MZ15 High Range Compound Switches
Product Information:
- Product Name: MZ High Range Compound Switches
- Features:
- Transparent tough polycarbonate cover for visibility
- Separate terminal block for wiring
- Cable gland as a standard accessory
- Non corroding exteriors for a long life of the switch
- Internal setscrew to avoid easy access to setpoint
- Large spring for ease of setpoint
- IP66 enclosure for excellent ingress protection
- Sealing facility to avoid tampering of working switch
- SS316 & PTFE as wetted parts to switch a wide variety of
media - Approximate Weight: 0.550 Kg.
- Applications: Used in humid or slightly corrosive atmosphere
like jet dyeing machines, etc.
- Electrical Connection: Fig. 2
Product Usage Instructions:
To use the MZ High Range Compound Switches, follow the
installation and configuration instructions below:
Installation:
- Refer to the installation drawing provided in the user
manual. - Mount the switch using the provided mounting bracket.
- Ensure that the switch is securely fastened and the enclosure
is properly sealed. - Connect the electrical cables to the separate terminal
block. - Use the cable gland to secure the cables and provide additional
protection. - Choose the appropriate cable entry size (M20 x 1.5 threads)
based on your requirements.
Configuration:
To configure the MZ High Range Compound Switches, follow the
steps below:
- Refer to the range selection table provided in the user manual
to determine the desired range code. - Select the appropriate range code based on the desired pressure
range in bar or psi. - Determine the maximum working pressure for your application
based on the range code. - Choose the appropriate microswitch type based on your
requirements. - For actuation and/or deactuation at the same point, use a
separate DPDT relay with a separate power supply for its coil. - For any non-standard options or further assistance, contact the
sales office.
Note: The differential values may vary depending on the pressure
range selected and microswitch type. For actual values, please
contact the sales office.
MZ HIGH RANGE COMPOUND SWITCHES
Transparent tough polycarbonate cover
for visibility
Separate terminal block
for wiring
Cable gland as a standard accessory
Non corroding exteriors for a long life of the switch
Internal setscrew to avoid easy access to setpoint
Large spring for ease of setpoint
IP66 enclosure for excellent ingress protection
Sealing facility to avoid tampering of working switch
SS316 & PTFE as wetted parts to switch a wide variety of media
Approximate Weight : 0.550 Kg.
Some Applications : Used in humid or slightly corrosive atmosphere like jet dyeing machines, etc.
Electrical Connection :
Fig. 2
Z
2
3
1
Bulletin No. KA220802
186
MZ HIGH RANGE COMPOUND SWITCHES
PRESSURE CAPSULE DETAILS
No. Description 1. Disc 2. O-Ring (PTFE®) 3. Pressure Housing (SS316) 4. Steel Ring (SS316) 5. Diaphragm (PTFE®) 6. Plunger (SS316) 7. Spring (SS316)
1 2 3
Note : wetted parts are mentioned in italics.
INSTALLATION DRAWING
115 (4.53)
4 5 6 7
85 (3.35)
Enclosure
85 (3.35)
Cover Locking Screw 4 Nos.
Cable Entry
M20 x 1.5 (Options Available)
5.5 (0.21) 2 Nos.
Bulletin No. KA220802
50 (1.97)
19 Hex. (0.74 Hex.)
187
125 (3.35)
Pressure Port 1/4″ BSPF (Options Avail.)
Mounting Bracket
APPROX. DIMENSIONS IN
mm inches
57
25 (0.98)
MZ HIGH RANGE COMPOUND SWITCHES
RANGE SELECTION TABLE
Range Code
Range bar (psi)
C01
-1 to 1.0 (-14.50 – 14.50)
C02
-1 to 1.5 (-14.50 to 21.75)
C03
-1 to 2.6 (-14.50 – 37.71)
C04
-1 to 3.6 (-14.50 – 52.26)
C07
-1 to 7 (-14.50 – 101.526)
Differential* bar (psi) Approximate Maximum for “A1″ microswitch 0.2 (2.90)
0.3 (4.35)
0.4 (5.80)
0.6 (8.70)
0.8 (11.60)
Maximum Working Pressure
bar (psi)
12 (174.05)
12 (174.05)
12 (174.05)
12 (174.05)
12 (174.05)
Note:
1. The minimum differential increases with the setpoint. The differential values mentioned in the above table are approximate maximum for FSR. The differential value will vary according to the pressure range selected and microswitch type. For actual values of differential please contact sales office.
2. When using 2SPDT switching arrangement, both microswitches may not actuate and/or deactuate at the same point. A small stage gap, normally upto +/- 5% FSR (depending on range code) may be observed. The On-Off differential (hysterisis) typically tends to be atleast double of those published for 1SPDT pressure switches.
If actuation and/or deactuation at same point is critical part of operation, then it can be achieved by using a separate DPDT relay. This relay will need a separate power supply for it’s coil.
75Bulletin No. KA220802
188
HOW TO ORDER INDUSTRIAL HIGH RANGE COMPOUND SWITCHES
HIGH RANGE COMPOUND MZ SWITCHES
189
Group 1
Non standard allocation
Group 2
Gas Group Classification
Group 3 Cable Entry Size
Group 4 Switch Type
Group 5
Range Code (values in bar)
Group 6
Microswitch Type
Group 7
Pressure Port Material / Size
Group 8 Diaphragm
Reserved for non-standard options not covered in catalogue. Will be given by manufacturer, only after agreement of supply details with customer.
MZ = Process pressure switch with a weatherproof enclosure rated IP66 as per IS/IEC 60529
Note : Contact sales office for IP 68 enclosure
1 = Polycarbonate Enclosure ½” NPT threads
2 = Polycarbonate Enclosure ¾” NPT threads
3 = Polycarbonate Enclosure M20 x 1.5 threads
4 = Diecast Al. Enclosure ½” NPT threads
5 = Diecast Al. Enclosure ¾” NPT threads
6 = Diecast Al. Enclosure M20 x 1.5 threads
7 = SS Enclosure ½” NPT threads
8 = SS Enclosure ¾” NPT threads
9 = SS Enclosure M20 x 1.5 threads
Note : For dual cable entries contact sales office
CF1 = compound switch, fixed differential without scale
CF2 = compound switch, fixed differential with scale in bar
C01 = (-1 to 1.0) C03 = (-1 to 2.6) C04 = (-1 to 3.6) C07 = (-1 to 7)
*CA1 = compound switch, adjustable
differential without
scale
*CA2 = compound switch, adjustable
differential with
scale in bar
*Available with A6, A9 & B9 (in group 6) only
A8 = General purpose microswitch
A7 = 2SPDT microswitches
A9 = General purpose microswitch
S1 =
0=
SS316 / ¼” BSP(F) Neoprene
S2 =
1 =
SS316 / ¼” NPT(F) PTFE
2 = SS 316L
More options available. * Please refer note under Please contact Range Selection Table sales office.
eg. An industrial switch for gas group IIC, with ½” NPT cable entry in aluminium housing as 1SPDT pressure switch, having -1 bar to +1 bar pressure range, with 15 Amp. microswitch, SS316 pressure housing with ¼” BSP port size & Neoprene diaphragm shall be specified by
Group 1
Group 2 MD
Group 3 1
Group 4 CF1
Group 5 C01
Group 6 A8
Group 7 S1
Group 8 0
Please specify full model number to avoid ambiguity. If only the first two groups are specified while ordering, uncalibrated switches with standard wetted parts and enclosures will be supplied.
57 Bulletin No. KA220802
