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3

WIRING

CAUTION: power must be switched OFF before wiring the unit.

Allowable operating range

Cast iron housing

with silver switch contacts
with silver/gold contacts HS

Internal ground wire

use min. 14 AWG wire

External ground wire

Terminal connections 

DPDT dry contact switch 

with silver contacts

Terminal connections 

DPDT dry contact switch 

with gold contacts

Terminal connections 

SPDT dry contact switch 

with silver or gold contacts

Terminal connections 

SPDT HS switch 

with silver or gold contacts

050

100

150

200

250

300

350

0

20

40

60

-20

-40

-40

Process Temperature (°C)

Ambient Temperature (°C)

Allowable operating range
Aluminium housing 

with silver switch contacts
with silver/gold contacts HS

050

100

150

200

250

300

350

0

20

40

60

-20

-40

-40

Process Temperature (°C)

Ambient Temperature (°C)

Allowable operating range

Cast iron housing with gold switch contacts

050

100

150

200

250

300

350

0

20

40

60

-20

-40

-40

Process Temperature (°C)

Ambient Temperature (°C)

Allowable operating range

Aluminium housing with gold switch contacts

050

100

150

200

250

300

350

0

20

40

60

-20

-40

-40

Process Temperature (°C)

Ambient Temperature (°C)

Содержание Tuffy T3 series

Страница 1: ...Side Mounted Float Level Switch Installation and Operating Manual Tuffy T3 Liquid Level Controls with Electric Switches...

Страница 2: ...xternal cage mounted Tuffy Flanged Tuffy Cut and remove the plastic shipping straps on anged units Flanged max nozzle length 85 mm 3 35 Field adjustable differential max nozzle length 110 mm 4 35 Inte...

Страница 3: ...PDT HS switch with silver or gold contacts 0 50 100 150 200 250 300 350 0 20 40 60 20 40 40 Process Temperature C Ambient Temperature C Allowable operating range Aluminium housing with silver switch c...

Страница 4: ...differential units The Adjustable Differential Tuffy II model T3C may be set in the eld for one of a variety of level differentials By speci c place ment of the stops in the holes of the adjustment pl...

Страница 5: ...te It is recommended that spare switches housing covers and o rings be kept on hand at all times 3 Inspect entire Tuffy T3 unit periodically A periodic cleaning of the oat and counterweight assembly w...

Страница 6: ...eci cation Measured variable Liquid level Physical range Narrow differential 13 mm 0 5 Adjustable differential up to 464 mm 18 26 Interface Service Differential 44 mm 1 72 Interface min S G difference...

Страница 7: ...5 85 3 33 T31 221 8 72 T33 190 7 50 T35 201 7 92 Cable entries M20 x 1 5 or 3 4 NPT 112 4 39 211 8 29 204 8 02 85 3 35 85 3 35 Cable entries M20 x 1 5 or 3 4 NPT T3C adjustable wide differential 112 4...

Страница 8: ...8 T3B interface 209 8 23 112 4 39 85 3 35 448 17 62 172 6 78 Cable entries M20 x 1 5 or 3 4 NPT DIMENSIONS in mm inches...

Страница 9: ...ECTION THREADED 2 N 2 NPT connection PROCESS CONNECTION DIN Flanges A 1 DN 80 PN 16 DIN 2527 Form C ange A 2 DN 80 PN 25 40 DIN 2527 Form C ange A 3 DN 80 PN 64 DIN 2527 Form E ange A 4 DN 80 PN 100 D...

Страница 10: ...II C T6 N Cast iron single 3 4 NPT cable entry ATEX II 1G EEx ia II C T6 P Cast aluminium single M20 x 1 5 cable entry ATEX II 1G EEx ia II C T6 R Cast iron single M20 x 1 5 cable entry ATEX II 1G EEx...

Страница 11: ...11...

Страница 12: ...essential that a Return Material Authorisation RMA form will be obtained from the factory It is mandatory that this form will be attached to each material returned This form is available through Magn...

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