Data Sheet

All specifications are subject to change without notice. All sales subject to standard

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©2023 Ashcroft Inc. t4-t7_switch_ds_RevI_10-18-23

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ORDERING CODE

Example:

T4

20

T05

027

XNH

75/205F

Enclosure

T4 - Watertight enclosure meets NEMA 3, 4, 4X, 13 and

IP66 requirements

T4

T7 - Explosion-proof enclosure NEMA 3, 4, 7 & 9, IP66

Switch Elements, UL/CSA Listed (1 SPDT)

20 - Narrow deadband ac, 15A, 125/250 Vac

20

21 - Ammonia service, 5A, 125/250 Vac

22 - Hermetically sealed, narrow deadband, 5A, 125/250 Vac

23 - Heavy duty ac, 22A, 125/250 Vac

24 - General purpose, 15A, 125/250/480 Vac

25 - Heavy duty dc, 10A, 125 Vac or dc, 1⁄8 HP, 125 Vac or dc

26 - Sealed environment proof, 15A, 125/250 Vac

27 - High temerature 300 °F, 15A, 125/250 Vac

28 - Manual reset trip on increasing, 15A, 125/250 Vac

29 - Manual reset trip on decreasing, 15A, 125/250 Vac

31 - Low level (gold) contacts, 15A, 125 Vac

32 - Hermetically sealed switch, general purpose, 11A, 125/250 Vac 5A, 30 Vdc

42 - Hermetically sealed switch, gold contacts, 1A, 125 Vac

50 - Variable dead band, 15A, 125/250 Vac

UL/CSA Listed Dual (2 SPDT acting as DPDT)

61 - Dual narrow deadband, 15A, 125/250 Vac

62 - Dual sealed environment proof, 15A, 125/250 Vac

63 - Dual high temp. 300 °F, 15A, 125/250 Vac

64 - Dual general purpose, 15A, 125/250/480 Vac, ½A, 125 Vdc, 1/4A, 250 Vdc

65 - Dual ammonia service, 5A, 125/250 Vac

67 - Dual hermetically sealed switch, narrow dead band, 5A, 125/250 Vac

68 - Dual hermetically sealed switch, general purpose, 11A, 125/250 Vac, 5A, 30 Vdc

70 - Dual low level gold contacts, 1A, 125/250 Vac

71 - Dual hermetically sealed switch gold contacts, 1A, 125/250 Vac

Thermal System Selection

Direct Mount

TS - Rigid

Remote Mount

T05 - 5´

T05

T10 - 10´

T15 - 15´

T20 - 20´

T25 - 25´

Bulb Length Selection

Direct Mount Length

“S” Dimension

Thermowell “U” Dimension (ordered separately)

027 -

23/4˝

NA

027

040 -

4˝

2½˝

060 -

6˝

4½˝

090 -

9˝

7½˝

120 -

12˝

10½˝

Remote Mount Bulb Length (Consult factory for custom or longer stem lengths)

030 -

3˝

2½˝

Options (If choosing an option(s) must include an “X”) (for more options, see table 1 on page 3)

X__

NH - Tagging Stainless steel

NH

Temperature Ranges (for all ranges, see table 2 on page 3)

75/205 °F

75/205F

T4/T7 Series NEMA 4X, 7/9 Temperature Switches