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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Industrial Automation
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Power Transformers - Industrial

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Bel Signal Transformer Power Transformers - Industrial 50\60 Hz, Laminated Transformer
Datasheet
53Expected 12/11/2026
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.: 1
Mult.: 1

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
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 48 V CT Chassis 125 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 56 V CT Chassis 110 mA Single Primary Winding Single Secondary Winding 60.3 mm 33.3 mm 36.2 mm Screw Split Bobbin Transformer 241