FL 42/18

Safety isolating transformer

Version FL 42/18

Rated input voltage 2 x 115 Vac Rated output voltage 2 x 18 Vac Power 42 VA

Version	Rated input voltage	Rated output voltage	Power
FL 2/5	2 x 115 Vac	2 x 5 Vac	2 VA
FL 2/6	2 x 115 Vac	2 x 6 Vac	2 VA
FL 2/8	2 x 115 Vac	2 x 8 Vac	2 VA
FL 2/9	2 x 115 Vac	2 x 9 Vac	2 VA
FL 2/12	2 x 115 Vac	2 x 12 Vac	2 VA
FL 2/15	2 x 115 Vac	2 x 15 Vac	2 VA
FL 2/24	2 x 115 Vac	2 x 24 Vac	2 VA
FL 4/5	2 x 115 Vac	2 x 5 Vac	4 VA
FL 4/6	2 x 115 Vac	2 x 6 Vac	4 VA
FL 4/8	2 x 115 Vac	2 x 8 Vac	4 VA
FL 4/9	2 x 115 Vac	2 x 9 Vac	4 VA
FL 4/12	2 x 115 Vac	2 x 12 Vac	4 VA
FL 4/15	2 x 115 Vac	2 x 15 Vac	4 VA
FL 4/18	2 x 115 Vac	2 x 18 Vac	4 VA
FL 4/24	2 x 115 Vac	2 x 24 Vac	4 VA
FL 6/5	2 x 115 Vac	2 x 5 Vac	6 VA
FL 6/6	2 x 115 Vac	2 x 6 Vac	6 VA
FL 6/8	2 x 115 Vac	2 x 8 Vac	6 VA
FL 6/9	2 x 115 Vac	2 x 9 Vac	6 VA
FL 6/12	2 x 115 Vac	2 x 12 Vac	6 VA
FL 6/15	2 x 115 Vac	2 x 15 Vac	6 VA
FL 6/18	2 x 115 Vac	2 x 18 Vac	6 VA
FL 6/24	2 x 115 Vac	2 x 24 Vac	6 VA
FL 8/6	2 x 115 Vac	2 x 6 Vac	8 VA
FL 8/8	2 x 115 Vac	2 x 8 Vac	8 VA
FL 8/9	2 x 115 Vac	2 x 9 Vac	8 VA
FL 8/12	2 x 115 Vac	2 x 12 Vac	8 VA
FL 8/15	2 x 115 Vac	2 x 15 Vac	8 VA
FL 8/18	2 x 115 Vac	2 x 18 Vac	8 VA
FL 8/24	2 x 115 Vac	2 x 24 Vac	8 VA
FL 10/5	2 x 115 Vac	2 x 5 Vac	10 VA
FL 10/6	2 x 115 Vac	2 x 6 Vac	10 VA
FL 10/8	2 x 115 Vac	2 x 8 Vac	10 VA
FL 10/9	2 x 115 Vac	2 x 9 Vac	10 VA
FL 10/12	2 x 115 Vac	2 x 12 Vac	10 VA
FL 10/15	2 x 115 Vac	2 x 15 Vac	10 VA
FL 10/18	2 x 115 Vac	2 x 18 Vac	10 VA
FL 10/24	2 x 115 Vac	2 x 24 Vac	10 VA
FL 14/5	2 x 115 Vac	2 x 5 Vac	14 VA
FL 14/6	2 x 115 Vac	2 x 6 Vac	14 VA
FL 14/8	2 x 115 Vac	2 x 8 Vac	14 VA
FL 14/9	2 x 115 Vac	2 x 9 Vac	14 VA
FL 14/12	2 x 115 Vac	2 x 12 Vac	14 VA
FL 14/15	2 x 115 Vac	2 x 15 Vac	14 VA
FL 14/18	2 x 115 Vac	2 x 18 Vac	14 VA
FL 14/24	2 x 115 Vac	2 x 24 Vac	14 VA
FL 18/5	2 x 115 Vac	2 x 5 Vac	18 VA
FL 18/6	2 x 115 Vac	2 x 6 Vac	18 VA
FL 18/8	2 x 115 Vac	2 x 8 Vac	18 VA
FL 18/9	2 x 115 Vac	2 x 9 Vac	18 VA
FL 18/12	2 x 115 Vac	2 x 12 Vac	18 VA
FL 18/15	2 x 115 Vac	2 x 15 Vac	18 VA
FL 18/18	2 x 115 Vac	2 x 18 Vac	18 VA
FL 18/24	2 x 115 Vac	2 x 24 Vac	18 VA
FL 24/5	2 x 115 Vac	2 x 5 Vac	24 VA
FL 24/6	2 x 115 Vac	2 x 6 Vac	24 VA
FL 24/8	2 x 115 Vac	2 x 8 Vac	24 VA
FL 24/9	2 x 115 Vac	2 x 9 Vac	24 VA
FL 24/12	2 x 115 Vac	2 x 12 Vac	24 VA
FL 24/15	2 x 115 Vac	2 x 15 Vac	24 VA
FL 24/18	2 x 115 Vac	2 x 18 Vac	24 VA
FL 24/24	2 x 115 Vac	2 x 24 Vac	24 VA
FL 30/5	2 x 115 Vac	2 x 5 Vac	30 VA
FL 30/6	2 x 115 Vac	2 x 6 Vac	30 VA
FL 30/8	2 x 115 Vac	2 x 8 Vac	30 VA
FL 30/9	2 x 115 Vac	2 x 9 Vac	30 VA
FL 30/12	2 x 115 Vac	2 x 12 Vac	30 VA
FL 30/15	2 x 115 Vac	2 x 15 Vac	30 VA
FL 30/18	2 x 115 Vac	2 x 18 Vac	30 VA
FL 30/24	2 x 115 Vac	2 x 24 Vac	30 VA
FL 42/5	2 x 115 Vac	2 x 5 Vac	42 VA
FL 42/6	2 x 115 Vac	2 x 6 Vac	42 VA
FL 42/8	2 x 115 Vac	2 x 8 Vac	42 VA
FL 42/9	2 x 115 Vac	2 x 9 Vac	42 VA
FL 42/12	2 x 115 Vac	2 x 12 Vac	42 VA
FL 42/15	2 x 115 Vac	2 x 15 Vac	42 VA
FL 42/18	2 x 115 Vac	2 x 18 Vac	42 VA
FL 42/24	2 x 115 Vac	2 x 24 Vac	42 VA
FL 52/5	2 x 115 Vac	2 x 5 Vac	52 VA
FL 52/6	2 x 115 Vac	2 x 6 Vac	52 VA
FL 52/8	2 x 115 Vac	2 x 8 Vac	52 VA
FL 52/9	2 x 115 Vac	2 x 9 Vac	52 VA
FL 52/12	2 x 115 Vac	2 x 12 Vac	52 VA
FL 52/15	2 x 115 Vac	2 x 15 Vac	52 VA
FL 52/18	2 x 115 Vac	2 x 18 Vac	52 VA
FL 52/24	2 x 115 Vac	2 x 24 Vac	52 VA

