3TK2826 safety relay
Manual, 08/2007, GWA NEB 926 1579-02 DS 02
57
Technical data
12
12.1 Technical data (electrical/mechanical)
Table 12-1 Electrical data
Type 3TK2826-. ...
Regulations EN 60204-1, EN 1760-1, EN 954-1, IEC 61508
Categories in accordance with EN 954-1 4
Safety Integrity Level (SIL), in accordance with EN 61508 SIL 3
Performance Level (PL) in accordance with EN ISO 13849-1 e
Test certificates TÜV
Stop category in accordance with EN 60204-1 0 or 0/1
1)
Overvoltage category Ⅱ
Rated insulation voltage V
i
300 V
Rated impulse strength V
imp
4 kV
Rated control supply voltage V
s
24 V DC and 24 V to 240 V AC/DC
Safe isolation between enabling circuits and electronics in
accordance with IEC 60947-1, Annex N
Up to 300 V AC
Operating range 0.85 to 1.15 V
s
in the case of 3TK2826- *BB4*
0.90 to 1.10 V
s
in the case of 3TK2826- *CW3*
Rated power 3 W
Short circuit protection
• Non-floating outputs
• Relay outputs
• Outputs short-circuit-proof
• DIAZED fuses,
operating class gl/gG, 4A or 6A quick-acting
Switching frequency Max. 2000 1/h
Response time Typically 50 ms plus the defined debounce time
Release time (stop category 0) in the case of EMERGENCY
STOP
Typically 50 ms plus the defined debounce time
Release time (stop category 1) in the case of EMERGENCY
STOP
Max. 300 seconds (adjustable)
Mains buffering > 10 ms
Recovery time in the case of EMERGENCY STOP/power
failure
At least 250 ms/at least 6 seconds
Minimum EMERGENCY STOP command time 30 ms
START button command time 0.2 to 5 seconds
Setting accuracy (only for devices with stop category 0/1) typically 5%
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