Pushbutton Stations – 1, 2 or 3 stations
Emergency Stop, Switched, Key Switched and Momentary pushbuttons
Installation Instructions Issue 10
=
=
=
=
==========
=
Council of European Communities Directives:
The products in this publication conform to relevant EEC Directives and EN Standards. Installation and use of such products must be carried
out by competent, properly trained personnel,
complying with any instructions supplied by ABB. Liability for improper incorporation, assembly, use, processing, storing or handling of goods remains the sole responsibility of the individual, or company carrying out such work.
This publication is for information only. Whilst every care has been taken in the preparation of this leaflet, no liability is accepted for any consequence of its use. No licence to use any patent should be assumed. All dimensions are approximate
only and subject to change without notice, as are other technical features resulting from continual development and improvement.
ABB Limited Tower Court, Foleshill Enterprise Park,
Courtaulds Way, Coventry. CV6 5NX
Tel: 02476 368500
Fax: 02476 364499
Fig 4
Fig 3
Fig 2
Fig 1
MSKMNOQSPLQbNMMR=
INSTALLATION
1. Figures 1 and 2 show an exploded view of two typical
pushbutton stations.
A - Base moulding incorporating up to 4 Contacts
(see table 1). The design allows the cover to be
removed without removing the contacts or wiring.
B - Normally closed or open contact block. Additional
contacts simply clip in place, observe positions as
per table 1.
C - Legend plates are located here or a spacer used if
legend plate not fitted.
D - Pushbutton.
2. Each pushbutton station is supplied with contacts as shown
In Table 1. Additional contacts must be fitted in accordance
with the options shown in Table 1 and positions
shown in Figures 3 and 4, (3 station not shown).
The contacts simply snap into position or are lightly levered
out using a small flat screwdriver.
3. IMPORTANT – Position 4 must never be used with a
single type contact. If 4 contacts are required then a special
double contact must be used in positions 3 and 4. Part
number shown in table 1.
=
Factory Fitted Contact “N.O” or “N.C” depending on pushbutton type
Pushbutton Selection
Table 1. Additional contacts. “” can be N.O or N.C. “” means do not fit.
Order Code Description N= O= P= Q= N= O= P= Q= N= O= P= Q=
1GO Start/Green
n.o
1RC Stop/Red
n.c
1RSC * Mushroom Head 30mm (twist release) n.c n.o
* Cannot accept additional contacts
1RSC-EN Emergency Stop 40mm (stay put) – to IEC 60947-5-5
n.c
1RMSC50 Mushroom Head 60mm (twist release)
n.c
1RMSKC * Emergency Stop (key release) – to IEC 60947-5-5 n.c n.o=
==
=
* Cannot accept additional contacts
1H2O-I Two position switch n.o
1K2 O-I Two position key switch (key removable) n.o
1H 3 I-O-II Three position switch n.o n.o
2GORC Start/Green and Stop/Red
n.o
n.c
2ORSC-EN Start/Green & Red/Emergency stop 40mm EN418
n.o
n.c
3GOGORC Forward/Green – Stop/Red – Reverse/Green
n.o
n.c
n.o
3GOGORSC –EN Two Green and Red/Emergency Stop 40mm
(twist release) – to EN418
n.o
n.c
n.o
1RSC-ENSS Emergency Stop 40mm (stay put) – to EN418
Stainless Steel Enclosure. Rear mounted contacts
n.c
Note – Only use rear mounted contacts.
N.O part No 1NOR, N.C part No 1NCR
1NO Replacement contact block n/o
1NC Replacement conact block n/c
MCB-20B Replacement 2 pole contact block n/o see note 3
MCB-02B Replacement 2 pole contact block n.c see note 3
Contact Block Ratings UL/CSA NEMA IEC947-5-1 DC Utilisation Terminals
Rated Insulation Voltage 600V 690V
Rated Thermal Current 10A 10A Category DC13 Min 1 x
0.5mm2
Rated operational Current (120V) 6A (120V) 8A (24V DC) 5A
“ “ “
(240V) 3A (230V) 6A (125V DC) 1.1A
Connectable areas Max. 2 x
2.5mm2
“ “ “
(480V) 1.5A (400V) 4A (250V DC) 0.55A
“ “ “
(600V) 1.2A (690V) 2A
Recommended torque
* Compact Em-Stop
0.9 Nm
0.8 Nm
* Rated Insulation Voltage 250V 300V (24V DC) 0.3A Min 1 x
0.5mm2
* Rated Thermal Current 2.5A 5A (125V DC) 0.2A
* Connectable areas
(Compact Em-stop) Max 2 x
1.5mm2
=
06.012463.10E 0808