 VA 115 VAC, 230 VAC 16 V CT Chassis 3.5 A Dual Primary Winding Single Secondary Winding 102.4 mm 58.5 mm 65.5 mm Quick Connects Split Bobbin Transformer 241
Bel Signal Transformer Power Transformers - Industrial 50\60 Hz, Laminated Transformer
Datasheet
53Expected 11/12/2026
Min.: 1
Mult.: 1

56 VA 115 VAC, 230 VAC 28 V CT Chassis 2 A Dual Primary Winding Single Secondary Winding 102.4 mm 58.5 mm 65.5 mm Quick Connects Split Bobbin Transformer 241
Bel Signal Transformer Power Transformers - Industrial 50\60 Hz, Laminated Transformer
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

2.4 VA 115 VAC 120 V CT Chassis 20 mA Single Primary Winding Single Secondary Winding 52.6 mm 29.6 mm 31.2 mm Quick Connects Split Bobbin Transformer 241
Bel Signal Transformer Power Transformers - Industrial 50\60 Hz, Laminated Transformer
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 150
Mult.: 75

2.4 VA 115 VAC 120 V CT Chassis 20 mA Single Primary Winding Single Secondary Winding 52.6 mm 29.6 mm 31.2 mm Screw Split Bobbin Transformer 241
Bel Signal Transformer Power Transformers - Industrial 50\60 Hz, Laminated Transformer
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 150
Mult.: 75

2.4 VA 115 VAC 12.6 V CT Chassis 200 mA Single Primary Winding Single Secondary Winding 52.6 mm 29.6 mm 31.2 mm Screw Split Bobbin Transformer 241
Bel Signal Transformer Power Transformers - Industrial 50\60 Hz, Laminated Transformer
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

2.4 VA 115 VAC 16 V CT Chassis 150 mA Single Primary Winding Single Secondary Winding 52.6 mm 29.6 mm 31.2 mm Quick Connects Split Bobbin Transformer 241
Bel Signal Transformer Power Transformers - Industrial 50\60 Hz, Laminated Transformer
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

2.4 VA 115 VAC 20 V CT Chassis 120 mA Single Primary Winding Single Secondary Winding 52.6 mm 29.6 mm 31.2 mm Quick Connects Split Bobbin Transformer 241
Bel Signal Transformer Power Transformers - Industrial 50\60 Hz, Laminated Transformer
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 150
Mult.: 75

2.4 VA 115 VAC 20 V CT Chassis 120 mA Single Primary Winding Single Secondary Winding 52.6 mm 29.6 mm 31.2 mm Screw Split Bobbin Transformer 241
Bel Signal Transformer Power Transformers - Industrial 50\60 Hz, Laminated Transformer
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 150
Mult.: 75

2.4 VA 115 VAC 24 V CT Chassis 100 mA Single Primary Winding Single Secondary Winding 52.6 mm 29.6 mm 31.2 mm Screw Split Bobbin Transformer 241
Bel Signal Transformer Power Transformers - Industrial 50\60 Hz, Laminated Transformer
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

2.4 VA 115 VAC 28 V CT Chassis 85 mA Single Primary Winding Single Secondary Winding 52.6 mm 29.6 mm 31.2 mm Screw Split Bobbin Transformer 241
Bel Signal Transformer Power Transformers - Industrial 50\60 Hz, Laminated Transformer
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 150
Mult.: 75

2.4 VA 115 VAC 36 V CT Chassis 65 mA Single Primary Winding Single Secondary Winding 52.6 mm 29.6 mm 31.2 mm Quick Connects Split Bobbin Transformer 241
Bel Signal Transformer Power Transformers - Industrial 50\60 Hz, Laminated Transformer
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 150
Mult.: 75

2.4 VA 115 VAC 36 V CT Chassis 65 mA Single Primary Winding Single Secondary Winding 52.6 mm 29.6 mm 31.2 mm Screw Split Bobbin Transformer 241
Bel Signal Transformer Power Transformers - Industrial 50\60 Hz, Laminated Transformer
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 150
Mult.: 75

