Contact material:

• check AgNi(1)
• check AgNi+Au(1)

Relay equipment:

• check 4 - mechanical arrester + mechanical indicator(23)
• check 5 - mechanical locking + LED for AC(2)
• check 7 - mechanical locking + LED for DC + protective diode, neutral polarity, non-standard(1)
• check 54 - mechanical locking + LED for AC + mechanical indicator(2)
• check 74 - mechanical arrester + LED for DC + protective diode + mechanical indicator, neutral polarity, non-standard(1)