Series ML1S
- Bi-Metallic Sensor
- Compact Design
- NEMA 4
- One Piece Design
- Proof Pressure up to 500 psi
- Proof Temperature up to 340°F
ML1S Series temperature switches are economic, bi-metallic, factory pre-set temperature switches that complement both our new and traditional temperature switch lines. The ML1S features a one-piece, brass thermowell design, which houses a bi-metallic, SPST snap switch. This one piece, brass housing comes standard with 1/2" process and conduit connections is rated NEMA 4 and IP65 and is UL and CSA recognized. Switching action is SPST, wired normally open or closed and rated for 15 amps @ 125 VAC, 10 amps @ 250 VAC. The one-piece design offers integrity against leaks vs. other welded two-piece designs. For low or high limit alarm, shut-off, or control, the ML1S is ideal for OEM applications when a compact, inexpensive temperature switch is required.
Specifications
General Specifications*
| Accuracy: | See adjacent table |
| Switch: | SPST-NO or SPST-NC |
| Wetted Parts: | Brass |
| Electrical Connection: | 18”, 18 AWG PTFE free leads |
| Electrical Ratings: | 15A @ 125 Vac; 10A @ 250 Vac |
| Enclosure/Housing | NEMA 4 |
| Process Connection: | 1/2″ NPT |
| Conduit Connection: | 1/2″ NPT |
| Proof Pressure: | 500 psi |
| Cycle Life: | 100,000 cycles |
| Approvals: | CE qualifi ed UL and CSA (cURus) |
| Temperature Range: | 50°F – 300°F |
| Proof Temperature: | 340°F |
| Warranty: | 1 year |
| Weight: | 0.15 lb. |
| * See product confi gurator for additional options. | |
General Specifications
| Catalog Number | Set Point | Accuracy | Differential (Fixed)1 |
|---|---|---|---|
| ML1S-50-I-C | 50°F (Inc.) | ±10°F | 27°F (15°C) |
| ML1S-70-I-C | 70°F (Inc.) | ±10°F | 27°F (15°C) |
| ML1S-75-I-C | 75°F (Inc.) | ±10°F | 27°F (15°C) |
| ML1S-125-I-C | 125°F (Inc.) | ±10°F | 18°F (10°C) |
| ML1S-130-I-C | 130°F (Inc.) | ±10°F | 18°F (10°C) |
| ML1S-165-I-C | 165°F (Inc.) | ±10°F | 18°F (10°C) |
| ML1S-200-I-C | 200°F (Inc.) | ±10°F | 18°F (10°C) |
| ML1S-235-I-C | 235°F (Inc.) | ±10°F | 18°F (10°C) |
| ML1S-275-I-C | 275°F (Inc.) | ±10°F | 27°F (15°C) |
| ML1S-300-I-C | 300°F (Inc.) | ±13°F | 36°F (20°C) |
| ML1S-75-D-C | 75°F (Dec.) | ±10°F | 27°F (15°C) |
| ML1S-130-D-C | 130°F (Dec.) | ±10°F | 18°F (10°C) |
| ML1S-200-D-C | 200°F (Dec.) | ±10°F | 18°F (10°C) |
| 1 Differential depends on service conditions and test methods | |||
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