| Instrument Model |
Thermal System |
Range |
On-off Differential |
Contact Current Rating |
| 721 |
Vapour Filled -
Capillary & Bulb |
( -) 25 - (+)35 Deg C
to 230 to 300 Deg C |
Fixed |
5A / 15A 250V AC |
| 723 |
Vapour Filled -
Capillary & Bulb |
( -)25 - (to35 Deg C
230
to 300 Deg C |
Wide band Adjustable |
5A / 15A 250V AC |
781
(Dual Setpoint) |
Vapour Filled -
Capillary & Bulb |
( - )25 - (+)35 Deg C
to 230
to 300 Deg C |
Independent * |
5A / 15A 250V AC |
| 731 |
Vapour Filled -
Rigid Stem Bulb |
( - )25 -(+)35 Deg C
to 100
to 170 Deg C |
Fixed |
5A / 15A 250V AC |
| 733 |
Vapour Filled -
Rigid Stem Bulb |
( -)25 - (+)35 Deg C
tp 100
to 170 Deg C |
Wide band Adjustable |
5A / 15A 250V AC |
734
(Dual Setpoint) |
Vapour Filled -
Rigid Stem Bulb |
( - )25 - (+)35 Deg C
to 100 to 170 Deg C |
Independent * |
5A / 15A 250V AC |
| 741 |
Liquid Filled
Capillary & bulb |
( - )50 - (+)50 Deg C
to 150 to 300 Deg C |
Fixed |
5A / 15A 250V AC |
| 743 |
Liquid Filled
Capillary & bulb |
( - )50 - (+)50 Deg C
to 150 to 300 Deg C |
Adjustable |
5A / 15A 250V AC |
| 761 |
Mercury Filled -
Capillary & Bulb |
0 - 300 Deg C
to 150
to 550 Deg C |
Fixed |
15A 250V AC |
| 763 |
Mercury Filled -
Capillary & Bulb |
0- 300 Deg C
150
to 550 Deg C |
Wide band Adjustable |
15A 250V AC |
| 771 |
Gas Filled -
Capillary & Bulb |
(-)50 Deg C
to
(+)150 Deg C |
Fixed |
5A / 15A 250V AC |
| 773 |
Gas Filled -
Capillary & Bulb |
(-)50 Deg C
to (+)150 Deg C |
Wide band Adjustable |
5A / 15A 250V AC |
| 774 (Dual Setpoint) |
Gas Filled -
Capillary & Bulb |
(-)50 Deg C
to (+)150 Deg C |
Independent * |
5A / 15A 250V AC |
| * Independent Hi-Lo switching with Fixed Differential |
