DU & SU Step-Up or Step-Down Transformers

Signal Transformer / Bel DU and SU Industrial Grade Step-Up or Step-Down Transformers allow users to adapt voltages for worldwide applications. The transformers are designed to provide a multitude of step-up or step-down voltage configurations to accommodate various input voltages. The series has a power rating of 250VA to 10kVA and a 2500Vrms hipot dielectric strength. Signal Transformer / Bel DU and SU Transformers feature plated brass screw-type terminals and can be chassis or rack-mounted.

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Series
Bel Signal Transformer Power Transformers - Industrial TRANSFORMER POWER ISO DU
Datasheet
14May Stock
Min.: 1
Mult.: 1

500 VA 104 VAC/110 VAC/120 VAC/208 VAC/220 VAC/230 VAC/240 VAC 0 V/0 V/104 V/110 V/120 V/208 V/220 V/240 V Chassis 2.3 A/4.6 A Dual Primary Winding Dual Secondary Winding 134.9 mm 134.9 mm 133.4 mm Screw DU/SU
Bel Signal Transformer Power Transformers - Industrial TRANSFORMER POWER ISO SU
Datasheet
16May Stock
Min.: 1
Mult.: 1

500 VA 104 VAC/110 VAC/120 VAC/208 VAC/220 VAC/230 VAC/240 VAC 0 V/0 V/208 V/220 V/240 V/416 V/440 V/480 V Chassis 1.15 A/2.3 A Dual Primary Winding Dual Secondary Winding 134.9 mm 134.9 mm 133.4 mm Screw DU/SU
Bel Signal Transformer Power Transformers - Industrial TRANSFORMER SPLIT-TRAN DST-7
Datasheet
11May Stock
Min.: 1
Mult.: 1

1 kVA 104 VAC/110 VAC/120 VAC/208 VAC/220 VAC/230 VAC/240 VAC 0 V/0 V/104 V/110 V/120 V/208 V/220 V/240 V Chassis 4.5 A/9 A Dual Primary Winding Dual Secondary Winding 192.1 mm 158.8 mm 187.3 mm Screw DU/SU
Bel Signal Transformer Power Transformers - Industrial TRANSFORMER POWER ISO DU
Datasheet
12May Stock
Min.: 1
Mult.: 1

250 VA 104 VAC/110 VAC/120 VAC/208 VAC/220 VAC/230 VAC/240 VAC 0 V/0 V/104 V/110 V/120 V/208 V/220 V/240 V Chassis 1.1 A/2.2 A Dual Primary Winding Dual Secondary Winding 134.9 mm 107.9 mm 133.4 mm Screw DU/SU
Bel Signal Transformer Power Transformers - Industrial TRANSFORMER POWER ISO DU
Datasheet
8May Stock
Min.: 1
Mult.: 1

10 kVA 104 VAC/110 VAC/120 VAC/208 VAC/220 VAC/230 VAC/240 VAC 0 V/0 V/104 V/110 V/120 V/208 V/220 V/240 V Chassis 41 A/82 A Dual Primary Winding Dual Secondary Winding 228.6 mm 330.2 mm 203.2 mm Screw DU/SU
Bel Signal Transformer Power Transformers - Industrial TRANSFORMER POWER ISO SU
Datasheet
6May Stock
Min.: 1
Mult.: 1

250 VA 104 VAC/110 VAC/120 VAC/208 VAC/220 VAC/230 VAC/240 VAC 0 V/0 V/208 V/220 V/240 V/416 V/440 V/480 V Chassis 550 mA/1.1 A Dual Primary Winding Dual Secondary Winding 134.9 mm 107.9 mm 133.4 mm Screw DU/SU
Bel Signal Transformer Power Transformers - Industrial TRANSFORMER POWER ISO SU
Datasheet
9May Stock
Min.: 1
Mult.: 1

3 kVA 104 VAC/110 VAC/120 VAC/208 VAC/220 VAC/230 VAC/240 VAC 0 V/0 V/208 V/220 V/240 V/416 V/440 V/480 V Chassis 7 A/14 A Dual Primary Winding Dual Secondary Winding 192.1 mm 234.9 mm 187.3 mm Screw DU/SU
Bel Signal Transformer Power Transformers - Industrial TRANSFORMER POWER ISO DU
Datasheet
7May Stock
Min.: 1
Mult.: 1

