RKD 120/2x12

Safety isolating transformer

Version RKD 120/2x12

Rated input voltage 2 x 115 Vac Rated output voltage 2 x 12 Vac Rated Power 120 VA

Version	Rated input voltage	Rated output voltage	Rated Power
RKD 15/2x6	2 x 115 Vac	2 x 6 Vac	15 VA
RKD 15/2x9	2 x 115 Vac	2 x 9 Vac	15 VA
RKD 15/2x12	2 x 115 Vac	2 x 12 Vac	15 VA
RKD 15/2x15	2 x 115 Vac	2 x 15 Vac	15 VA
RKD 15/2x18	2 x 115 Vac	2 x 18 Vac	15 VA
RKD 20/2x12	2 x 115 Vac	2 x 12 Vac	20 VA
RKD 20/2x15	2 x 115 Vac	2 x 15 Vac	20 VA
RKD 20/2x18	2 x 115 Vac	2 x 18 Vac	20 VA
RKD 20/2x24	2 x 115 Vac	2 x 24 Vac	20 VA
RKD 30/2x6	2 x 115 Vac	2 x 6 Vac	30 VA
RKD 30/2x9	2 x 115 Vac	2 x 9 Vac	30 VA
RKD 30/2x12	2 x 115 Vac	2 x 12 Vac	30 VA
RKD 30/2x15	2 x 115 Vac	2 x 15 Vac	30 VA
RKD 30/2x18	2 x 115 Vac	2 x 18 Vac	30 VA
RKD 30/2x24	2 x 115 Vac	2 x 24 Vac	30 VA
RKD 40/2x6	2 x 115 Vac	2 x 6 Vac	40 VA
RKD 40/2x9	2 x 115 Vac	2 x 9 Vac	40 VA
RKD 40/2x12	2 x 115 Vac	2 x 12 Vac	40 VA
RKD 40/2x15	2 x 115 Vac	2 x 15 Vac	40 VA
RKD 40/2x18	2 x 115 Vac	2 x 18 Vac	40 VA
RKD 40/2x24	2 x 115 Vac	2 x 24 Vac	40 VA
RKD 50/2x12	2 x 115 Vac	2 x 12 Vac	50 VA
RKD 50/2x15	2 x 115 Vac	2 x 15 Vac	50 VA
RKD 50/2x18	2 x 115 Vac	2 x 18 Vac	50 VA
RKD 50/2x24	2 x 115 Vac	2 x 24 Vac	50 VA
RKD 60/2x6	2 x 115 Vac	2 x 6 Vac	60 VA
RKD 60/2x9	2 x 115 Vac	2 x 9 Vac	60 VA
RKD 60/2x12	2 x 115 Vac	2 x 12 Vac	60 VA
RKD 60/2x15	2 x 115 Vac	2 x 15 Vac	60 VA
RKD 60/2x18	2 x 115 Vac	2 x 18 Vac	60 VA
RKD 60/2x24	2 x 115 Vac	2 x 24 Vac	60 VA
RKD 60/2x30	2 x 115 Vac	2 x 30 Vac	60 VA
RKD 80/2x12	2 x 115 Vac	2 x 12 Vac	80 VA
RKD 80/2x15	2 x 115 Vac	2 x 15 Vac	80 VA
RKD 80/2x18	2 x 115 Vac	2 x 18 Vac	80 VA
RKD 80/2x24	2 x 115 Vac	2 x 24 Vac	80 VA
RKD 100/2x9	2 x 115 Vac	2 x 9 Vac	100 VA
RKD 100/2x12	2 x 115 Vac	2 x 12 Vac	100 VA
RKD 100/2x15	2 x 115 Vac	2 x 15 Vac	100 VA
RKD 100/2x18	2 x 115 Vac	2 x 18 Vac	100 VA
RKD 100/2x24	2 x 115 Vac	2 x 24 Vac	100 VA
RKD 100/2x30	2 x 115 Vac	2 x 30 Vac	100 VA
RKD 120/2x9	2 x 115 Vac	2 x 9 Vac	120 VA
RKD 120/2x12	2 x 115 Vac	2 x 12 Vac	120 VA
RKD 120/2x15	2 x 115 Vac	2 x 15 Vac	120 VA
RKD 120/2x18	2 x 115 Vac	2 x 18 Vac	120 VA
RKD 120/2x24	2 x 115 Vac	2 x 24 Vac	120 VA
RKD 120/2x30	2 x 115 Vac	2 x 30 Vac	120 VA
RKD 160/2x12	2 x 115 Vac	2 x 12 Vac	160 VA
RKD 160/2x15	2 x 115 Vac	2 x 15 Vac	160 VA
RKD 160/2x18	2 x 115 Vac	2 x 18 Vac	160 VA
RKD 160/2x24	2 x 115 Vac	2 x 24 Vac	160 VA
RKD 160/2x30	2 x 115 Vac	2 x 30 Vac	160 VA
RKD 160/2x35	2 x 115 Vac	2 x 35 Vac	160 VA
RKD 200/2x12	2 x 115 Vac	2 x 12 Vac	200 VA
RKD 200/2x15	2 x 115 Vac	2 x 15 Vac	200 VA
RKD 200/2x18	2 x 115 Vac	2 x 18 Vac	200 VA
RKD 200/2x24	2 x 115 Vac	2 x 24 Vac	200 VA
RKD 225/2x12	2 x 115 Vac	2 x 12 Vac	225 VA
RKD 225/2x15	2 x 115 Vac	2 x 15 Vac	225 VA
RKD 225/2x18	2 x 115 Vac	2 x 18 Vac	225 VA
RKD 225/2x24	2 x 115 Vac	2 x 24 Vac	225 VA
RKD 225/2x30	2 x 115 Vac	2 x 30 Vac	225 VA
RKD 250/2x12	2 x 115 Vac	2 x 12 Vac	250 VA
RKD 250/2x18	2 x 115 Vac	2 x 18 Vac	250 VA
RKD 250/2x24	2 x 115 Vac	2 x 24 Vac	250 VA
RKD 250/2x30	2 x 115 Vac	2 x 30 Vac	250 VA
RKD 300/2x12	2 x 115 Vac	2 x 12 Vac	300 VA
RKD 300/2x18	2 x 115 Vac	2 x 18 Vac	300 VA
RKD 300/2x24	2 x 115 Vac	2 x 24 Vac	300 VA
RKD 330/2x18	2 x 115 Vac	2 x 18 Vac	330 VA
RKD 400/2x18	2 x 115 Vac	2 x 18 Vac	400 VA
RKD 400/2x24	2 x 115 Vac	2 x 24 Vac	400 VA
RKD 400/2x30	2 x 115 Vac	2 x 30 Vac	400 VA
RKD 500/2x24	2 x 115 Vac	2 x 24 Vac	500 VA
RKD 500/2x30	2 x 115 Vac	2 x 30 Vac	500 VA
RKD 500/2x35	2 x 115 Vac	2 x 35 Vac	500 VA
RKD 625/2x30	2 x 115 Vac	2 x 30 Vac	625 VA
RKD 625/2x115	2 x 115 Vac	2 x 115 Vac	625 VA
RKD 800/2x40	2 x 115 Vac	2 x 40 Vac	800 VA
RKD 800/2x115	2 x 115 Vac	2 x 115 Vac	800 VA
RKD 1000/2x50	2 x 115 Vac	2 x 50 Vac	1,000 VA
RKD 1000/2x115	2 x 115 Vac	2 x 115 Vac	1,000 VA
RKD 1200/2x115	2 x 115 Vac	2 x 115 Vac	1,200 VA
RKD 1600/2x115	2 x 115 Vac	2 x 115 Vac	1,600 VA
RKD 2000/2x115	2 x 115 Vac	2 x 115 Vac	2,000 VA
RKD 3000/2x115	2 x 115 Vac	2 x 115 Vac	3,000 VA

