BC 9 Oil Tight Limit Switches



JAIBALAJI CONTROL GEARS PVT. LTD., manufactures a wide range of JAI Limit Switches tested to rigid quality standards. BC9 series Limit Switches comply with IS 13947/pt-5/sec-1 of 2004 & IEC 947-5-1 and carry the unique ISI mark. Limit Switches are certified by CSA International Canada and U.S. They also conform to European standard CE.

FEATURES
  • Completely oil & water tight and dust & damp proof.
  • Ample wiring space for easy termination.
  • Flame retardant thermo-plastic barriers between terminals top revent short-circuit.
  • Serrated terminals to give firm grip to straighten wire.
  • Flexibility of replacing complete contact blocks without changing the operating characteristic.
  • The S.P.D.T twin-break silver contacts provide quick make-and-break action with high contact pressure.
  • The brass forged lever with steel roller and all stainless steel parts provide high rigidity and corrosion resistance.
MODELS

BC9 Oil Tight Limit Switches

BC 9 JLS type limit switches are available with a variety of operating heads to meet diverse applications

Rotary Lever Operating Head

Rotary lever operating heads are available in spring return and maintained type. The rotary shaft can be readily changed to operate clockwise, counter clockwise or both. The operating levers may be rotated and locked in any position through 3600. The operating head can be positioned in any of the four sides. The lever rollers are 19mm diameter and 8mm thickness. The levers are available fixed and adjustable lengths.

Top Push Operating Head

BC9 Top Pluger limit switches are available in three designs. One has an adjustable top push button which has a hex, bolt and lock nut, the length of which can be adjusted upto 8mm (Adjustment is accomplished by locking the 8mm spanner in the spindle and then by turning the threaded4mm Hex. Head operating plunger and securing it with a lock nut).

The second type has a steel roller of 11.1 mm diameter and 3.85mm thickness.The top push operating heads are easier to apply because the operating direction and repeat accuracy is less critical.

Side Push Operating Head

Jai BC 9 Side plunger limit switches are in two different designs. One has adjustable push button which can be adjusted upto 8mm (Adjustment is accomplished by locking the 8mm spanner in the spindle and then by turning the threaded 4mm hex. Head operating plunger and securing it with a lock nut).

The second type has steel roller of 12mm diameter and 3.85mm thickness. In our BC 9 Side plunger roller type limit switches there is a provision to change the positioning of the roller plunger from horizontal to vertical position and vise versa by unscrewing the plunger cap nut and it is ready to operate as per the choice 

Cat Whisker Operating Head

BC 9 Cat whisker limit switches are available in two designs with 137mm long operating lever. One type consists of 3.2 diameter nylon rod fixed with stainless steel tension spring from the bottom. The second type consists of 6.2 diameter stainless steel tension spring. Both these types can be operated in any direction from the centre.

Fork Lever Operating Head

Each of the two arms of length 38mm has a roller of 19mm diameter and 8mm thickness either in line or offset. Available in spring return or maintained type.

Diagram for Operating Data

ELECTRICAL & MECHANICAL RATINGS

 

Utilisation Category AC 15 and DC 13 as per IEC 947 - 5 - 1 IS 13947 / Pt 5 Sec 1 of 2004
Thermal Current (1th) 10A
Insulation Voltage (Ui) 600 V AC
ISI Licence No. CW/L-2015427
Operating Current and Voltage
AC 15 rating 6A at 110v;3A at 220V; 1.5A at 400V; 1.2A at 550V
DC 13 rating 0.2A at 110V; 0.1A at 220V,
Contact combination 1 NO +1 NC SPDT switch change-over contact
Frequency of operation 2500 operations per hour
Mechanical life 20 x 106 operations
Enclosure category Die cast enclosure to IP-67 as per IS 13947 / Pt5 / Sec1 of 2004
Terminal capacity 2.5sq.mm solid or stranded
 
Weights
Oil tight limit switches 500 gms approx.
General purpose limit switches 400 gms approx.
Accessory Wiring Diagram: 1N0 + 1NC Wiring Diagram: 2N0 + 2NC
A   Travel to trip
  Travel to reset from trip point
C   Over travel
D   Total travel
BC 9 Types JLSL 1
JLSL 2
JLSL A
JLSJ W
JLSL F
JLSLF 0
JLSL 1M
JLSL 2M
JLSL AM
JLSJWM
JLSLFM
JLSLFOM
JLSTPR
JLSTPBA
mm
JLSSPR
JLSSPBA
mm
JLSCW
    Travel to trip A
    Travel to reset from trip point B
    Over travel C
    Total travel D
    Force to trip(max) kg
    Force to be applied at a radius of (mm)
100
60
400
500
1.0
28
500+
500+
400*
900+
0.5
38
1.3+
1.1
5.5
6.8
2.0
-
2.0+
1.7
5.1
7.0
2.0
-
200+
180+
50*
250 *
0.285
25.5
+ Maximum                           * Minimum
THE RANGE
JAI Limit Switches with wide range and high quality ate used for import substitution. The range includes.
Standard oil tight type
Micro adjustable type
Precision type
Heavy duty type
Extra heavy duty type
BC-9 ‘T’
J W
J O
JB 2700
JC 1125
SELECTION CHART
    Description     Type     Ordering Code
    Roller Lever     38mm length
    76mm length
    50mm length
    64mm length
    50mm length
    JLSL 1*
    JLSL 2*
    JLSL 3
    JLSL 4
    JLSL 0
    Adjustable Roller Lever     32 to 82.5mm   JLSLA*
    Fork Lever     Roller in line
    with offset roller
  JLSF*
  JLSFLO*
    Top Push     Roller type
    Button type
  JLSTPR*
  JLSTPBA*
    Side Push     Roller type
    Button type
  JLSSPR
  JLSSPBA
    Cat Whisker     Nylon rod
   Steel rod
  JLSCW
  JLSJW*
*Also available with maintained contact. Add mts as suffix to code while ordering
SPARES & ACCESSORIES
    Description     Code Ordering
    Limit switch unit assembly    BC9S1
    38mm level with I8mm dia x 8mm wide metal roller    BC9L1
    76.2mm level with19mm dia x 8mm wide metal roller    BC9L2
    Adjustable type lever assembly    BC9LA
    Fork Type lever with rollers in line    BC9LF
    Fork Type lever with rollers off-set    BC9LFO
    Operating head for lever type limit switch    BC9HL
    Operating head for top plunger type limit switch(B - Button, R - Roller)    BC9HTP-B-R
    Operating head for side plunger type limit switch(B - Button, R - Roller)    BC9HSP-B-R

Accesory:

Oil tight conduit entry to the limit switch for 3/4" dia 16 TPI BS threads BCCE.

Dimensions (mm)

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