Many engineers reviewing Omron EE-SX977-C1 also explore Omron SMPS 24V 10A, Omron Ee Sx671 and Omron Photoelectric Sensors E3T Series, ensuring they donβt miss strong alternatives before finalizing procurement decisions.
Omron EE-SX977-C1 Photomicrosensor
The Omron EE-SX977-C1 Photomicrosensor offers Throughbeam with slot, R-shaped, 5 mm Sensing distance, NPN Output, Connector (4 poles), 5 to 24 VDC Power supply voltage, With both Dark-ON and Light-ON mode. Manufactured by Omron under the Omron Photoelectric Sensors category, this model belongs to the Omron EE Series.

| Brand | Omron |
| Product | Photomicro Sensors |
| Model Number | EE-SX977-C1 |
Omron EE-SX977-C1 Photomicrosensor β Technical Specifications
| Specification | Value |
|---|---|
| Type | R-shaped |
| Sensing Method | Throughbeam with slot |
| Sensing Distance | 5 mm |
| Power Supply Voltage | 5 to 24 VDC |
| Control Output (Output Type) | NPN |
| Connection Method | Connector (4 poles) |
| Current Consumption | 21 mA |
| Operation Mode | With both Dark-ON and Light-ON |
| Control Output (Residual Voltage) | at 5 mA load current: 0.4 V max. at 50 mA load current: 1.0 V max. |
| Control Output (Load Current) | 50 mA max. |
| Indicator | Light indicator (orange) |
| Luminous Method | Non-modulated |
| Ambient Temperature (Operating) | -25 to 55 β (with no freezing or condensation) |
| Ambient Temperature (Storage) | -30 to 80 β (with no freezing or condensation) |
| Ambient Humidity (Operating) | 5 to 85 % (with no freezing or condensation) |
| Ambient Humidity (Storage) | 5 to 95 % (with no freezing or condensation) |
| Vibration Resistance | Destruction: 10 to 2000 Hz, 0.75 mm single amplitude in each X, Y, and Z directions (15 min, 10 cycle) |
| Shock Resistance | Destruction: 500 m/s2 for 3 times each in X, Y, and Z directions |
| Degree Of Protection | IP50 |
| Material | Case: Polybutylene terephthalate (PBT) Cover: Polybutylene terephthalate (PBT) Emitter/Receiver: Polycarbonate (PC) |
The Omron EE-SX977-C1 is a compact R-shaped photomicrosensor featuring a 5 mm grooved slot for reliable through-beam detection. Designed for space-constrained machinery, it offers efficient object sensing in packaging, positioning, and component counting applications.
This model includes NPN open collector outputs supporting both Light-ON and Dark-ON modes, allowing flexible logic integration based on the systemβs requirement. It features a connector-type design for easy installation and quick replacement, along with an orange LED indicator for status visibility. With a current consumption of 21 mA and max 50 mA output load, itβs optimized for energy efficiency.
Constructed with durable PBT and PC materials, the EE-SX977-C1 operates reliably in temperatures from -25Β°C to 55Β°C and offers IP50 protection. Itβs suitable for high-vibration environments and delivers Omronβs trusted sensing performance in an ultra-compact form.




