Littelfuse MSM11W6, MSM Series, 12VDC, On-Delay Time Delay Relay SPST-NO (1 Form A) Fixed, 1 Sec Delay Chassis Mount
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The MSM Series replaces bi-metal type timing with reliable solid-state circuitry. There are no moving parts to arc or wear. It is a cost effective solution for OEM designers. It is available for printed circuit board mounting or surface mounting with a removable bracket and wire leads. The MSM Series offers immediate reset on removal of power.
Operation (Delay-on-Make)
The time delay begins upon application of input voltage. The output is de-energized before and during the time delay. At the end of the time delay, the output energizes and remains energized until input voltage is removed.
Reset: Removing input voltage resets the time delay and output
Specifications
| Time Delay | |
| Type | Analog Circuitry |
| Range | 0.05 - 180s fixed |
| Repeat Accuracy | ±5% |
| (Factory Calibration) | ±15% |
| Recycle Time | ≤ 75ms |
| Time Delay vs Temp. & Voltage | ±15% |
| Input | |
| Voltage | 12 or 24VDC; 24, 120, or 230VAC |
| Tolerance | ±10% |
| AC Line Frequency | 50/60 Hz |
| Output | |
| Type | Solid State |
| Form | NO, open during timing |
| Maximum Load Current |
0.5A steady state 25°C; 0.25A steady state 60°C |
| Minimum Holding Current | 40mA |
| Voltage Drop | ≅ 2.5V @ 0.5A |
| Protection | |
| Circuitry | Encapsulated |
| Dielectric Breakdown | ≥ 2000V RMS input to mounting surface |
| Insulation Resistance | ≥ 100 MΩ |
| Polarity | DC units are reverse polarity protected |
| Mechanical | |
| Mounting |
A.) PC mount 14 AWG (2.087mm2) wires (Can be inserted in AMP Miniature Spring Socket #645980-1) B.) Stranded 18 AWG wire leads (0.933 mm2) with mounting bracket |
| Environmental | |
| Operation/Storage Temperature | -20° to 60°C / -30° to 85°C |
| Humidity | 95% relative, non-condensing |
| Weight | P: ≅ 1.1 oz (31.2 g) W: ≅ 1.2 oz (34 g) |