Terminal Block Diaphragm Switch
D1T, D2T Series
• High reliability
• High accuracy
• NEMA 4
• Ideal for pressure and vacuum applications
• Single and dual switching capability
• Tamper-proof external adjustment
Select a link under the "item" tab below to order.
| Table 1 | Table 2 | Table 3 | Table 4 | Table 5 | Table 6 |
| X | XXX | XX | XXX | XXX | XX |
| Table 1 | H |
| H | Hermetically sealed limit switch option - Class I, Division II (requires AA, CC, GH or HH limit switch |
| Table 2 | Base Configuration |
| D1T | Single setpoint housed with terminal block |
| D2T | Dual setpoint housed with terminal block |
| Table 3 | Limit Switch |
| -AA | Hermetically sealed; 4 amps @ 125/250 VAC (not available on 2SS or vacuum models) |
| -HH | Hermetically sealed; 5 amps @ 125/250 VAC (not available on 2SS or vacuum models) |
| -GH | Hermetically sealed; 1 amp @ 125 VAC with gold contacts (not available on 2SS or vacuum models) |
| -CC | Hermetically sealed; 10 amps @ 125/250 VAC (not available on 2SS or vacuum models) |
| -GH | 1 amp @ 125 VAC; 1 amp @ 24 VDC with gold contacts (not -UL approved) |
| -M | 10 amps @ 125/250 VAC; 3 amps @ 480 VAC; 0.5 amps @ 125 VDC; 0.25 amps @ 250 VDC (not -U or -UL approved) |
| -J | 10 amps @ 125/250 VAC; 3 amps @ 480 VAC; (comes with an elastomer boot, not -U or -UL approved) |
| -H | 10 amps @ 125/250 VAC; 3 amps @ 480 VAC; (standard for pressure range 2SS or 18SS) |
| -C | 10 amps @ 125/250/480 VAC; 2 amps @ 600 VAC; 0.1 amps @ 125 VDC; 0.05 amps @ 250 VDC |
| -B | 10 amps @ 125/250/480 VAC; 2 amps @ 600 VAC; 0.05 amps @ 125 VDC; 0.03 amps @ 250 VDC |
| -A | 10 amps @ 125/250 VAC; 3 amps @ 480 VAC; (standard for pressure range 3SS, 80SS or 150SS) |
| Table 4 | Adjustable Range |
| Adjustable Range (PRESSURE) |
| 3SS | .03 (.00) | .18 (.02) | .07 - .15 (.0 - .01) |
| Adjustable Range (VACUUM) |
| 18SS | 0.8 | 1.6 | .4 - .8 |
| Adjustable Range (VACUUM) |
| 3SS | 0.06 | 0.34 | .14 - .28 |
| Adjustable Range (VACUUM) |
| Min | Min |
| Adjustable Range (VACUUM) |
| Decreasing - In. Hg | Increasing - In. Hg | Approx.Deadband(Actuation Value) In. Hg |
| Adjustable Range (PRESSURE) |
| 150SS | 1.5 (.1) | 7.5 (.5) | 2.3 - 6 (.2 - .4) |
| Adjustable Range (PRESSURE) |
| 80SS | .5 (.03) | 3.9 (.3) | 1.6 - 3.4 (.1 - .2) |
| Adjustable Range (PRESSURE) |
| 18SS | .4 (.03) | .66 (.05) | .12 - .26 (.01 - .02) |
| Adjustable Range (PRESSURE) |
| 2SS | 0.018 (.0) | 0.068 (.0) | .02 - .05 (.0 - .0) |
| Adjustable Range (PRESSURE) |
| Min | Min |
| Adjustable Range (PRESSURE) |
| Decreasing - psi (bar) | Increasing - psi (bar) | Approx.Deadband(Actuation Value) psi (bar) |
| Table 2 | Pressure Connection |
| -P2 | 1/2” NPT female pressure connection |
| Table 3 | Options |
| -U | UL Approved |
| -UL | UL Approved Model |
| -CS | CSA Approved Model |
| -Z1 | Oxygen cleaned |
| -FX | NEMA 4X enclosure |
| -TC | Temperature stabilization and pre-cycle 6-Pin Terminal Block (for |
| -L6 | D2T models only. Non-UL listed) |
| -Sxxx | Factory pre-set (consult factory) |
