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Datasheet generated 2026-10-07
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Bell Transformer TM 30/12 (2CSM228755R0802)

ABB · Electrical Components · Transformers · Switzerland · abb.com
Part Number
2CSM228755R0802  ·  HS 8504.31
Bell Transformer TM 30/12 (2CSM228755R0802)

ABB 2CSM228755R0802 — These transformers, with safety extremely-low voltage secondary (SELV), are suitable for driving loads that call for a discontinuous supply.

Technical Specifications

Manufacturer part number (MPN)2CSM228755R0802
EAN / GTIN8012542287551
Sales unitpcs
ApplicationResidential
Power Supply30 V·A
Insulation ClassB
Tightening Torque0.5 N·m
Transformer TypeFail - Safe Bell Transformers
Options ProvidedNone
RemarksSuitable for loads that require a discontinuous supply. Double insulation between primary and secondary windings
Connecting Capacity2.5 mm²
Wire Stripping Length9 mm
Primary Voltage230 V
Secondary Voltage(6-7) 4 V AC; (5-6) 8 V AC; (5-7) 12 V AC
Secondary Current2.5 A
Output Current Maximum (I out )7.5 A
Rated Frequency (f)50/60 Hz
Power LossTotal 3 W
Rated Output Power30 W
Connecting Capacity UL/CSA14 AWG
Ambient Air TemperatureOperation +10 ... +40 °C
Degree of ProtectionIP20
Width in Number of Modular Spacings3
Product Net Width52.5 mm
Product Net Height85 mm
Product Net Depth / Length65 mm
CAD Dimensional Drawing9AKK106930A4671; 9AKK106930A4719
Declaration of Conformity - CE9AKK106713A5640
IMQ Certificate9AKK107992A6761
Wiring Diagram9AKK108467A7355
ETIM 9EC001547 - Bell transformer
UNSPSC39121026
eClassV11.0 : 27031190
Object Classification CodeT
StandardsIEC/EN 61558-2-8
Certification AgencyIMQ
Width52.5 mm
Height85 mm
Type of transformerStandard bell ringing transformer
With on/off switchNo
Max. output current7.5 A
Length65 mm
Max. output power30 W
Surface mountingNo
Short-circuit protectedYes
Secondary voltage 14 V
Secondary voltage 28 V
Secondary voltage 312 V
Secondary amperage 17.5 A
Secondary amperage 23.75 A
Secondary amperage 32.5 A
Temperature protectionNo
Max. power loss4 W
Flush-mounted installationNo
Country of originRomania

Properties

MOQ1

Cross-References

Attached Documents