Why Choose the EMAS B101S31 EMAS B SELECTOR SWITCH NON ILLUMINATED 2NO SINGLE SPRING RETURN (2-0-1)?
£10.58
The EMAS B101S31 is a professional 22mm industrial selector switch designed for reliable momentary control applications in automation systems, electrical panels, and machinery interfaces. Featuring an II-0-I selector configuration, 60° switching angle, single spring return mechanism, and two normally open (2NO) contacts, this EMAS B Series control unit provides dependable switching performance for industrial environments.
Manufactured by EMAS, the B101S31 selector switch is suitable for industrial control panels, machine operation stations, motor control systems, and automation equipment where momentary three-position selector control is required. Its standard 22mm mounting design, durable construction, and high mechanical endurance make it a reliable solution for professional electrical control applications.
The EMAS B101S31 selector switch is commonly used in industrial automation panels, machinery control stations, production equipment, electrical cabinets, motor control systems, and operator interfaces requiring reliable momentary selector operation.
The EMAS B101S31 combines reliable switching technology with robust industrial construction. Its II-0-I single spring return selector action, 2NO contact arrangement, 60° switching angle, and standard 22mm mounting compatibility provide a dependable solution for professional industrial control applications.
| Specification Value Product Code | B101S31 |
|---|---|
| Product Type | Selector Control Unit |
| Contact Type | 2NO |
| Operating Position | II-0-I |
| Operating Angle | 60° |
| Operating Mechanism | Single Spring Return |
| Mounting Diameter | 22mm |
| Rated Current (Ie) | 4A at 250V AC |
| Insulation Voltage (Ui) | 300V |
| Impulse Withstand Voltage (Uimp) | 2.5kV |
| Dielectric Strength (Body-Contact) | 2500V AC |
| Dielectric Strength (Contact-Contact) | 1500V AC |
| Isolation Resistance | 10MΩ minimum at 500V DC |
| Short Circuit Breaking Capacity | 1kA |
| Cable Section | 1.5-2.5mm² |
| Screw Torque | 1.5Nm |
| Standards | IEC 60947-5-1, TS EN 60947-5-1, UL 508, VDE 0660 |
The EMAS B101S31 is a 22mm selector switch control unit featuring II-0-I operation, 60° switching angle, single spring return action, and two normally open contacts.
The EMAS B101S31 features two normally open contacts (2NO).
The EMAS B101S31 is designed for standard 22mm panel mounting.
It is suitable for industrial automation systems, machinery controls, electrical panels, and operator control stations.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...