Series-782H

Supported Applications

The Dwyer Series 782H Hermetically Sealed Ice Cube Relay is designed for switching up to four circuits in hazardous environments. The series features a hermetically sealed housing and a safety seal engineered to withstand wash-down conditions.

• Hazardous locations: Class I Division 2 Groups A, B, C, D

Operating Conditions & Performance

The Series 782H operates within an ambient temperature range of -40 to 158°F (-40 to 70°C) and supports storage temperatures from -40 to 185°F (-40 to 85°C). The unit carries a T-Code rating of T4A. Electrical connections utilize silver alloy plug-in contacts.

• Enclosure Rating: Class 1 Div II Rated
• Housing Material: Metal

Configuration Options

The series is available in AC and DC operated configurations with specific input voltages and coil resistances. A DIN socket accessory (70-782D14-1) allows for easy mounting and removal from crowded DIN rails.

AC Operated Models

• Model: 782XDXH21-120A | Input Voltage: 120 VAC 50/60 Hz | Coil Resistance: 4430 Ω

DC Operated Models

• Model: 782XDXH21-24D | Input Voltage: 24 VDC | Coil Resistance: 650 Ω

The series supports the following approvals and certifications:

• cUL, UL, cUR, UR
• CSA
• CE
• RoHS

Key Product Differences

Variants differ by input voltage type (AC or DC) and corresponding coil resistance. The model number guide follows the format 782XDXH21-[Voltage Type], such as 782XDXH21-120A for AC operation and 782XDXH21-24D for DC operation.

• Dimensions: Width 1-9/32 [32.54], Height 1-5/32 [29.36], Depth 29/32 [23.10]
• Weight: 1.6 oz (45 g)