CZSR Classic Series – Reliable Signal Isolation

Chenzhu - CZSR Classic Series

CHENZHU company was established in 2002 by a group of 6 people who were part of a strategic national team set up in 1997 in Shanghai Institute of Process Automation Instrumentation (SIPAI). Chenzhu has since grown into a leading brand providing high quality protection product such as surge protection devices (lightning arrestors), intrinsic safety barriers, signal conditioners, safety relays, temperature transmitter and I/O, etc.

Chenzhu - E-Stop Button, Safety Gate Safety Relay

Chenzhu - Light Curtain Safety Relay

Chenzhu - Two-hand Push Buttons Safety Relay

Chenzhu - Safety Mat Safety Relay

Chenzhu - Extension Module Safety Relay

Chenzhu - E-Stop Button, Safety Gate Safety Relay

The E-Stop Button, Safety Gate Safety Relay from CHENZHU provides reliable safety control for emergency stop buttons and safety gates. It supports multiple contact configurations, ensuring flexibility for different safety circuit designs. With features like manual or automatic reset and short-circuit monitoring, it offers dependable protection in industrial environments.

CHENZHU safety relays are specifically designed for use with emergency stop buttons and safety gates to enhance operational safety in industrial applications. They support various output configurations, including 2NO+2NC, 3NO+1NC, or 2NO+1NC+3NO(t)+1NC(t), providing adaptability for different system requirements. The safety monitoring relays can operate in single or double channel mode, with manual or automatic reset options for operational convenience. Built-in short-circuit monitoring between channels ensures reliable performance and compliance with safety standards. Compact and durable, they are ideal for integration into diverse industrial safety control systems.

Applications

Industrial machinery emergency stop circuits
Safety gate monitoring in automated production lines
Packaging machinery safety systems
Process control equipment requiring emergency shutdown
Manufacturing plants and assembly lines

Specifications

Application: Emergency Stop Button & Safety Gate Safety Relay
Contact Configurations: 2NO+2NC, 3NO+1NC, 2NO+1NC+3NO(t)+1NC(t)
Operation Modes: Single channel / Double channel
Reset Modes: Manual / Automatic
Function: Short-circuit monitoring between channels

Benefits

Provides reliable safety control for E-stop buttons and safety gates
Multiple contact configurations for versatile system integration
Single or double channel operation modes
Manual or automatic reset for operational flexibility
Built-in short-circuit monitoring for enhanced safety compliance

More details

Chenzhu - Light Curtain Safety Relay

The Light Curtain Safety Relay is designed to work with PNP-type light beam devices, providing high-level fail-safe protection for critical processes. It supports advanced functions such as release delay, muting, stepping, and multi-curtain protection. With selectable single or dual channel operation, manual or automatic reset, and short-circuit monitoring, it ensures reliable safety control in industrial environments.

The Light Curtain Safety Relay offers dependable safety control for machinery and processes requiring light curtain protection. Compatible with PNP-type light beam devices, it delivers precise fail-safe operation to safeguard personnel and equipment. This safety relay supports multiple advanced functions, including release delay, muting, stepping, and simultaneous protection for multiple curtains. Users can select between single or dual channel operation and choose manual or automatic reset for operational flexibility. Built-in short-circuit monitoring between channels ensures compliance with stringent safety standards.

Applications

Industrial machinery with light curtain protection
Automated production lines requiring personnel safety monitoring
Packaging and assembly equipment
Robotic work cells
Hazardous area access control systems

Specifications

Device Compatibility: PNP-type light beam devices
Functions: Release delay, muting, stepping, multi-curtain protection
Operation Modes: Single channel / Dual channel
Reset Options: Manual / Automatic
Safety Feature: Short-circuit monitoring between channels

Benefits

Reliable safety control for PNP-type light curtain devices
Advanced functions: release delay, muting, stepping, and multi-curtain protection
Single or dual channel operation for flexible configurations
Manual or automatic reset modes
Built-in short-circuit monitoring for enhanced safety

More details

Chenzhu - Two-hand Push Buttons Safety Relay

The CZSR8201 Two-hand Push Buttons Safety Relay is designed to ensure safe operation of hazardous machinery by requiring simultaneous actuation of two separate buttons. Ideal for preventing accidental or unintended machine activation, it enhances operator safety in high-risk applications. This dual-channel safety relay provides reliable performance and compliance with industrial safety standards.