DOWNLOADS

Download product datasheet

Additional information Product Change Notification Approval

Technical Data for FL 42/18

Input
Rated input voltage	2 x 115 Vac
Rated frequency	50 - 60 Hz

Output
Rated output voltage	2 x 18 Vac
Power	42 VA
No-load voltage (app. x factor)	1.16
No-load loss (typ.)	3.5 W
Efficiency	81 %

Standards
Classification	Safety isolating transformer

Approvals
Approvals	cURus, VDE

Environment
Ambient temperature max.	104.0 °F

Safety and protection
Type	Encapsulated
Insulation class	VDE=E, UL=class 105
Protection index	IP 00
Safety class (prepared)	II
Short circuit strength	non-short-circuit proof

Terminal and mounting
Terminals	Pins for PCB

Measures and weights
Depth	3.29 inch
Height	1.54 inch
Width	2.76 inch
Core type	UI 48/17
Weight	1.59 lbs

Information for FL series

General Data

Rated power 2 - 52 VA
Efficiency up to 81 %
Insulation class E
Maximum ambient temperature 104 °F / 40 °C
Rated output voltage 2 x 5 - 2 x 24 Vac
Rated input voltage 2 x 115 Vac
Degree of protection IP 00

Benefits

Dual output voltage for series or parallel connection
Minimum size at high output
Dual input voltage for series or parallel connection
Permanent corrosion protection, high insulation value and maximum electrical reliability due to XtraDenseFill resin encapsulation
Self-extinguishing potting material
Low height

Standards

Safety isolating transformer
to: VDE 0570 Part 2-6, DIN EN 61558-2-6, EN 61558-2-6, IEC 61558-2-6,
UL 5085-1/-2, CSA 22.2 No.66
Isolating transformer
to: VDE 0570 Part 2-4, DIN EN 61558-2-4, EN 61558-2-4, IEC 61558-2-4, UL 5085-1/-2, CSA 22.2 No.66
Safety isolating transformer
to: VDE 0570 Part 2-6, DIN EN 61558-2-6, EN 61558-2-6, IEC 61558-2-6, UL 5085-1/-2, CSA 22.2 No.66

Approvals

VDE, UL 5085-1/-2, CSA 22.2 No.66

Applications

As a mains transformer for adjustment of the voltage and simple electrical isolation.
As an isolating transformer for the safe electrical isolation of the input and output sides. The transformer may be used to set up protective separation as a protective measure in accordance with VDE 0100.
As a safety isolating transformer for the safe electrical isolation of the input and output sides. The transformer is suitable for creating SELV and PELV circuits because of the limit on the output voltage.

FL 42/18

Safety isolating transformer

DOWNLOADS

Technical Data for FL 42/18

Information for FL series

General Data

Benefits

Standards

Approvals

Applications

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