Datasheet Content
ELECTRONIC IGNITION DESCRIPTION
TRANSFORMERS FOR NON- These ranges of electronic ignition transformers are
characterized by extremely limited overall dimensions and are
PERMANENT OPERATION particularly suitable to equip forced draught burners for gas
and light or heavy oil, for civil and industrial applications.
The working principle is based on a high frequency electronic
oscillator; the voltage it generates is then increased by using a
TC....A. Series transformer with ferrite nucleus, reaching in this way output
voltage values up to 15 kV.
All types can be supplied with filter to minimize the emission
of electromagnetic interference. In this way this series of
electronic transformers is in compliance with the EMC
directive 2014/30/EU without the use of external filters.
The transformers of this series can also be supplied for
permanent operation (100% duty cycle). For further
information see relevant data sheets (TC….S. and TD….S.).
FEATURES
Followings are the main features of these ranges of
transformers:
− available with inbuilt EMC filter;
− limited weight and overall dimensions;
− high efficiency and ignition power;
− low consumption;
− single-pole or double-pole high voltage output;
TD....A. Series − different fixing and connecting systems;
− inbuilt protection against short circuit;
− in oil and gas burners, the safety of ignition
transformers depends on the control unit.
APPROVALS
− The transformers comply with the essential requirements
of the "Low Voltage Directive (LVD) 2014/35/EU", as they
are approved by IMQ according to the product standards
EN 61558-1:2005 + A1:2009 and EN 61558-2-3:2010.
Type Voltage Certificate no.
TC1...A.
220-240 V 50/60 Hz CA04.03569
TD1...A.
TC2...A.
220-240 V 50/60 Hz CA04.03570
TD2...A.
– The transformers are also provided with "CB TEST
CERTIFICATE No. IT-3904" stating their compliance with
the international standards IEC 61558-1 (ed. 1) + am1 and
IEC 61558-2-3 (ed. 1).
– The transformers type TCxxxxAx and TDxxxxAx 110-120
V, 50/60 Hz are also available in UL approved version with
"Certificate Number 20100119-E331308" according to the
standards "UL 506 Standard for Specialty Transformers,
13th Edition" and "C22.2 No. 13 Standard for Luminous
Tube Signs, Oil or Gas Burner Ignition Equipment 1st
Edition".
3409_r07 1/4
TECHNICAL DATA
TC1...A - TC1...AF TC2...A - TC2...AF
TD1...A - TD1...AF TD2...A - TD2...AF
110-120 220-240 110-120 220-240
Number of poles 1 2
Output peak voltage kV (1) 15 2x12
Rated output voltage kV (4) 5.9 2 x (2.9 ÷ 3.4)
8 2 x (3.8 ÷ 4.3)
8 (UL versions) 2 x 5 (UL versions)
Output peak current mA (2) 45 55
Rated output current mA (2) 20 25 27 30
Output voltage frequency kHz (1) 6 6
Output voltage frequency kHz (2) 10 10
Consumption VA (3) 45 55
(1) No-load output and 30 pF load.
(2) Short circuit output.
(3) 10 mm spark gap.
(4) No-load output.
- Supply voltage: 220-240 V 50/60 Hz OVERALL DIMENSIONS
on request: 110-120 V 50/60 Hz
- Protection fuse: The transformer must be powered The TD series differs from the TC series for its more reduced
through a fuse with F1A 250V features, overall dimensions; Fig. 1, Fig. 2, Fig. 3 and Fig. 4 show the
in compliance with EN 60127 main dimensions of both transformer series.
- Duty cycle: approved versions: 50 % in 2 minutes To fix the transformers, screws type M4 or M5 should be used
- Operating temperature range: -10 … +60 °C (in the transformers of the TC series, the oval holes enable a
- Protection degree: IP00 variation of the fixing wheel base between 57 mm and 64
- Winding class: H mm).
- Recommended distance between
the electrodes: 3÷5 mm
- Max. ignition cable length: 1.5 m TC1L – TC2L
- Standard supply cable length: 560 mm Available in double-
- Weight: TC series 420 g approx. pole versions only
TD series 360 g approx.
CONSTRUCTION
The working principle based on the use of a high frequency
electronic oscillator has enabled to develop a device with
limited dimensions and weight, but with high ignition power.
The electronic circuit and the transformer with ferrite nucleus
are bathed in a special kind of resin with very good thermal
conductivity and a specific coefficient of expansion, which
ensures high resistance to temperature variations and to the
overload due to protracted working.
An inbuilt varistor protects the device from possible voltage
transients in the mains supply.
The transformers of these series are available in different Available in double-
pole versions only
versions as regards the number of poles, the position of the
isolators, the type of connection, the power supply connection Fig. 1
and the availability of an EMC filter; on this subject, see the
following scheme: TC1S – TC2S
TC/TD X X X X A X Available in double-
pole versions only
: without EMC filter;
F: with EMC filter;
A: non-permanent operation (50% duty cycle);
C: supplied with cable (Fig. 1, 2, 3 and 4);
P: supplied with outlet (Fig. 6 and 7);
V: screw fixing system (Fig. 8);
T: fixing system with terminal ∅ 4 (Fig. 8);
L: lateral isolators (Fig. 1 and 3);
S: bottom isolators (Fig. 2 and 4);
1: single pole;
2: double pole;
For instance, the designation TC2LVPAF indicates that the Available in double-
transformer belongs to the TC series, is provided with two pole versions only
lateral isolators, screw fixing system, power supply with outlet, Fig. 2
EMC filter and is for non-permanent operation.
2/4 3409_r07
TD1L - TD2L TC
Available in double-
pole versions only
Fig. 6
Available in double- TD
pole versions only
Fig. 3
TD1S – TD2S
Available in double-
pole versions only
Fig. 7
The connection of high voltage cables can be of two types,
according to the terminals used inside the isolators:
connections can be carried out by means of a screw or a
cylindrical terminal with 4 mm diameter, as shown in Fig. 8. All
connectors, including the ones complete with cable, can be
Available in double-
supplied on request.
pole versions only
Fig. 4
CONNECTION
These ranges of ignition transformers have been developed in
order to be used with control boxes of our own production,
which can be mounted on the ignition devices by means of
fixing screws type M4x45, as shown in Fig. 5.
All transformers can be supplied with cable or supply outlet;
see, for instance, Fig. 6 and Fig. 7, which show the
dimensions of a transformer provided with supply outlet (with
laterals isolators). Type "V" Type "T"
TC TD Fig. 8
INSTALLATION
− Caution! There might be…
