Product Description
Product Overview
The HIMA H 4135A is a Safety-Related Relay Amplifier designed for use in safety-critical industrial automation applications, such as process control and burner management systems. Manufactured by HIMA Paul Hildebrandt GmbH, a leader in functional safety solutions, this relay module is housed in a terminal block case and provides safe isolation between input and output circuits up to Safety Integrity Level (SIL) 3 and Category 4 per IEC 61508. It features diverse relays with a normally open (NO) contact configuration, ensuring reliable switching for safety shutdowns, such as interrupting fuel supply in combustion plants. The module is suitable for DIN rail mounting and can be used in Zone 2 hazardous areas with proper enclosure, offering robust performance in harsh industrial environments.
Technical Information
| Item | Specifications |
|---|---|
| Manufacturer | HIMA Paul Hildebrandt GmbH |
| Series | HIMA Safety Systems |
| Model/Part Number | H 4135A |
| Description | Safety-Related Relay Amplifier |
| Rated Voltage | 24 V DC |
| Switching Voltage | 250 V AC / 220 V DC |
| Contact Configuration | Normally Open (NO) |
| Safety Integrity Level | SIL 3 / Category 4 |
| Fuse Rating | 4 A (time-lag) |
| Operating Temperature | -25 °C to +60 °C (-13 °F to +140 °F) |
| Dimensions | 20 mm W x 80 mm H x 70.5 mm D (0.79 in x 3.15 in x 2.78 in) |
| Weight | 0.2 kg (0.44 lb) |
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