Submittal Sheet

B-Series Switches – Pressure, Differential Pressure,
Temperature & Hydraulic
BULLETIN SW10
Ashcroft Inc., 250 East Main Street, Stratford, CT 06614 USA
Tel: [phone] • Fax: [phone]
email: [e-mail] • www.ashcroft.com
All specifications are subject to change without notice.
All sales subject to standard terms and conditions.
© Ashcroft Inc. 2007 10/08
B-SERIES TEMPERATURE SWITCH MODEL NUMBER:
To specify the exact switch desired, select entries from appropriate tables as shown in example below.
T 4 2 0 T 0 5
030
1 423
X N H
5
150° to 260°F
6
1 – ENCLOSURE
Temperature switch, Type 400, watertight enclosure
T4
meets NEMA 3, 4, 4X, 13 and IP66 requirements.
T
emperature switch, Type 700, explosion-proof
T7 enclosure meets Div. 1 & 2, NEMA 7, 9 and IP66
requirements
.
3 – THERMAL SYSTEM SELECTION
Direct Mount
Order Code System Material Style
TS 3l6 SS Rigid
Remote Mount
Order Code System Material Line Length Style
(9)
T05 316 SS 5´
Capillary
T10 316 SS 10´
with
T15 316 SS 15´ 302 SS
T20 316 SS 20´
Spring
T25 316 SS 25´
Armor
4 – BULB LENGTH SELECTION
Direct Mount
Minimum
Order “S” Thermowell
Code Dimension “U” Dimension
027
(8)
2
3
⁄4˝–
040 4˝ 2
1
⁄2˝
060 6˝ 4
1
⁄2˝
090 9˝ 7
1
⁄2˝
120 12˝ 10
1
⁄2˝
Remote Mount
030
(9)
3˝ 2
1
⁄2˝
5 – OPTIONS
Use table on page 7
6 – STANDARD TEMPERATURE
RANGE SELECTION
Adjustable Range
°F °C
–40 to 600 –40 to 160
0 to 100 –40 to 400
75 to 205 20 to 95
150 to 260 65 to 125
235 to 375 110 to 190
350 to 525 175 to 275
500 to 750
(2)
260 to 400
2 – SWITCH ELEMENT SELECTION
Order Switch Elements
Code UL/CSA Listed SPDT
20
(7)
Narrow deadband ac 15A, 125/250 Vac
21 Ammonia service 5A, 125/250 Vac
22
(6)
Hermetically sealed switch, 5A, 125/250 Vac
narrow deadband
23 Heavy duty ac 22A, 125/250 Vac
24
(1)
General purpose 15A, 125/250/480 Vac
1
⁄2A, 125 Vdc
1
⁄4A, 250 Vdc; 6A, 30 Vdc
25 Heavy duty dc 10A, 125 Vac or dc,
1
⁄8 HP, 125 Vac or dc
26
(7)
Sealed environment proof 15A, 125/250 Vac
27 High temperature 300°F 15A, 125/250 Vac
28
(5)
Manual reset trip on 15A, 125/250 Vac
increasing
29
(5)
Manual reset trip on 15A, 125/250 Vac
decreasing
31 Low level (gold) contacts 1A, 125 Vac
32 Hermetically sealed switch, 11A, 125/250 Vac
general purpose 5A, 30 Vdc
42 Hermetically sealed gold 1A, 125 Vac
contacts
50 Variable deadband 15A, 125/250 Vac
UL/CSA Listed Dual (2 SPDT)
61
(7)
Dual narrow deadband 15A, 125/250 Vac
62
(7)
Dual sealed environment 15A, 125/250 Vac
proof
63 Dual high temp. 300°F 15A, 125/250 Vac
64 Dual general purpose 15A, 125/250/480 Vac
1
⁄2A, 125 Vdc
1
⁄4A, 250 Vdc
65 Dual ammonia service 5A, 125/250 Vac
67
(4,6)
Dual hermetically sealed 5A, 125/250 Vac
switch, narrow deadband
68
(4)
Dual hermetically sealed 11A, 125/250 Vac
switch, general purpose 5A, 30 Vdc
70 Dual low level gold contacts 1A, 125 Vac
71
(4)
Dual hermetically sealed 1A, 125 Vac
switch, gold contacts
NOTES:
1 Standard switch.
2 Available with remote mount thermal systems only.
3 Dual switches are 2 SPDT snap-action switches, not independently
adjustable.
4 Wires cannot be terminated inside T400 switch enclosure.
5 Not available with Type 700 enclosure.
6 Estimated dc rating, 2.5A, 28 Vdc (not UL listed).
7 Estimated dc rating, 0.4A, 120 Vdc (not UL listed).
8 Not available on 350 to 525°F.
9 Consult factory on remote mount for bulb lengths other than 3.˝