. T R E Z F SRB-NA-R-C.15, ...-C.15/1 Safety relay array for emergency stop devices, interlocking devices and others ☛3 enabling outputs and 1 monitoring output ☛Cross-short recognition Features – Relay output: 3 NO, 1 NC – NC contacts for monitoring – Housing 22.5 mm, made of (Auxiliary NC for monitoring (SRB-NA-R-C.15/1: in series) thermoplastic in accordance with must not be used in Safety (SRB-NA-R-C.15: in parallel) UL-94-V-0, red RAL 3000 Enabling Circuits!) – Input for emergency stop – DIN rail mounting – Reset, feedback loop or door monitoring DIN EN 50 022 – LED’s for K1, K2, U i Approvals Ü (SRB-NA-R-C.15) LR 13571-30 E 54284 (M) 96201 Front view 13 23 33 14 24 34 K2 SRB- UB NA-R -C.15 K1 41 X1 C 42 X2 D Product range Type Enabling outputs Operating voltage Part no. SRB-NA-R-C.15-24VDC 3 NO/1 NC 24 VDC 600 0032 SRB-NA-R-C.15-24VAC 3 NO/1 NC 24 VAC 600 0044 SRB-NA-R-C.15/1-24VDC 3 NO/1 NC 24 VDC 600 0046 SRB-NA-R-C.15/UC 3 NO/1 NC 24 VDC/VAC On request 30 R P - G B SRB-NA-R-C.15, ...-C.15/1 (continued) 2 Example for dual-channel door Wiring diagram L-(A2) L+(A1) L1 monitoring using two limit switches Open (one with positive opening contacts) and Closed external reset button. K B Reset Dual-channel output, suitable for contact **** reinforcement or contact multiplication, K A using relays or contactors with positively X1 X2 13 23 33 41 41 C * guided contacts. **** = Feedback loop F1** Wire breakage and earth leakage in the K2 K1 K1 K2 Monitoring circuits are detected. K K1 A Earth leakage at input D is detected only in mains with insulation leakage monitoring. K K2 B K1 K2 * Monitoring contacts in series at SRB-NA-R-C.15/1 D 14 24 34 42 42 ** Fuse M 0.5 A (an external leading fuse M 0.25 A K K B A is recommended) N For further examples refer to page 32/33 Model specific Operating voltage 24 VDC –15%/+20%, residual ripple max. 10% Technical data 24 VAC –15%/+6% (refer to page 157 Frequency 50/60 Hz (for AC operating) for general data) Fuse (power supply) M 0.25 A/250 V (internal M 0.5 A/250 V) Power consumption max. 2.5 VA Switching capacity (enabling contacts) 230 VAC, 6 A ohmic (inductive with suitable suppression) Fuse (enabling contacts) 6 A slow blowing Switching capacity (monitoring contacts) 24 V, 2 A ohmic (inductive with suitable suppression) Fuse (monitoring contacts) 2 A slow blowing Application category AC 15/DC 13, DIN VDE 0660 Part 200 Pick-up delay ≤ 10 ms Drop-out delay ≤ 30 ms Contact material / contacts AgSnO, self cleaning, positively driven Contact resistance max. 100 mOhm when new Air and creeping distances DIN VDE 0110-1 (04.97), 4 kV/2 Connections Self lifting screw terminals min. 0.6 qmm, max. 2.5 qmm Dimensions H/W/D 82 mm/22.5 mm/98.8 mm Weight 190 g Ambient operating temperature –25 °C ... +45 °C (derating curve page 157) 7 Mechanical life 10 switching cycles Terminal labeling DIN EN 60 445/DIN 40 719 Part 2 31 SRB-NA-R-C.15, ...-C.15/1 (continued) Wiring example: Wiring example: Input level Input level L+(A1) L-(A2) X1 L+(A1) L-(A2) X1 Single-channel emergency Dual-channel emergency stop stop switch according to switch according to EN 60 204-1. EN 60 204-1. Wire breakage and earth Wire breakage and earth leakage in the emergency leakage in the emergency stop Reset Emergency Reset Emergency stop circuits are detected. circuits are detected. switch off switch off With external reset button. Cross-shorts in the emergency stop circuits are detected. Safety category 2 in accordance with With external reset button. EN 954-1. Safety category 3 in accordance with EN 954-1. CX D 2 C D X2 Wiring example: Wiring example: Input level Input level L+(A1) L-(A2) X1 L+(A1) L-(A2) X1 Single-channel door Dual-channel door monitoring according to monitoring according to ON Open EN 1088 limit switch with EN 1088, one limit switch OFF Closed positive opening contact. with positive opening contact. Wire breakage and earth Reset Reset leakage in the door Wire breakage and earth monitoring circuits are leakage in the door detected. monitoring circuits are detected. With external reset button for increased safety Cross-shorts in the requirements. emergency stop circuits are detected. Safety category 2 in accordance with With external reset button EN 954-1. for increased safety requirements. Safety category 3 CX D 2 C DX2 in accordance with EN 954-1. 32 SRB-NA-R-C.15, ...-C.15/1 (continued) 2 Wiring example: Wiring example: Power level Power level Single-channel output. Dual-channel output. L1 L1 L1 L1 Suitable for contact Suitable for contact * * * * reinforcement or contact KA KA KB KB reinforcement or contact KA KA KB KB multiplication, using relays multiplication, using relays X1 X1 X2 X2 13 13 X1 X1 X2 X2 13 13 23 23 or contactors with or contactors with KA KA positively guided contacts. positively guided contacts. KB KB 14 14 14 14 24 24 KB KB KA KA KA KA KB KB KA KA KB KB N N N N * Reset button wired in * Reset button wired in series to feedback loop. series to feedback loop. 33