Page 1
7.3.4
PRODUCT DATA
A Guide to the Act 3+ Dimmer Pack
2
3
ACT
3
4 5 6
1. Reversible side plates for handles or
rack mounting
2. Output sockets (1 per dimmer)
3. Resettable Circuit Breakers (25A)
4. Dimmer power indicators
5. Circuit test push buttons
6. Circuit test LED
7. Control signal input socket
(+10V or -10V)
8. Optional Multi-mux module
Act 3+
Compact dimmer pack with three 20A
dimmers controlled by 0V to 10V analogue
signal (plus/minus autosensing) per dimmer
or optionally, multiplex signal (either Strand
D54 or DMX512). Both versions supplied
with CEE17 32A sockets, and analogue input.
By removing a blank cover panel, and
installing the optional Multi-mux module, any
dimmer pack can operate with either DMX
512 or Strand D54 multiplex signals. An
added feature with the Multi-mux module is
the self-powered effects package which
provides 4 effect types, selection of channels
in the effect and the effect speed, each one
selected by the Mux start address switches.
A second Act 3+ dimmer pack may
be connected as a slave unit under control of
channels 4 - 6 in the analogue cable or the
Multi-mux module. All versions accept three
phase power, and include a single phase
linking strap.
V 194V-264V AC 48-62Hz A 60A W 3 x 5kW
d 3 Y 0 - 10V (+/-), option: DMX512, D54
O 485 x 330 x 188mm w 9.6kg p 11.3 kg
P 0.107m¬ s BS 800, VDE 0875, EN55014,
EN50081-1, EN50082-1, IP20 to EN60529
A GUIDE TO SYMBOLS AND ABBREVIATIONS
GENERAL V Supply voltage A Current rating in amps W Wattage w Weight of product
O Overall dimension of product p Packed weight P Packed volume s Compliance with international
standards. d Quantity of dimmers Y Control protocol as follows: Analogue: Wire-per-dimmer. 0-10VDC.
DMX: USITT DMX512 D54: Strand Analogue Multiplex standard IP: International Protection Standard
9. DMX input and output sockets
10. ‘DMX present’ LED
11. DMX line termination switch and LED
12. Multiplex address switches (also used
13. D54 input and output sockets
14. ‘D54 present’ LED
15. Slave control output socket
Cat No Description
73070 Act 3+, Analogue, CEE17 32A
73074 Act 3+, CEE17 32A, with Multi-mux
73071 Act 3+, Analogue CEE 17 32amp
73075 Act 3+, Analogue CEE 17 32amp
Cat. No. Description
76030 Multi-mux module, D54/DMX512
61106 6-way & master control desk
66090 DIN8 2m control cable
66091 DIN8 5m control cable
66092 DIN8 25m control cable
66083 DMX control cable, 2m
66081 DMX control cable, 10m
66082 DMX control cable, 25m
2
15
for auto-sequence function)
(to connect second pack for
dimmers 4 - 6)
module
complete with 2.5m mains cable and
CEE17 plug 3P+N+E
with Multi-mux module complete
with 2.5m mains cable and CEE17
plug 3P+N+E
11
10
7
12
14
Act 3+ Accessories
9
9
13
13
8
DIMMING
ACT 3+
1
180mm
(7")
330mm
(13")
● Three 20A dimmers in a rugged, portable economical pack
● Ideal for temporary lighting rigs, or small installations
● CEE17 32A socket per dimmer, analogue control or optional
DMX512/D54 multiplex control
● Analogue input accepts positive or negative control signals
● Optional plug-in Multi-mux module gives multiplex control
capability and integral chase effects feature
● “Slave” control socket provides link to a second Act 3+ pack
● Push-button test switch per dimmer with adjustable test level
and “test on” indicator
● Fuse “OK” LED indicator per dimmer
● Provision for wall mounting or 19” rack mounting
● For use with suitable RCD devices
Dimmer Packs
ACT
3
483mm (19")
483mm (19")
Page 2
PAGE 2 © Strand Lighting ACT 3+ DIMMER PACKS VERSION 1.0
Electrical
Supply Voltage/ 194 - 264V, 48 - 62Hz
Frequency Three phase plus neutral and earth (ground), or single phase plus
neutral and earth (ground) when phase link bar is fitted.
Main power connector should be 60A or greater (single phase), 20A
or greater(three phase). Recommended connector type: CEE 17
BS4343.
Total Capacity Three dimmers with one socket per dimmer. Maximum load 20A per
dimmer - total 60A. Resistive (tungsten) loads only. Minimum load
250W per dimmer.
