Name: Siemens 3SU1100-1HB20-1CH0 Emergency Stop Actuator - INOSAKI
SKU: Siemens-3SU1100-1HB20-1CH0
Price: 37.31 USD
Availability: InStock

Technical Overview

22mm round plastic red 40mm mushroom actuator with positive latching, rotate-to-unlatch mechanism. Features 1 NC screw terminal, IP69K, and 500V insulation.

Key Features

Mushroom-type actuator with 40 mm outer diameter
22 mm mounting diameter for standard installation
Red, round plastic actuating element
Positive latching operation for assured stop state
Rotate-to-unlatch reset mechanism
Supplied with yellow "NOT-HALT" backing plate
Includes one Normally Closed (NC) contact module
Screw-type terminals for reliable electrical connection
High ingress protection ratings: IP66, IP67, IP69(IP69K)
NEMA protection ratings: 1, 2, 3, 3R, 4, 4X, 12, 13
Rated insulation voltage of 500 V
Mechanical service life of 300,000 operating cycles
Electrical endurance of 300,000 operating cycles
Wide operating temperature range: -25 to +70 °C

Technical Specification Matrix

Parameter	Value
Type of voltage of the operating voltage	AC/DC
Surge voltage resistance rated value	6 kV
Protection class IP	IP66, IP67, IP69(IP69K)
Protection class IP of the terminal	IP20
Degree of protection NEMA rating	1, 2, 3, 3R, 4, 4X, 12, 13
Shock resistance (IEC 60068-2-27)	sinusoidal half-wave 15 g / 11 ms
Shock resistance (railway EN 61373)	Category 1, Class B
Vibration resistance (IEC 60068-2-6)	10 ... 500 Hz: 5 g
Vibration resistance (railway EN 61373)	Category 1, Class B
Operating frequency maximum	600 1/h
Mechanical service life (operating cycles) typical	300000
Electrical endurance (operating cycles) typical	300000
Thermal current	10 A
Continuous current of the C characteristic MCB	10 A
Continuous current of the quick DIAZED fuse link	10 A
Continuous current of the DIAZED fuse link gG	10 A
Operating voltage at AC (50 Hz rated value)	5 ... 500 V
Operating voltage at AC (60 Hz rated value)	5 ... 500 V
Operating voltage at DC rated value	5 ... 500 V
Contact reliability	One maloperation per 100 million (17 V, 5 mA), one maloperation per 10 million (5 V, 1 mA)
Design of the contact of auxiliary contacts	Silver alloy
Number of NC contacts for auxiliary contacts	1
Number of NO contacts for auxiliary contacts	0
Type of electrical connection	Screw-type terminal
Connectable conductor cross-sections solid with core end processing	2x (0.5 ... 0.75 mm²)
Connectable conductor cross-sections solid without core end processing	2x (1.0 ... 1.5 mm²)
Connectable conductor cross-sections finely stranded with core end processing	2x (0.5 ... 1.5 mm²)
Connectable conductor cross-sections finely stranded without core end processing	2x (1.0 ... 1.5 mm²)
Connectable conductor cross-sections for AWG cables	2x (18 ... 14)
Tightening torque of the screws in the bracket	1 ... 1.2 N-m
Tightening torque for auxiliary contacts with screw-type terminals	0.8 ... 0.9 N-m
Product function suitable for safety function	Yes
Service life maximum	20 a
Insulation voltage rated value	500 V
Degree of pollution	3
Ambient temperature during operation	-25 ... +70 °C
Ambient temperature during storage	-40 ... +80 °C
Mounting diameter	22.3 mm
Outer diameter of the actuating element	40 mm
Installation height	46.4 mm
Installation width	75 mm
Installation depth	48.6 mm
Physical Weight (kg)	0.0785
Dimensions L x W x H (cm)	10 x 10 x 4

Industrial Applications

1. Emergency Machine Shutdown on Production Lines

Industrial production lines, especially those involving heavy machinery or automated processes, require immediate and reliable emergency stop mechanisms to prevent accidents or severe equipment damage. This actuator provides a clear, highly visible interface for operators.

Problem Solved

Prevents severe injuries to personnel and minimizes damage to high-value machinery by enabling rapid, secure machine shutdown via a positive latching, rotate-to-unlatch emergency stop, compliant with safety standards.

Machine safetyautomationproduction lineemergency stoppositive latchingEN ISO 13850

2. Safety Interlock for Conveyor Systems in Wet/Dusty Environments

Conveyor belt systems in manufacturing, packaging, or material handling often operate in challenging conditions with exposure to dust, debris, or washdowns. An emergency stop must remain functional and reliable under these circumstances.

Problem Solved

Ensures reliable emergency shutdown functionality in harsh industrial settings prone to dust or water exposure, maintaining operational integrity and safety through its IP69K rating and robust mechanical design, preventing system failures or accidents.

Conveyor systemsmaterial handlingwashdowndust protectionIP69Kindustrial safetysystem interlock

3. Operator Safety in Robotic Work Cells

Robotic work cells present inherent dangers to human operators during setup, maintenance, or fault conditions. A readily accessible and unmistakable emergency stop is paramount to ensure operator safety and compliance with robotic safety protocols.

Problem Solved

Provides a critical safety interface for human operators working near industrial robots, allowing instant and definitive cessation of robotic movement to mitigate hazards, supported by positive opening functionality and high reliability.

Robotic safetyindustrial robotswork celloperator protectionpositive openinghazard mitigationautomation safety