High efficiency heat sinks allow for compact size. Combined with a convenient DIN rail mount, these SSRs will fit where others won't. The LTT SSR Monitors and LTTJ Current Transformers mount conveniently on any of the single phase LTP Series SSRs. Product Highlights Zero-Crossover or Phase Angle Fired Three Phase High Efficiency Heat Sinks Easy DIN Rail Mounting 530 VAC 40 AMP Max. Load 3-32 VDC Trigger