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Technical data for RKD 120/2x12

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

Output
Rated output voltage	2 x 12 Vac
Rated Power	120 VA
No-load voltage (app. x factor)	1.08
No-load loss (typ.)	1.00 W
Efficiency	91.0 %
Secondary circuit	2

Standards
Classification	Safety isolating transformer

Approvals
Approvals	cURus

Environment
Ambient temperature max.	40 °C

Safety and protection
Type	Open type
Insulation class	VDE=B, UL=class 105
Protection index	IP 00
Safety class (prepared)	II
Short circuit strength	non-short-circuit proof
Test voltage	4,000 Vac, 50 Hz

Terminal and mounting
Fixing method	Mounting kit, M6 bolt
Terminals	Connecting leads, 200 mm

Measures and weights
Major diameter Ø	94 mm
Outside diameter in the area of the wire lead Ø	96 mm
Height without mounting	46 mm
Weight	1.40 kg

Info on RKD series

General Data

Power 15 - 3,000 VA
Efficiency up to 98 %
Maximum ambient temperature 40 °C
Insulation class B
Degree of protection IP 00
Rated output voltage 2 x 6 - 2 x 115 Vac
Rated input voltage 2 x 115 Vac

Benefits

Low weight
Outstanding temperature behaviour thanks to low magnetic leakage field
Minimum size at high power
Minimal no-load losses
Dual input and dual output voltage for series or parallel connection
Very low noise field

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

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

Applications

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.
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.

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