Control Analogue auto-sensing 0V to -10V (full-on) via 10kΩ resistor and
silicon diode, or 0V to +10V (full-on) via 1K resistor and silicon
diode. When Multimux module is fitted, analogue and either Strand
D54 or DMX512 Mux signal can function simultaneously, with the
dimmer responding to the highest level.
Slave control output socket enables channels 4, 5, and 6 signals from
either the analogue control cable, or the Multi-mux module, to be
connected to a second Act 3+ pack, without the need for a second
control cable from the console.
Dimmer Test Switch any dimmer to a preset level.
Switches
Power Supply -14.5V DC (max current 100mA) via analogue control input
Output connector. (Intended for providing power to Strand Lighting ‘LX’
control systems).
Operational Data
Connections Mains input cable can be inserted through a 25mm or 32mm cable
entry hole in the rear panel or a 32mm hole on the left hand side,
using a suitable cable gland. Load connections are made through a
CEE17 32A plug.
Ambient Temp 0°C - 35°C
Operating Range
Relative Humidity 10% - 95%, zero condensation.
Operating Range
Environment/ Clean, dry ventilated space within temperature and
Ventilation humidity limitations.
Standards BS800. VDE 0875, EN55014, EN50081-1, EN50082-1
Compliance
Ingress Protection IP 20 (IEC529/EN60529).
Finish/Colour Grey powder coat epoxy paint.
Labelling Strand Lighting in white.
Construction Extruded aluminium heatsink forms the upper section
Weight 9.6kg (21.12lb)
Height 188mm (7.4")
Depth 330mm (13")
Width 483mm (19.")
Packed Volume 3.81 cu ft (0.107m3)
Environmental Data
Operating Data
Mechanical Data
of the case, with sheet metal chassis and side plates.
Carrying handles are formed into the side plates which
are reversible for 19” rack mounting.
Weight and Dimensions
Act 3+
Circuit Protection Each dimmer module is protected by a resettable 25A circuit breaker.
Control Input Analogue 0V to10V (+/-), via 8 pin locking DIN connector on front
panel.
DMX512 (1990) multiplexed digital control, and Strand D54
multiplexed analogue control via 3 pin XLR connector, both on
Multi-mux module faceplate. (Multiplexed control in-puts are only
available when the optional Multi-mux module is fitted).
Two Act 3+ packs may be linked to utilise all 6 ways of control.
LED Indication of power available to each dimmer
(fuse OK), When fitted with Multi-mux module LED’s indicate the
presence of D54 or DMX multiplex signal.
Control Cable Plug connections to the front panel.
Entry
Output Max 5kW per dimmer. Dimmers are rated for continuous loads.
Local Control The test level is factory set at approximately 70% of full intensity. It is
adjustable from 40% to 80% through the base plate. With the
Multi-mux module fitted the auto-sequencing step and fading chase
effects are preset and initiated by setting the pack address switches in
the range 600 to 999.
Cooling Method Extruded heatsink case provides adequate cooling in any well-
ventilated position.
London: Strand Lighting Ltd, Grant Way, Isleworth, Middlesex,
Wolfenbüttel: Strand Lighting GmbH, Salzbergstraße 2, 38302 Wolfenbüttel, Germany.
Rome: Strand Lighting Srl, Via delle Gardenie 33, Pontina Vecchia Km 33,400,
Brussels: Strand Lighting Ltd, Chaussée de Haecht 1801, 1130 Bruxelles, Belgium
Stockholm: Strand Lighting Ltd, Box 20105, Tappvägen 24, 161 02 Bromma, Sweden
ALSO
FACILITIES IN: LOS ANGELES • NEW YORK • HONG KONG • MILANO • MUNICH • BERLIN
© Copyright Strand Lighting Limited November 1995
Tel: +44 (0)181 560 3171 Fax: +44 (0)181 568 2103
Tel: +49 (0) 5331 3008-8 Fax: +49 (0) 5331 78883
00040 Pomezia-Roma, Italy
Tel: +39 (0) 6 914 7123 Fax: +39 (0) 6 914 7136
Tel: +32 (0) 2 245 8686 Fax: +32 (0) 2 245 2235
Tel: +46 (0) 8 799 6950 Fax: +46 (0) 8 799 6954
TW7 5QD, United Kingdom.
The Company reserves the right to make any variation in design or construction to the
equipment described. © Strand Lighting Ltd 1995. Act 3+™ is a trade mark of Strand
Lighting Limited. Strand Lighting is a company within the Film & Television Division of The
Rank Organisation Plc, United Kingdom.
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