2.4 VA 115 VAC 48 V CT Chassis 50 mA Single Primary Winding Single Secondary Winding 52.6 mm 29.6 mm 31.2 mm Screw Split Bobbin Transformer 241
Bel Signal Transformer Power Transformers - Industrial 50\60 Hz, Laminated Transformer
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 150
Mult.: 75

2.4 VA 115 VAC 56 V CT Chassis 45 mA Single Primary Winding Single Secondary Winding 52.6 mm 29.6 mm 31.2 mm Quick Connects Split Bobbin Transformer 241
Bel Signal Transformer Power Transformers - Industrial 50\60 Hz, Laminated Transformer
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 150
Mult.: 75

2.4 VA 115 VAC 56 V CT Chassis 45 mA Single Primary Winding Single Secondary Winding 52.6 mm 29.6 mm 31.2 mm Screw Split Bobbin Transformer 241
Bel Signal Transformer Power Transformers - Industrial 50\60 Hz, Laminated Transformer
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 100
Mult.: 50

6 VA 115 VAC 10 V CT Chassis 600 mA Single Primary Winding Single Secondary Winding 60.3 mm 33.3 mm 36.2 mm Quick Connects Split Bobbin Transformer 241
Bel Signal Transformer Power Transformers - Industrial 50\60 Hz, Laminated Transformer
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 100
Mult.: 50

6 VA 115 VAC 10 V CT Chassis 600 mA Single Primary Winding Single Secondary Winding 60.3 mm 33.3 mm 36.2 mm Screw Split Bobbin Transformer 241
Bel Signal Transformer Power Transformers - Industrial 50\60 Hz, Laminated Transformer
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 100
Mult.: 50

6 VA 115 VAC 120 V CT Chassis 50 mA Single Primary Winding Single Secondary Winding 60.3 mm 33.3 mm 36.2 mm Screw Split Bobbin Transformer 241
Bel Signal Transformer Power Transformers - Industrial 50\60 Hz, Laminated Transformer
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 100
Mult.: 50

6 VA 115 VAC 12.6 V CT Chassis 500 mA Single Primary Winding Single Secondary Winding 60.3 mm 33.3 mm 36.2 mm Screw Split Bobbin Transformer 241
Bel Signal Transformer Power Transformers - Industrial 50\60 Hz, Laminated Transformer
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 100
Mult.: 50

6 VA 115 VAC 16 V CT Chassis 400 mA Single Primary Winding Single Secondary Winding 60.3 mm 33.3 mm 36.2 mm Screw Split Bobbin Transformer 241
Bel Signal Transformer Power Transformers - Industrial 50\60 Hz, Laminated Transformer
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 100
Mult.: 50

6 VA 115 VAC 20 V CT Chassis 300 mA Single Primary Winding Single Secondary Winding 60.3 mm 33.3 mm 36.2 mm Screw Split Bobbin Transformer 241
Bel Signal Transformer Power Transformers - Industrial 50\60 Hz, Laminated Transformer
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 100
Mult.: 50

6 VA 115 VAC 24 V CT Chassis 250 mA Single Primary Winding Single Secondary Winding 60.3 mm 33.3 mm 36.2 mm Screw Split Bobbin Transformer 241
Bel Signal Transformer Power Transformers - Industrial 50\60 Hz, Laminated Transformer
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 100
Mult.: 50

6 VA 115 VAC 28 V CT Chassis 200 mA Single Primary Winding Single Secondary Winding 60.3 mm 33.3 mm 36.2 mm Screw Split Bobbin Transformer 241
Bel Signal Transformer Power Transformers - Industrial 50\60 Hz, Laminated Transformer
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

6 VA 115 VAC 36 V CT Chassis 170 mA Single Primary Winding Single Secondary Winding 60.3 mm 33.3 mm 36.2 mm Quick Connects Split Bobbin Transformer 241