HIMA H4116 (SIL3 Safety Relay, Isolated Type)

H4116 is a SIL3 safety isolated relay (terminal box type) from German HIMA, used for signal isolation and load switching in safety circuits, suitable for both regular and non-explosion-proof areas, and often used in conjunction with H41q/H51q systems.

1. Basic Information

Model: H4116 (H 4116)

Brand: HIMA (Germany)

Type: Safety Isolated Relay (Single Channel, With Sealed Contacts)

Safety Level: SIL3 (IEC 61508), Cat.4 (EN 954), PL e (ISO 13849)

Installation: 35mm DIN Rail

Weight: Approximately 0.32kg

Status: In Service, Dedicated for General Safety Circuits

II. Core Parameters

Input Voltage: 24VDC (-15% to +20%)

Operating Current: 20mA

Output Contacts: 1 passive conversion contact (sealed type)

Switching Voltage: 1mV to 250VAC/DC

Switching Current: 1mA to 4A

Switching Capacity: AC ≤ 1000VA (cosφ > 0.5); DC ≤ 120W (30V) / ≤ 40W (250V)

Action Time: Approximately 7ms; Reset Time: Approximately 5ms

Mechanical Life: ≥ 10⁷ times; Electrical Life: ≥ 2.5×10⁵ times (full load)

Operating Temperature: -25℃ to +50℃

Protection Grade: IP20

III. Key Functional Features

SIL3 Safety Certification: Complies with IEC 61508 SIL3, suitable for ESD, F&G, and conventional safety circuits.

Sealed Contact Design: Sealed contacts, dustproof and moisture-proof, suitable for harsh industrial environments.

Wide Voltage Compatibility: 24VDC wide input range, strong anti-vibration capability.

High Load Switching: Maximum 4A contact current, can directly drive loads such as solenoids and contactors.

Compact Modular: DIN rail installation, small in size (40×185×128mm), easy to replace and expand