SCHNEIDER plug in relay RSB1A160B7

SCHNEIDER plug in relay RSB1A160B7 – Compact Industrial Electromechanical Interface Relay

The SCHNEIDER plug in relay RSB1A160B7 (part of Schneider Electric’s Harmony Electromechanical Relays range, formerly Zelio Relay) is a high-performance, single-pole interface relay designed for signal isolation, multiplication, and switching in modern control cabinets. Operating on a $24\text{ V AC}$ control coil supply ( $50/60\text{ Hz}$ ), this miniature relay features $1\text{ C/O}$ (SPDT) silver alloy contact capable of switching electrical loads up to $16\text{ A}$ at $250\text{ V AC}$ .

Engineered with a slim $12.5\text{ mm}$ width profile and flat PCB-type plug-in pins, the SCHNEIDER plug in relay RSB1A160B7 enables high-density mounting inside electrical switchboards and automation panels. It simplifies field maintenance by plugging smoothly into compatible DIN-rail mounting sockets equipped with screw or spring-clamp terminals.

As shown in the product image, the relay features a dark IP40-rated protective housing printed with detailed terminal schematics, coil input ratings, and safety certification markings (CE, UL, CSA, EAC).

Key Features of the SCHNEIDER plug in relay RSB1A160B7

High Switching Capacity ( $16\text{ A}$ Rating): Equipped with a single changeover ( $1\text{ C/O}$ ) contact rated for $16\text{ A}$ continuous thermal current ( $I_{the}$ ), allowing direct switching of heavy resistive and inductive loads up to $4000\text{ VA}$ / $448\text{ W}$ .
$24\text{ V AC}$ Control Circuit: Designed for standard $24\text{ V AC}$ control networks ( $50/60\text{ Hz}$ ), consuming a low average coil power of $0.75\text{ VA}$ to optimize cabinet energy usage.
Ultra-Slim Space-Saving Design: At only $12.5\text{ mm}$ wide, it reduces DIN rail footprint inside crowded control enclosures.
Long Mechanical & Electrical Lifespan: Offers robust durability rated for up to $10,000,000\text{ mechanical cycles}$ and $100,000\text{ electrical operations}$ at full rated load.
Silver Alloy (AgNi) Contacts: Constructed with high-grade silver nickel contacts ensuring low contact resistance and stable conductivity across low and high power applications.
High Galvanic Isolation: Provides high dielectric isolation ( $5000\text{ V AC}$ between coil and contacts) to safeguard sensitive microcontrollers and PLC output modules from power surges.

Common Applications and Practical Usage

The compact dimensions, fast switching speed ( $\le 20\text{ ms}$ response/reset time), and high current handling of the SCHNEIDER plug in relay RSB1A160B7 make it ideal for industrial automation and building management applications:

PLC Output Galvanic Isolation: Acts as an interface between PLC $24\text{ V AC}$ discrete outputs and high-voltage field devices (solenoid valves, contactor coils, and heaters).
Building Automation & HVAC: Drives fans, pumps, motorized dampers, and lighting circuits in commercial building management systems (BMS).
Packaging & Material Handling Machinery: Delivers fast and repeatable switching in automated conveyor belts, sorting mechanisms, and filling lines.
Industrial Control Cabinets: Serves as a reliable plug-in switching element in motor control centers (MCCs) and distribution panels.

Technical Specifications

The core electrical, mechanical, and environmental parameters for the SCHNEIDER plug in relay RSB1A160B7 are detailed below:

Parameter Specification	Technical Details & Operational Values
Component Classification	Interface Plug-In Electromechanical Relay
Primary Target Keyword	SCHNEIDER plug in relay RSB1A160B7
Manufacturer / Product Range	Schneider Electric / Harmony (Zelio) RSB Series
Commercial Part Reference	`RSB1A160B7`
Contact Configuration	$1\text{ C/O}$ (Single Pole Double Throw – SPDT)
Control Circuit Voltage ( $U_c$ )	$24\text{ V AC} \ (50/60\text{ Hz})$
Rated Operational Current ( $I_e$ )	$16\text{ A}$ at $250\text{ V AC}$ (NO) $8\text{ A}$ at $250\text{ V AC}$ (NC)
Max Switching Capacity	$4000\text{ VA}$ AC / $448\text{ W}$ DC
Coil Resistance / Consumption	$368\ \Omega\ (\pm 10\%)$ / $0.75\text{ VA}$
Contacts Material	Silver Nickel Alloy (AgNi)
Operating Response / Reset Time	$\le 20\text{ ms}$ / $\le 20\text{ ms}$
Mechanical / Electrical Durability	$10,000,000\text{ cycles}$ / $100,000\text{ cycles}$
Dimensions ( $H \times W \times D$ )	$29\text{ mm} \times 12.5\text{ mm} \times 19.5\text{ mm}$
IP Ingress Protection / Weight	IP40 (conforming to IEC 60529) / $0.014\text{ kg}\ (14\text{ g})$
Operating Temperature	$-40^\circ\text{C to }+70^\circ\text{C}$
International Standards	IEC/EN 61810-1, UL 508, CSA C22.2 No 14

Installation Guidelines and Best Practices

INSTALLATION TIP: Always pair the relay with a genuine Schneider Harmony RSZE socket (such as RSZE1S35M or RSZE05P) to ensure proper pin contact pressure and secure DIN-rail retention.

Socket Alignment: Align the flat PCB terminals of the SCHNEIDER plug in relay RSB1A160B7 straight into the socket channels to avoid bending the pins during insertion.

Ejection Clip: Use an optional plastic retaining/ejection clip on the socket to lock the relay securely in place in high-vibration machinery environments.

Suppression: When switching inductive DC loads across the relay contacts, install an external RC surge suppressor or flywheel diode to prolong contact lifespan.

To review official international IEC manufacturing specifications for electromechanical elementary relays and industrial interface accessories, consult the official IEC 61810-1 Electromechanical Elementary Relays Safety Standards Directory.

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SCHNEIDER plug in relay RSB1A160B7