Relay equipment:

• check 1 - mechanical arrest(10)
• check 2 - mechanical indicator(2)
• check 3 - LED for AC(1)
• check 4 - mechanical arrester + mechanical indicator(58)
• check 5 - mechanical locking + LED for AC(11)
• check 7 - mechanical locking + LED for DC + protective diode, neutral polarity, non-standard(1)
• check 8 - LED for DC + protective diode (+ on A1/13)(1)
• check 9 - mechanical locking + LED for DC + protective diode (+ on A1/13)(7)
• check 54 - mechanical locking + LED for AC + mechanical indicator(10)
• check 74 - mechanical arrester + LED for DC + protective diode + mechanical indicator, neutral polarity, non-standard(7)
• check 94 - mechanical locking + LED for DC + protective diode (+ on A1/13) + mechanical indicator(3)