New Original Omron E2B-M12KS04-M1-B1 Proximity sensor
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New Original Omron E2B-M12KS04-M1-B1 Proximity Sensor
1. Product Overview
The E2B-M12KS04-M1-B1 is a brand-new cylindrical inductive proximity sensor from Omron’s E2B standard sensor lineup, built for general industrial metal detection tasks. This unit features an M12 threaded metal housing, a 4 mm standard sensing distance, NPN output type, and a shielded front sensing face design. It adopts an M1 metal connector plug for quick plug-and-play wiring, eliminating tedious terminal wiring operations.
Inductive proximity sensors detect ferrous and non-ferrous metal targets without physical contact, widely applied in automated assembly lines, packaging machinery, conveyor position detection, stamping equipment, injection molding auxiliary fixtures, and material counting stations. The E2B series balances stable performance and cost efficiency, with full factory quality inspection covering shock resistance, electromagnetic interference suppression, long-term switching life, and water/dust protection. The shielded structure allows flush installation inside metal mounting brackets without reducing effective sensing range, making it ideal for compact mechanical installation spaces.
2. Main Functions
2.1 Non-contact Metal Detection
- Identifies iron, copper, aluminum, brass and other metallic objects without mechanical contact, zero wear on sensor and workpiece
- Fixed 4 mm rated sensing distance for consistent trigger signals when metal targets enter the detection zone
- Shielded construction supports flush mounting into metal brackets without sensing distance attenuation
2.2 Electrical Output & Circuit Protection
- NPN switching output (sinking type), compatible with most mainstream PLC digital input terminals
- Built-in reverse polarity protection, short-circuit protection and surge voltage protection to avoid damage from miswiring
- Integrated LED status indicator to visually show detection trigger state for on-site troubleshooting
2.3 Connector-Based Quick Wiring
- M1 round plug integrated on sensor body for fast disassembly and replacement
- Standard 3-wire DC 24V circuit design, widely matched with industrial control systems
- Separate power, ground and signal pins clearly defined on the M1 connector
2.4 Harsh Environment Adaptation
- IP67 dustproof and waterproof enclosure, stable operation in workshop environments with coolant splashes, metal dust and humidity
- Anti-vibration mechanical structure to withstand continuous vibration from conveyors and press equipment
- Wide operating temperature range adapts to cold storage production lines and warm molding workshops
3. Detailed Technical Specifications
| Specification Item | Parameter Details |
|---|---|
| Model | E2B-M12KS04-M1-B1 |
| Sensor Type | Inductive proximity sensor, shielded cylindrical |
| Thread Housing Size | M12 × 1 stainless steel threaded body |
| Rated Sensing Distance | 4 mm |
| Output Type | NPN NO (Normally Open) |
| Operating Power Supply | DC 12 V ~ 24 V |
| Output Load Current | Max 200 mA |
| Response Frequency | 1.5 kHz maximum switching frequency |
| Connection Method | M1 integrated metal plug connector |
| Wire Count | 3-wire system |
| Indicator Light | Red LED detection status indicator |
| Protection Grade | IP67 |
| Operating Temperature | -25 °C ~ +70 °C |
| Storage Temperature | -40 °C ~ +85 °C |
| Vibration Resistance | 10 to 55 Hz, amplitude 1.5 mm, 2 hours each axis |
| Shock Resistance | 500 m/s², 1000 times for each axis |
| Repeat Accuracy | ±0.08 mm |
| Standard Compliance | IEC 60947-5-2, CE certified |
| Installation Mode | Flush mounting (shielded design) |
4. Product Dimensions & Weight
4.1 External Dimensions
- Thread diameter: M12
- Total body length (including M1 plug): 68 mm
- Thread section length: 40 mm
4.2 Weight Data
- Net weight of single sensor: 0.042 kg
- Gross weight with original retail package: 0.068 kg
4.3 Installation Accessories
Matched M12 plastic lock nut and rubber gasket included for secure mounting on metal or plastic mounting plates.
5. Core Technical Features
- Shielded M12 structure allows flush installation inside metal fixtures without sensing distance loss, saving mechanical design space.
- Built-in multi-layer circuit protection prevents burnout caused by reverse wiring, output short circuit and instantaneous voltage surges.
- IP67 sealed housing resists coolant, cutting oil, metal powder and water splashes in machining and packaging workshops.
- Stainless steel threaded housing delivers strong wear resistance against collision and friction during long-term production.
- M1 quick plug connector realizes fast sensor replacement without reworking wiring terminals, reducing equipment downtime.
- High repeat detection precision ensures stable counting and positioning signals for high-precision assembly equipment.
- Wide DC 12–24V power supply range adapts to various industrial DC control power supplies.
- Clear red LED indicator enables maintenance staff to quickly confirm sensor trigger status without measuring circuits.
- Low residual voltage of NPN output guarantees reliable signal recognition by compact PLC input modules.
- Long electrical switching service life, suitable for high-frequency continuous detection scenarios on automated production lines.
6. 10 Similar-Function Omron Inductive Proximity Sensors (E2B M12 Series)
- E2B-M12KS04-WZ-B1: M12 shielded 4 mm NPN NO sensor with 2 m fixed cable instead of M1 plug
- E2B-M12KS04-M1-C1: M12 4 mm shielded proximity sensor, NPN NC normally open-close output, M1 connector
- E2B-M12KS04-M1-B2: M12 4 mm shielded PNP NO proximity sensor with M1 metal plug
- E2B-M12LS04-M1-B1: M12 long body shielded 4 mm NPN NO sensor, extended housing for deep installation holes
- E2B-M12KN08-M1-B1: M12 unshielded type with 8 mm long sensing distance, NPN NO, M1 plug connection
- E2B-M12KS02-M1-B1: M12 shielded short-range model, 2 mm sensing distance for narrow detection gaps
- E2B-M12KS04-M1J-B1: M12 4 mm NPN NO sensor with straight M1 plug (right-angle plug for E2B-M12KS04-M1-B1)
- E2B-M12KS04-M1-B3: M12 shielded dual-output version with both NPN NO and NC signals
- E2B-M12KS04-WP-B1: M12 4 mm NPN NO sensor with waterproof fixed PVC cable, no plug connector
- E2B-M12KS04-M1-D1: M12 high-temperature variant, stable working up to +80 °C for molding oven peripheral detection
WHO WE ARE
Sobre nosotros
Located in Kunshan, China, Atifts Technology Co., Ltd. is a well-known enterprise specializing in electronic components distribution. We specialize in the sales of global brands of industrial automation components, with a wealth of experience in foreign product agents, and many of the world's leading manufacturers such as Keens, Schneider, SMC, ABB, Siemens, and other world-renowned manufacturers to establish a long-term and stable relations of cooperation.
Atifts Technology Co., Ltd. @ 2024
Over the years, we have always adhered to the "pioneering, pragmatic, standardized, innovative" management philosophy, and constantly promote the close integration of products and market demand. We firmly believe that only by constantly exploring new market areas, doing a good job in every detail, standardizing business processes, and continuously innovating products and services can we ensure that our products are more adaptable to market changes and meet the diversified needs of our customers.
Since the founding of the company, we have always adhered to the core concept of "survival by quality", and are committed to providing customers with high-quality electronic components. At the same time, we take specialized R & D manufacturing as the goal, market-oriented development strategy to ensure that our products are always in the forefront of the industry.
With excellent product quality, professional technical service and good market reputation, Kunshan Autofits Technology Co.,Ltd. has won the trust and support of our customers. We look forward to working with more partners hand in hand, to achieve long-term win-win relationship, and jointly promote the prosperity of the electronic components industry.
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