2 kVA 104 VAC/110 VAC/120 VAC/208 VAC/220 VAC/230 VAC/240 VAC 0 V/0 V/104 V/110 V/120 V/208 V/220 V/240 V Chassis 9 A/18 A Dual Primary Winding Dual Secondary Winding 192.1 mm 209.6 mm 187.3 mm Screw DU/SU
Bel Signal Transformer Power Transformers - Industrial TRANSFORMER POWER ISO DU
Datasheet
4May Stock
Min.: 1
Mult.: 1

5 kVA 104 VAC/110 VAC/120 VAC/208 VAC/220 VAC/230 VAC/240 VAC 0 V/0 V/104 V/110 V/120 V/208 V/220 V/240 V Chassis 23 A/46 A Dual Primary Winding Dual Secondary Winding 192.1 mm 273.1 mm 187.3 mm Screw DU/SU
Bel Signal Transformer Power Transformers - Industrial TRANSFORMER POWER ISO SU
Datasheet
3May Stock
Min.: 1
Mult.: 1

2 kVA 104 VAC/110 VAC/120 VAC/208 VAC/220 VAC/230 VAC/240 VAC 0 V/0 V/208 V/220 V/240 V/416 V/440 V/480 V Chassis 4.5 A/9 A Dual Primary Winding Dual Secondary Winding 192.1 mm 209.6 mm 187.3 mm Screw DU/SU
Bel Signal Transformer Power Transformers - Industrial TRANSFORMER POWER ISO SU
Datasheet
6May Stock
Min.: 1
Mult.: 1

5 kVA 104 VAC/110 VAC/120 VAC/208 VAC/220 VAC/230 VAC/240 VAC 0 V/0 V/208 V/220 V/240 V/416 V/440 V/480 V Chassis 11.5 A/23 A Dual Primary Winding Dual Secondary Winding 192.1 mm 273.1 mm 187.3 mm Screw DU/SU
Bel Signal Transformer Power Transformers - Industrial TRANSFORMER POWER ISO DU
Datasheet
1May Stock
Min.: 1
Mult.: 1

3 kVA 104 VAC/110 VAC/120 VAC/208 VAC/220 VAC/230 VAC/240 VAC 0 V/0 V/104 V/110 V/120 V/208 V/220 V/240 V Chassis 14 A/28 A Dual Primary Winding Dual Secondary Winding 192.1 mm 234.9 mm 187.3 mm Screw DU/SU
Bel Signal Transformer Power Transformers - Industrial TRANSFORMER POWER ISO DU
Datasheet
Lead-Time para sa Hindi Naka-stock 16 (na) Linggo
Min.: 5
Mult.: 5

7.5 kVA 104 VAC/110 VAC/120 VAC/208 VAC/220 VAC/230 VAC/240 VAC 0 V/0 V/104 V/110 V/120 V/208 V/220 V/240 V Chassis 31 A/62 A Dual Primary Winding Dual Secondary Winding 228.6 mm 273.1 mm 203.2 mm Screw DU/SU
Bel Signal Transformer Power Transformers - Industrial 4-40X1-3/8 SLOTTED PAN SCREW
Datasheet
10Inaasahan 12/11/2026
Min.: 1
Mult.: 1

1 kVA 104 VAC/110 VAC/120 VAC/208 VAC/220 VAC/230 VAC/240 VAC 0 V/0 V/208 V/220 V/240 V/416 V/440 V/480 V Chassis 2.25 A/4.5 A Dual Primary Winding Dual Secondary Winding 192.1 mm 158.8 mm 187.3 mm Screw DU/SU
Bel Signal Transformer Power Transformers - Industrial TRANSFORMER POWER ISO SU
Datasheet
Lead-Time para sa Hindi Naka-stock 16 (na) Linggo
Min.: 5
Mult.: 5

10 kVA 104 VAC/110 VAC/120 VAC/208 VAC/220 VAC/230 VAC/240 VAC 0 V/0 V/208 V/220 V/240 V/416 V/440 V/480 V Chassis 20.5 A/41 A Dual Primary Winding Dual Secondary Winding 228.6 mm 330.2 mm 203.2 mm Screw DU/SU
Bel Signal Transformer Power Transformers - Industrial TRANSFORMER POWER ISO SU
Datasheet
Lead-Time para sa Hindi Naka-stock 16 (na) Linggo
Min.: 5
Mult.: 5

7.5 kVA 104 VAC/110 VAC/120 VAC/208 VAC/220 VAC/230 VAC/240 VAC 0 V/0 V/208 V/220 V/240 V/416 V/440 V/480 V Chassis 15.5 A/31 A Dual Primary Winding Dual Secondary Winding 228.6 mm 273.1 mm 203.2 mm Screw DU/SU