The CZSR8201 is a dedicated two-hand control safety relay suitable for machinery with hazardous closing movements. It requires the operator to press two separate buttons within a set time frame, ensuring intentional operation and reducing the risk of injury. Designed for dual-channel configuration, it provides redundancy and fault monitoring for added safety. This safety relay is widely used in machinery that demands high levels of operator protection, such as presses, cutters, and automated assembly equipment. With a robust design, it delivers dependable performance in industrial environments.

Applications

Press machines
Cutting and stamping equipment
Automated assembly lines
Hazardous machinery with moving parts
Industrial manufacturing safety systems

Specifications

Model: CZSR8201
Function: Two-hand control safety relay
Operation: Requires simultaneous actuation of two buttons
Channels: Dual channel
Application: Hazardous closing movement machinery

Benefits

Prevents accidental or unintended machine operation
Ensures both hands are away from danger zones during machine activation
Dual-channel design for increased safety reliability
Reduces operator risk in hazardous machinery applications
Complies with industrial safety regulations

More details

Chenzhu - Safety Mat Safety Relay

The Safety Mat Safety Relay ensures maximum operator protection by providing reliable fail-safe control for safety mats and edges. Designed for critical industrial applications, it supports both 2-wire and 4-wire safety mats with automatic or monitored manual reset options. Its versatile design makes it ideal for safeguarding personnel in hazardous work areas.

Our Safety Mat Safety Relay is engineered to deliver dependable fail-safe operation for industrial safety mats and edge applications. It can accommodate both 2-wire and 4-wire safety mats or edges, providing flexibility for various installation needs. Users can select between automatic reset or monitored manual reset modes to suit their safety protocols. This relay supports multiple output configurations, including 3 NO + 1 NC, 2 NO + 1 NC + 1 SO, or timed variants such as 2 NO(t) + 1 NC(t). Designed for robust safety performance, it is suitable for environments where reliable machine shutdown upon operator presence detection is critical.

Applications

Assembly lines

Robotics work cells

CNC machining centers

Automated conveyor systems

Hazardous machinery zones requiring area protection

Specifications

Function: Safety mat/edge relay
Wiring Options: 2-wire or 4-wire safety mats/edges
Reset Modes: Automatic reset or monitored manual reset
Application: Fail-safe shutdown for safety mats and edges
Output Contacts:

3 NO + 1 NC

2 NO + 1 NC + 1 SO

2 NO(t) + 1 NC(t) (timed outputs)

Benefits

Ensures quick and safe shutdown of machinery when a safety mat or edge is triggered
Supports multiple wiring configurations for flexible integration
Provides both automatic and monitored manual reset options
Compatible with various safety mat and edge systems
Complies with international industrial safety standards

More details

Chenzhu - Extension Module Safety Relay

Extension Module Safety Relays are designed to expand the contact outputs of emergency-stop and safety gate monitoring systems. These modules enhance safety circuit reliability and support fault diagnostics. Ideal for industrial automation environments requiring scalable safety solutions.

More details

Brands

Product Types

Industries We Serve

Chenzhu - CZSR Classic Series

Chenzhu - E-Stop Button, Safety Gate Safety Relay

Chenzhu - Light Curtain Safety Relay

Chenzhu - Two-hand Push Buttons Safety Relay

Chenzhu - Safety Mat Safety Relay

Chenzhu - Extension Module Safety Relay

Chenzhu - E-Stop Button, Safety Gate Safety Relay

Benefits

Chenzhu - Light Curtain Safety Relay

Benefits

Chenzhu - Two-hand Push Buttons Safety Relay

Benefits

Chenzhu - Safety Mat Safety Relay

Benefits

Chenzhu - Extension Module Safety Relay

Benefits