Electrozad

The JSBR4 has two inputs which both have to be closed to keep the safety output contacts closed. A short circuit across the inputs will cause the output contacts to Open. The inputs can however be subjected to a continuous short circuit without damaging the safety relay.

ABB Safety Relay, Universal, Series: JSBR4, 1.3 W Power, 50/60 Hz Frequency, 115 VAC Coil, 3NO-1NC Contact Form, 4 Pole, DIN Rail Mounting, Screw Terminal, LED Display, IP20/IP40 Enclosure, -10 to 55 deg C, 74 mm L x 45 mm W x 120 mm D Dimensions

• The JSBR4 has a twin supervised safety function
• The JSBR4 operates at the highest safety level for safety relays
• Dual input channels synchronism 0.5s
• Supervised reset
• Test input
• LED indication of supply, inputs and outputs
• Quick release connector blocks
• Ag + Au flash contact material
• 5 A gL/gG fuses output
• 6 A gG conditional short circuit current
• 2.5 kV impulse withstand voltage
• 300 ohm maximum input wire resistance at nominal voltage
• Meets safety category 4

• Specification Sheet https://uat.south.electrozad.com//ASSETS/DOCUMENTS/ITEMS/EN/IDW_DOCUMENT_653e08c5c15575129bd25a6c8c9ecc014ab581abe39fabc613618a92e8169a8f.pdf